/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 --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:00:21,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:00:21,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:00:21,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:00:21,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:00:21,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:00:21,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:00:21,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:00:21,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:00:21,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:00:21,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:00:21,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:00:21,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:00:21,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:00:21,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:00:21,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:00:21,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:00:21,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:00:21,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:00:21,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:00:21,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:00:21,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:00:21,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:00:21,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:00:21,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:00:21,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:00:21,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:00:21,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:00:21,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:00:21,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:00:21,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:00:21,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:00:21,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:00:21,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:00:21,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:00:21,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:00:21,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:00:21,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:00:21,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:00:21,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:00:21,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:00:21,919 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 [2020-07-19 21:00:21,934 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:00:21,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:00:21,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:00:21,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:00:21,936 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:00:21,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:00:21,936 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:00:21,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:00:21,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:00:21,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:00:21,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:00:21,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:00:21,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:00:21,938 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:00:21,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:00:21,938 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:00:21,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:00:21,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:00:21,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:00:21,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:00:21,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:00:21,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:00:21,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:00:21,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:00:21,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:00:21,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:00:21,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:00:21,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:00:21,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:00:21,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:00:22,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:00:22,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:00:22,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:00:22,273 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:00:22,274 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:00:22,275 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-07-19 21:00:22,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314a99459/b366b19aa0ce4f94832a25104e11b17c/FLAG38c581e61 [2020-07-19 21:00:22,846 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:00:22,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-07-19 21:00:22,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314a99459/b366b19aa0ce4f94832a25104e11b17c/FLAG38c581e61 [2020-07-19 21:00:23,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314a99459/b366b19aa0ce4f94832a25104e11b17c [2020-07-19 21:00:23,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:00:23,197 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:00:23,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:00:23,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:00:23,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:00:23,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:00:23" (1/1) ... [2020-07-19 21:00:23,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e98d2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:23, skipping insertion in model container [2020-07-19 21:00:23,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:00:23" (1/1) ... [2020-07-19 21:00:23,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:00:23,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:00:23,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:00:23,735 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:00:23,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:00:23,911 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:00:23,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:23 WrapperNode [2020-07-19 21:00:23,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:00:23,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:00:23,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:00:23,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:00:23,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:23" (1/1) ... [2020-07-19 21:00:23,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:23" (1/1) ... [2020-07-19 21:00:23,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:23" (1/1) ... [2020-07-19 21:00:23,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:23" (1/1) ... [2020-07-19 21:00:23,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:23" (1/1) ... [2020-07-19 21:00:24,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:23" (1/1) ... [2020-07-19 21:00:24,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:23" (1/1) ... [2020-07-19 21:00:24,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:00:24,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:00:24,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:00:24,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:00:24,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:23" (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 [2020-07-19 21:00:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:00:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:00:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:00:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:00:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:00:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:00:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:00:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:00:24,104 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:00:24,104 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:00:24,104 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-19 21:00:24,104 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:00:24,104 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:00:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:00:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:00:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:00:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 21:00:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:00:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-19 21:00:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:00:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:00:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:00:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:00:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:00:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:00:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 21:00:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:00:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:00:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:00:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:00:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:00:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:00:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:00:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:00:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:00:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:00:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:00:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:00:24,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:00:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:00:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:00:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:00:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:00:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:00:24,110 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:00:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:00:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:00:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:00:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 21:00:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:00:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:00:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:00:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:00:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:00:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-19 21:00:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:00:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:00:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 21:00:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-19 21:00:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:00:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:00:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:00:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:00:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:00:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:00:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:00:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:00:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:00:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:00:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:00:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:00:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:00:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:00:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:00:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:00:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:00:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:00:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:00:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:00:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:00:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:00:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:00:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:00:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:00:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:00:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:00:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:00:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:00:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:00:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:00:25,202 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:00:25,202 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:00:25,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:00:25 BoogieIcfgContainer [2020-07-19 21:00:25,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:00:25,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:00:25,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:00:25,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:00:25,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:00:23" (1/3) ... [2020-07-19 21:00:25,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449fd237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:00:25, skipping insertion in model container [2020-07-19 21:00:25,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:00:23" (2/3) ... [2020-07-19 21:00:25,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449fd237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:00:25, skipping insertion in model container [2020-07-19 21:00:25,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:00:25" (3/3) ... [2020-07-19 21:00:25,216 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2020-07-19 21:00:25,226 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:00:25,239 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:00:25,252 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:00:25,279 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:00:25,280 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:00:25,280 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:00:25,280 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:00:25,280 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:00:25,280 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:00:25,280 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:00:25,281 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:00:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-07-19 21:00:25,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 21:00:25,312 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:25,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:00:25,314 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:25,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:25,318 INFO L82 PathProgramCache]: Analyzing trace with hash 177325019, now seen corresponding path program 1 times [2020-07-19 21:00:25,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:25,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974595554] [2020-07-19 21:00:25,326 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69b81748 [2020-07-19 21:00:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:25,962 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:00:26,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974595554] [2020-07-19 21:00:26,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:26,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 21:00:26,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104664788] [2020-07-19 21:00:26,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:00:26,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:26,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:00:26,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 21:00:26,114 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 3 states. [2020-07-19 21:00:27,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:27,248 INFO L93 Difference]: Finished difference Result 287 states and 375 transitions. [2020-07-19 21:00:27,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:00:27,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-19 21:00:27,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:27,267 INFO L225 Difference]: With dead ends: 287 [2020-07-19 21:00:27,267 INFO L226 Difference]: Without dead ends: 155 [2020-07-19 21:00:27,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 21:00:27,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-19 21:00:27,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 123. [2020-07-19 21:00:27,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-19 21:00:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2020-07-19 21:00:27,361 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2020-07-19 21:00:27,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:27,361 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2020-07-19 21:00:27,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:00:27,362 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-07-19 21:00:27,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-19 21:00:27,365 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:27,366 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] [2020-07-19 21:00:27,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:00:27,366 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:27,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:27,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1842882407, now seen corresponding path program 1 times [2020-07-19 21:00:27,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:27,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971408568] [2020-07-19 21:00:27,368 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69b81748 [2020-07-19 21:00:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:27,735 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:00:27,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971408568] [2020-07-19 21:00:27,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:27,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:00:27,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330369719] [2020-07-19 21:00:27,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:00:27,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:27,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:00:27,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:00:27,786 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 4 states. [2020-07-19 21:00:28,198 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:00:28,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:28,874 INFO L93 Difference]: Finished difference Result 220 states and 266 transitions. [2020-07-19 21:00:28,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 21:00:28,875 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-19 21:00:28,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:28,877 INFO L225 Difference]: With dead ends: 220 [2020-07-19 21:00:28,878 INFO L226 Difference]: Without dead ends: 139 [2020-07-19 21:00:28,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:00:28,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-19 21:00:28,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 114. [2020-07-19 21:00:28,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-19 21:00:28,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2020-07-19 21:00:28,914 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 53 [2020-07-19 21:00:28,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:28,914 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2020-07-19 21:00:28,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:00:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2020-07-19 21:00:28,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 21:00:28,917 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:28,917 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:00:28,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:00:28,917 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:28,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:28,918 INFO L82 PathProgramCache]: Analyzing trace with hash 774651483, now seen corresponding path program 1 times [2020-07-19 21:00:28,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:28,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803981278] [2020-07-19 21:00:28,919 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69b81748 [2020-07-19 21:00:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:29,250 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:00:29,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803981278] [2020-07-19 21:00:29,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:29,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 21:00:29,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640551364] [2020-07-19 21:00:29,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:00:29,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:29,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:00:29,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:00:29,402 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 8 states. [2020-07-19 21:00:29,811 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:00:30,109 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:00:30,367 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:30,623 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:31,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:31,715 INFO L93 Difference]: Finished difference Result 229 states and 280 transitions. [2020-07-19 21:00:31,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 21:00:31,715 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-19 21:00:31,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:31,717 INFO L225 Difference]: With dead ends: 229 [2020-07-19 21:00:31,718 INFO L226 Difference]: Without dead ends: 139 [2020-07-19 21:00:31,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:00:31,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-19 21:00:31,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 114. [2020-07-19 21:00:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-19 21:00:31,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2020-07-19 21:00:31,752 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 57 [2020-07-19 21:00:31,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:31,753 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2020-07-19 21:00:31,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:00:31,753 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2020-07-19 21:00:31,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 21:00:31,755 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:31,755 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] [2020-07-19 21:00:31,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:00:31,756 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:31,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:31,756 INFO L82 PathProgramCache]: Analyzing trace with hash -771193848, now seen corresponding path program 1 times [2020-07-19 21:00:31,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:31,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327105055] [2020-07-19 21:00:31,757 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69b81748 [2020-07-19 21:00:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:32,082 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:00:32,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327105055] [2020-07-19 21:00:32,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:32,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 21:00:32,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912939995] [2020-07-19 21:00:32,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 21:00:32,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:32,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 21:00:32,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:00:32,183 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 6 states. [2020-07-19 21:00:32,535 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:00:33,631 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:00:34,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:34,227 INFO L93 Difference]: Finished difference Result 324 states and 398 transitions. [2020-07-19 21:00:34,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 21:00:34,228 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-19 21:00:34,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:34,231 INFO L225 Difference]: With dead ends: 324 [2020-07-19 21:00:34,231 INFO L226 Difference]: Without dead ends: 234 [2020-07-19 21:00:34,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:00:34,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-07-19 21:00:34,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 193. [2020-07-19 21:00:34,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-07-19 21:00:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 222 transitions. [2020-07-19 21:00:34,281 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 222 transitions. Word has length 65 [2020-07-19 21:00:34,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:34,281 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 222 transitions. [2020-07-19 21:00:34,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 21:00:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2020-07-19 21:00:34,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-19 21:00:34,283 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:34,283 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] [2020-07-19 21:00:34,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:00:34,284 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:34,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:34,284 INFO L82 PathProgramCache]: Analyzing trace with hash -913158347, now seen corresponding path program 1 times [2020-07-19 21:00:34,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:34,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357201400] [2020-07-19 21:00:34,285 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69b81748 [2020-07-19 21:00:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:34,564 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:00:34,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357201400] [2020-07-19 21:00:34,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:34,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 21:00:34,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432855648] [2020-07-19 21:00:34,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:00:34,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:34,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:00:34,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:00:34,651 INFO L87 Difference]: Start difference. First operand 193 states and 222 transitions. Second operand 8 states. [2020-07-19 21:00:35,061 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:00:36,468 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:36,754 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:37,035 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:37,266 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:00:37,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:37,868 INFO L93 Difference]: Finished difference Result 528 states and 662 transitions. [2020-07-19 21:00:37,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 21:00:37,868 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-19 21:00:37,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:37,873 INFO L225 Difference]: With dead ends: 528 [2020-07-19 21:00:37,873 INFO L226 Difference]: Without dead ends: 359 [2020-07-19 21:00:37,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:00:37,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-07-19 21:00:37,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 319. [2020-07-19 21:00:37,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-19 21:00:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 373 transitions. [2020-07-19 21:00:37,951 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 373 transitions. Word has length 79 [2020-07-19 21:00:37,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:37,952 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 373 transitions. [2020-07-19 21:00:37,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:00:37,952 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 373 transitions. [2020-07-19 21:00:37,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-19 21:00:37,954 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:37,954 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, 1] [2020-07-19 21:00:37,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:00:37,955 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:37,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:37,955 INFO L82 PathProgramCache]: Analyzing trace with hash 421166267, now seen corresponding path program 1 times [2020-07-19 21:00:37,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:37,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278776843] [2020-07-19 21:00:37,956 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69b81748 [2020-07-19 21:00:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,284 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:00:38,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278776843] [2020-07-19 21:00:38,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:38,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:00:38,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369046065] [2020-07-19 21:00:38,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:00:38,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:38,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:00:38,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:00:38,397 INFO L87 Difference]: Start difference. First operand 319 states and 373 transitions. Second operand 9 states. [2020-07-19 21:00:38,777 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:00:39,308 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:00:40,824 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:00:42,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:42,328 INFO L93 Difference]: Finished difference Result 770 states and 989 transitions. [2020-07-19 21:00:42,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 21:00:42,329 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-07-19 21:00:42,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:42,334 INFO L225 Difference]: With dead ends: 770 [2020-07-19 21:00:42,335 INFO L226 Difference]: Without dead ends: 590 [2020-07-19 21:00:42,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-07-19 21:00:42,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-07-19 21:00:42,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 524. [2020-07-19 21:00:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-07-19 21:00:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 634 transitions. [2020-07-19 21:00:42,422 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 634 transitions. Word has length 83 [2020-07-19 21:00:42,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:42,423 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 634 transitions. [2020-07-19 21:00:42,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:00:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 634 transitions. [2020-07-19 21:00:42,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-19 21:00:42,425 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:42,425 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, 1] [2020-07-19 21:00:42,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 21:00:42,425 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:42,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:42,426 INFO L82 PathProgramCache]: Analyzing trace with hash 750932028, now seen corresponding path program 1 times [2020-07-19 21:00:42,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:42,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155511050] [2020-07-19 21:00:42,427 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69b81748 [2020-07-19 21:00:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,672 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:00:42,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155511050] [2020-07-19 21:00:42,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:42,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 21:00:42,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900525873] [2020-07-19 21:00:42,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:00:42,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:42,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:00:42,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:00:42,801 INFO L87 Difference]: Start difference. First operand 524 states and 634 transitions. Second operand 8 states. [2020-07-19 21:00:43,996 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:44,237 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:44,495 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:45,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:45,371 INFO L93 Difference]: Finished difference Result 947 states and 1187 transitions. [2020-07-19 21:00:45,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 21:00:45,374 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-07-19 21:00:45,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:45,378 INFO L225 Difference]: With dead ends: 947 [2020-07-19 21:00:45,378 INFO L226 Difference]: Without dead ends: 566 [2020-07-19 21:00:45,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:00:45,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-07-19 21:00:45,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 524. [2020-07-19 21:00:45,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-07-19 21:00:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 633 transitions. [2020-07-19 21:00:45,476 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 633 transitions. Word has length 83 [2020-07-19 21:00:45,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:45,477 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 633 transitions. [2020-07-19 21:00:45,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:00:45,477 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 633 transitions. [2020-07-19 21:00:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-19 21:00:45,479 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:45,479 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, 1] [2020-07-19 21:00:45,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 21:00:45,480 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:45,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:45,480 INFO L82 PathProgramCache]: Analyzing trace with hash 678545470, now seen corresponding path program 1 times [2020-07-19 21:00:45,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:45,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130105138] [2020-07-19 21:00:45,481 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69b81748 [2020-07-19 21:00:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,774 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:00:45,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130105138] [2020-07-19 21:00:45,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:45,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 21:00:45,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022462917] [2020-07-19 21:00:45,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:00:45,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:45,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:00:45,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:00:45,988 INFO L87 Difference]: Start difference. First operand 524 states and 633 transitions. Second operand 12 states. [2020-07-19 21:00:46,771 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:46,999 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:00:47,229 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:00:47,850 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:00:48,087 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:00:48,345 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:48,581 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:49,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:49,606 INFO L93 Difference]: Finished difference Result 1071 states and 1335 transitions. [2020-07-19 21:00:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-19 21:00:49,606 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2020-07-19 21:00:49,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:49,610 INFO L225 Difference]: With dead ends: 1071 [2020-07-19 21:00:49,611 INFO L226 Difference]: Without dead ends: 571 [2020-07-19 21:00:49,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-07-19 21:00:49,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-07-19 21:00:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 531. [2020-07-19 21:00:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-07-19 21:00:49,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 640 transitions. [2020-07-19 21:00:49,738 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 640 transitions. Word has length 83 [2020-07-19 21:00:49,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:49,738 INFO L479 AbstractCegarLoop]: Abstraction has 531 states and 640 transitions. [2020-07-19 21:00:49,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:00:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 640 transitions. [2020-07-19 21:00:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-19 21:00:49,741 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:49,741 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] [2020-07-19 21:00:49,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 21:00:49,741 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:49,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:49,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1174041569, now seen corresponding path program 1 times [2020-07-19 21:00:49,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:49,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146850296] [2020-07-19 21:00:49,743 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69b81748 [2020-07-19 21:00:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:49,989 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:00:50,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146850296] [2020-07-19 21:00:50,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450017410] [2020-07-19 21:00:50,209 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69b81748 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 [2020-07-19 21:00:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:50,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 29 conjunts are in the unsatisfiable core [2020-07-19 21:00:50,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:00:50,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:00:50,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:00:50,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 17 [2020-07-19 21:00:50,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427772235] [2020-07-19 21:00:50,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:00:50,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:50,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:00:50,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-07-19 21:00:50,541 INFO L87 Difference]: Start difference. First operand 531 states and 640 transitions. Second operand 8 states. [2020-07-19 21:00:51,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:51,045 INFO L93 Difference]: Finished difference Result 1508 states and 1860 transitions. [2020-07-19 21:00:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 21:00:51,046 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-07-19 21:00:51,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:51,053 INFO L225 Difference]: With dead ends: 1508 [2020-07-19 21:00:51,053 INFO L226 Difference]: Without dead ends: 1001 [2020-07-19 21:00:51,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-07-19 21:00:51,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-07-19 21:00:51,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 998. [2020-07-19 21:00:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 998 states. [2020-07-19 21:00:51,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1205 transitions. [2020-07-19 21:00:51,252 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1205 transitions. Word has length 95 [2020-07-19 21:00:51,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:51,253 INFO L479 AbstractCegarLoop]: Abstraction has 998 states and 1205 transitions. [2020-07-19 21:00:51,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:00:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1205 transitions. [2020-07-19 21:00:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-19 21:00:51,255 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:51,255 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] [2020-07-19 21:00:51,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 21:00:51,469 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:51,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:51,470 INFO L82 PathProgramCache]: Analyzing trace with hash 175480453, now seen corresponding path program 1 times [2020-07-19 21:00:51,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:51,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438136050] [2020-07-19 21:00:51,472 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69b81748 [2020-07-19 21:00:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,794 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:51,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:00:51,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438136050] [2020-07-19 21:00:51,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:51,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-19 21:00:51,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382189489] [2020-07-19 21:00:51,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-19 21:00:51,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:51,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-19 21:00:51,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:00:51,954 INFO L87 Difference]: Start difference. First operand 998 states and 1205 transitions. Second operand 14 states. [2020-07-19 21:00:52,603 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:52,896 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:00:53,155 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:00:53,723 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:00:54,445 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:00:54,820 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:55,397 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:55,680 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:00:55,958 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:00:57,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:00:57,251 INFO L93 Difference]: Finished difference Result 2050 states and 2603 transitions. [2020-07-19 21:00:57,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-19 21:00:57,252 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 99 [2020-07-19 21:00:57,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:00:57,261 INFO L225 Difference]: With dead ends: 2050 [2020-07-19 21:00:57,261 INFO L226 Difference]: Without dead ends: 1076 [2020-07-19 21:00:57,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2020-07-19 21:00:57,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2020-07-19 21:00:57,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 914. [2020-07-19 21:00:57,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2020-07-19 21:00:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1085 transitions. [2020-07-19 21:00:57,480 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1085 transitions. Word has length 99 [2020-07-19 21:00:57,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:00:57,482 INFO L479 AbstractCegarLoop]: Abstraction has 914 states and 1085 transitions. [2020-07-19 21:00:57,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-19 21:00:57,482 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1085 transitions. [2020-07-19 21:00:57,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-19 21:00:57,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:00:57,486 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] [2020-07-19 21:00:57,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-19 21:00:57,487 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:00:57,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:00:57,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1676429373, now seen corresponding path program 1 times [2020-07-19 21:00:57,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:00:57,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903471428] [2020-07-19 21:00:57,488 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@69b81748 [2020-07-19 21:00:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,798 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:00:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:00:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:00:57,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903471428] [2020-07-19 21:00:57,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:00:57,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-19 21:00:57,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393650589] [2020-07-19 21:00:57,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-19 21:00:57,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:00:57,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-19 21:00:57,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:00:57,953 INFO L87 Difference]: Start difference. First operand 914 states and 1085 transitions. Second operand 13 states. [2020-07-19 21:00:58,791 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:00:59,142 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:00:59,444 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:01:00,518 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:01:01,036 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:01:01,380 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:01:01,670 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:01:02,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:01:02,401 INFO L93 Difference]: Finished difference Result 1575 states and 1874 transitions. [2020-07-19 21:01:02,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:01:02,401 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 99 [2020-07-19 21:01:02,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:01:02,402 INFO L225 Difference]: With dead ends: 1575 [2020-07-19 21:01:02,403 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:01:02,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2020-07-19 21:01:02,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:01:02,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:01:02,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:01:02,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:01:02,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2020-07-19 21:01:02,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:01:02,410 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:01:02,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-19 21:01:02,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:01:02,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:01:02,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-19 21:01:02,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:01:03,668 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 248 [2020-07-19 21:01:05,460 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 242 [2020-07-19 21:01:05,867 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 248 [2020-07-19 21:01:07,495 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 242 [2020-07-19 21:01:08,536 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-19 21:01:09,715 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 162 DAG size of output: 31 [2020-07-19 21:01:10,233 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 39 [2020-07-19 21:01:10,411 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 21:01:10,601 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 21:01:10,763 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-19 21:01:11,394 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 33 [2020-07-19 21:01:12,481 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 170 DAG size of output: 39 [2020-07-19 21:01:13,087 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-07-19 21:01:13,286 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-07-19 21:01:13,472 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 21:01:14,089 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 30 [2020-07-19 21:01:14,592 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 38 [2020-07-19 21:01:14,785 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 21:01:15,000 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:01:15,193 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 21:01:15,769 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 39 [2020-07-19 21:01:16,016 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2020-07-19 21:01:17,334 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 174 DAG size of output: 37 [2020-07-19 21:01:17,506 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-19 21:01:17,703 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-19 21:01:18,895 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-07-19 21:01:19,086 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-07-19 21:01:19,258 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 21:01:20,140 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-19 21:01:20,421 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 21:01:21,490 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-07-19 21:01:21,669 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 21:01:21,781 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2020-07-19 21:01:22,368 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 19 [2020-07-19 21:01:23,263 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-07-19 21:01:23,452 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 21:01:23,625 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 21:01:24,556 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 34 [2020-07-19 21:01:25,408 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-07-19 21:01:26,425 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 173 DAG size of output: 43 [2020-07-19 21:01:26,589 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 21:01:26,777 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 21:01:27,207 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 38 [2020-07-19 21:01:27,379 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-07-19 21:01:28,207 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-19 21:01:28,385 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 21:01:28,573 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 21:01:28,580 INFO L268 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-07-19 21:01:28,580 INFO L268 CegarLoopResult]: For program point L635-1(lines 635 639) no Hoare annotation was computed. [2020-07-19 21:01:28,581 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-07-19 21:01:28,581 INFO L268 CegarLoopResult]: For program point L629-2(lines 629 650) no Hoare annotation was computed. [2020-07-19 21:01:28,581 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 604 659) no Hoare annotation was computed. [2020-07-19 21:01:28,581 INFO L268 CegarLoopResult]: For program point L651(lines 628 652) no Hoare annotation was computed. [2020-07-19 21:01:28,581 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 604 659) no Hoare annotation was computed. [2020-07-19 21:01:28,582 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 604 659) no Hoare annotation was computed. [2020-07-19 21:01:28,582 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-07-19 21:01:28,582 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-07-19 21:01:28,582 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 660 719) no Hoare annotation was computed. [2020-07-19 21:01:28,582 INFO L268 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2020-07-19 21:01:28,583 INFO L268 CegarLoopResult]: For program point L692-1(lines 692 696) no Hoare annotation was computed. [2020-07-19 21:01:28,583 INFO L268 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2020-07-19 21:01:28,583 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 660 719) no Hoare annotation was computed. [2020-07-19 21:01:28,583 INFO L268 CegarLoopResult]: For program point L686-2(lines 686 711) no Hoare annotation was computed. [2020-07-19 21:01:28,583 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 660 719) no Hoare annotation was computed. [2020-07-19 21:01:28,583 INFO L268 CegarLoopResult]: For program point L712(lines 685 713) no Hoare annotation was computed. [2020-07-19 21:01:28,584 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-19 21:01:28,584 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-19 21:01:28,584 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-19 21:01:28,584 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-19 21:01:28,584 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-19 21:01:28,585 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:01:28,585 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (and (= 1 main_~tmp~5) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:01:28,585 INFO L264 CegarLoopResult]: At program point L540-1(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (and (= 1 main_~tmp~5) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:01:28,585 INFO L268 CegarLoopResult]: For program point L538(lines 538 545) no Hoare annotation was computed. [2020-07-19 21:01:28,585 INFO L268 CegarLoopResult]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2020-07-19 21:01:28,585 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2020-07-19 21:01:28,586 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-19 21:01:28,586 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:01:28,586 INFO L264 CegarLoopResult]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:01:28,586 INFO L264 CegarLoopResult]: At program point L534-1(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:01:28,586 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2020-07-19 21:01:28,586 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 487 510) no Hoare annotation was computed. [2020-07-19 21:01:28,587 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 487 510) no Hoare annotation was computed. [2020-07-19 21:01:28,587 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 487 510) no Hoare annotation was computed. [2020-07-19 21:01:28,587 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-19 21:01:28,587 INFO L268 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-07-19 21:01:28,587 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-19 21:01:28,587 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-19 21:01:28,587 INFO L268 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-07-19 21:01:28,587 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-19 21:01:28,588 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-19 21:01:28,588 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-19 21:01:28,588 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-19 21:01:28,588 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 21:01:28,588 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-07-19 21:01:28,588 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-19 21:01:28,588 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-19 21:01:28,588 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-19 21:01:28,589 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2020-07-19 21:01:28,589 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2020-07-19 21:01:28,589 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2020-07-19 21:01:28,589 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-07-19 21:01:28,589 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 229) no Hoare annotation was computed. [2020-07-19 21:01:28,589 INFO L268 CegarLoopResult]: For program point L209(lines 209 217) no Hoare annotation was computed. [2020-07-19 21:01:28,589 INFO L268 CegarLoopResult]: For program point L209-2(lines 209 217) no Hoare annotation was computed. [2020-07-19 21:01:28,589 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 202 237) no Hoare annotation was computed. [2020-07-19 21:01:28,589 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-19 21:01:28,590 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-07-19 21:01:28,590 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2020-07-19 21:01:28,590 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2020-07-19 21:01:28,590 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-19 21:01:28,590 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-19 21:01:28,590 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 558 603) no Hoare annotation was computed. [2020-07-19 21:01:28,590 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 558 603) no Hoare annotation was computed. [2020-07-19 21:01:28,590 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 558 603) no Hoare annotation was computed. [2020-07-19 21:01:28,591 INFO L268 CegarLoopResult]: For program point L891(lines 891 898) no Hoare annotation was computed. [2020-07-19 21:01:28,591 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 871 916) no Hoare annotation was computed. [2020-07-19 21:01:28,591 INFO L268 CegarLoopResult]: For program point L885(lines 885 905) no Hoare annotation was computed. [2020-07-19 21:01:28,591 INFO L268 CegarLoopResult]: For program point L885-1(lines 885 905) no Hoare annotation was computed. [2020-07-19 21:01:28,591 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 871 916) no Hoare annotation was computed. [2020-07-19 21:01:28,591 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 871 916) no Hoare annotation was computed. [2020-07-19 21:01:28,591 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:01:28,592 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2020-07-19 21:01:28,592 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2020-07-19 21:01:28,592 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2020-07-19 21:01:28,592 INFO L271 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: true [2020-07-19 21:01:28,592 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2020-07-19 21:01:28,592 INFO L268 CegarLoopResult]: For program point L187-1(line 187) no Hoare annotation was computed. [2020-07-19 21:01:28,592 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2020-07-19 21:01:28,592 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 174 181) no Hoare annotation was computed. [2020-07-19 21:01:28,593 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2020-07-19 21:01:28,593 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2020-07-19 21:01:28,593 INFO L268 CegarLoopResult]: For program point L445(lines 445 451) no Hoare annotation was computed. [2020-07-19 21:01:28,593 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2020-07-19 21:01:28,593 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2020-07-19 21:01:28,593 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2020-07-19 21:01:28,593 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (let ((.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse0 .cse7 .cse4) (or .cse7 .cse6 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-19 21:01:28,594 INFO L268 CegarLoopResult]: For program point L129-1(line 129) no Hoare annotation was computed. [2020-07-19 21:01:28,594 INFO L268 CegarLoopResult]: For program point L127(lines 127 144) no Hoare annotation was computed. [2020-07-19 21:01:28,594 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2020-07-19 21:01:28,594 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (let ((.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse7 .cse8 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse7 .cse8 .cse6 .cse4))) [2020-07-19 21:01:28,594 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse6 .cse7 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse6 .cse7 .cse4 .cse3))) [2020-07-19 21:01:28,594 INFO L268 CegarLoopResult]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2020-07-19 21:01:28,595 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4) (or .cse6 .cse2 .cse4) (or .cse5 .cse1 .cse7 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse1 .cse2 .cse7 .cse4))) [2020-07-19 21:01:28,595 INFO L264 CegarLoopResult]: At program point L133(line 133) the Hoare annotation is: (let ((.cse3 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and (not (= 0 processEnvironment_~tmp~0)) (= 0 ~pumpRunning~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse0 .cse6 .cse4) (or .cse6 .cse5 .cse4) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse2 .cse5 .cse4))) [2020-07-19 21:01:28,595 INFO L268 CegarLoopResult]: For program point L131(lines 131 139) no Hoare annotation was computed. [2020-07-19 21:01:28,595 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2020-07-19 21:01:28,595 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2020-07-19 21:01:28,596 INFO L264 CegarLoopResult]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:01:28,596 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse5 .cse1 .cse4) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse6) (not (= 1 |old(~waterLevel~0)|)) (not .cse4))) [2020-07-19 21:01:28,596 INFO L264 CegarLoopResult]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse5 .cse1 .cse4) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse6) (not (= 1 |old(~waterLevel~0)|)) (not .cse4))) [2020-07-19 21:01:28,596 INFO L268 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-07-19 21:01:28,596 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2020-07-19 21:01:28,596 INFO L268 CegarLoopResult]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2020-07-19 21:01:28,596 INFO L268 CegarLoopResult]: For program point L273(lines 273 277) no Hoare annotation was computed. [2020-07-19 21:01:28,597 INFO L264 CegarLoopResult]: At program point L317(lines 270 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:01:28,597 INFO L268 CegarLoopResult]: For program point L307(lines 307 311) no Hoare annotation was computed. [2020-07-19 21:01:28,597 INFO L264 CegarLoopResult]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse8 .cse0 .cse1 .cse4) (and .cse7 .cse0 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse8 .cse0 .cse5 .cse1 .cse4) (not .cse4))) [2020-07-19 21:01:28,597 INFO L268 CegarLoopResult]: For program point L272(lines 271 316) no Hoare annotation was computed. [2020-07-19 21:01:28,597 INFO L268 CegarLoopResult]: For program point L301(lines 301 312) no Hoare annotation was computed. [2020-07-19 21:01:28,597 INFO L264 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse8 .cse0 .cse1 .cse4) (and .cse7 .cse0 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse8 .cse0 .cse5 .cse1 .cse4) (not .cse4))) [2020-07-19 21:01:28,597 INFO L268 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-07-19 21:01:28,597 INFO L268 CegarLoopResult]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2020-07-19 21:01:28,598 INFO L268 CegarLoopResult]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2020-07-19 21:01:28,598 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 825 870) no Hoare annotation was computed. [2020-07-19 21:01:28,598 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 825 870) no Hoare annotation was computed. [2020-07-19 21:01:28,598 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 825 870) no Hoare annotation was computed. [2020-07-19 21:01:28,598 INFO L268 CegarLoopResult]: For program point L845(lines 845 852) no Hoare annotation was computed. [2020-07-19 21:01:28,598 INFO L268 CegarLoopResult]: For program point L839(lines 839 859) no Hoare annotation was computed. [2020-07-19 21:01:28,598 INFO L268 CegarLoopResult]: For program point L839-1(lines 839 859) no Hoare annotation was computed. [2020-07-19 21:01:28,598 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-19 21:01:28,599 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2020-07-19 21:01:28,599 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2020-07-19 21:01:28,599 INFO L268 CegarLoopResult]: For program point L417(lines 417 425) no Hoare annotation was computed. [2020-07-19 21:01:28,599 INFO L268 CegarLoopResult]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2020-07-19 21:01:28,599 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2020-07-19 21:01:28,599 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2020-07-19 21:01:28,599 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2020-07-19 21:01:28,599 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-19 21:01:28,599 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-19 21:01:28,600 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-19 21:01:28,600 INFO L268 CegarLoopResult]: For program point L768(lines 768 809) no Hoare annotation was computed. [2020-07-19 21:01:28,600 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 722 824) no Hoare annotation was computed. [2020-07-19 21:01:28,600 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-19 21:01:28,600 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-07-19 21:01:28,600 INFO L268 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-07-19 21:01:28,600 INFO L268 CegarLoopResult]: For program point L810(lines 810 821) no Hoare annotation was computed. [2020-07-19 21:01:28,600 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 722 824) no Hoare annotation was computed. [2020-07-19 21:01:28,600 INFO L268 CegarLoopResult]: For program point L773(lines 773 777) no Hoare annotation was computed. [2020-07-19 21:01:28,601 INFO L268 CegarLoopResult]: For program point L771-2(lines 771 791) no Hoare annotation was computed. [2020-07-19 21:01:28,601 INFO L268 CegarLoopResult]: For program point L792(lines 770 793) no Hoare annotation was computed. [2020-07-19 21:01:28,601 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 722 824) no Hoare annotation was computed. [2020-07-19 21:01:28,601 INFO L268 CegarLoopResult]: For program point L751(lines 751 767) no Hoare annotation was computed. [2020-07-19 21:01:28,601 INFO L268 CegarLoopResult]: For program point L811(lines 811 818) no Hoare annotation was computed. [2020-07-19 21:01:28,601 INFO L268 CegarLoopResult]: For program point L772(lines 771 791) no Hoare annotation was computed. [2020-07-19 21:01:28,601 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-19 21:01:28,601 INFO L268 CegarLoopResult]: For program point L803-1(line 803) no Hoare annotation was computed. [2020-07-19 21:01:28,601 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:01:28,602 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 21:01:28,602 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:01:28,602 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-07-19 21:01:28,602 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2020-07-19 21:01:28,603 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-19 21:01:28,603 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0))) (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse7 (and (= ~methaneLevelCritical~0 activatePump_~tmp~1) .cse2)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse7 .cse4) (or .cse1 .cse6 .cse3 .cse7 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4)))) [2020-07-19 21:01:28,603 INFO L268 CegarLoopResult]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2020-07-19 21:01:28,603 INFO L268 CegarLoopResult]: For program point L164(lines 164 170) no Hoare annotation was computed. [2020-07-19 21:01:28,603 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-19 21:01:28,603 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2020-07-19 21:01:28,603 INFO L268 CegarLoopResult]: For program point L247(lines 247 251) no Hoare annotation was computed. [2020-07-19 21:01:28,604 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2020-07-19 21:01:28,604 INFO L271 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: true [2020-07-19 21:01:28,604 INFO L268 CegarLoopResult]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2020-07-19 21:01:28,604 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2020-07-19 21:01:28,604 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-19 21:01:28,604 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2020-07-19 21:01:28,604 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2020-07-19 21:01:28,604 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2020-07-19 21:01:28,605 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse1 .cse7 .cse6 .cse2 .cse4) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse5 .cse4))) [2020-07-19 21:01:28,605 INFO L268 CegarLoopResult]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2020-07-19 21:01:28,605 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2020-07-19 21:01:28,605 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:01:28,605 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:01:28,605 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:01:28,605 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2020-07-19 21:01:28,605 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2020-07-19 21:01:28,605 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2020-07-19 21:01:28,606 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse0 .cse5 .cse6 .cse3) (or .cse5 .cse4 .cse6 .cse3) (or .cse1 .cse4 .cse7 .cse3) (or .cse0 .cse1 .cse7 .cse3))) [2020-07-19 21:01:28,606 INFO L268 CegarLoopResult]: For program point L95(lines 94 113) no Hoare annotation was computed. [2020-07-19 21:01:28,606 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse10 (= 0 ~pumpRunning~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse10 .cse11)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and .cse10 (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse4) (or .cse1 .cse8 .cse9 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse8 .cse9 .cse6 .cse4) (or .cse1 .cse5 .cse2 .cse7 .cse4)))) [2020-07-19 21:01:28,606 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2020-07-19 21:01:28,606 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse5 .cse8 .cse6 .cse9 .cse4) (or .cse5 .cse8 .cse6 .cse7 .cse4) (or .cse5 .cse6 .cse2 .cse9 .cse4) (or .cse8 .cse10 .cse1 .cse4) (or .cse0 .cse8 .cse1 .cse3 .cse4) (or .cse1 .cse10 .cse2 .cse4))) [2020-07-19 21:01:28,607 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2020-07-19 21:01:28,607 INFO L264 CegarLoopResult]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (<= 1 ~pumpRunning~0))) (let ((.cse0 (and .cse14 .cse13)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (and (= 0 ~pumpRunning~0) .cse14)) (.cse10 (and (= 1 ~waterLevel~0) .cse13)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse9 .cse10 .cse1 .cse11 .cse4) (or .cse8 .cse9 .cse0 .cse1 .cse3 .cse4) (or .cse8 .cse10 .cse1 .cse2 .cse11 .cse4) (or .cse9 .cse12 .cse6 .cse4) (or .cse5 .cse9 .cse6 .cse7 .cse4) (or .cse6 .cse12 .cse2 .cse4)))) [2020-07-19 21:01:28,607 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2020-07-19 21:01:28,607 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-19 21:01:28,607 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2020-07-19 21:01:28,607 INFO L268 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-07-19 21:01:28,607 INFO L271 CegarLoopResult]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2020-07-19 21:01:28,608 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-07-19 21:01:28,608 INFO L271 CegarLoopResult]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2020-07-19 21:01:28,608 INFO L271 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: true [2020-07-19 21:01:28,608 INFO L268 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-07-19 21:01:28,608 INFO L271 CegarLoopResult]: At program point L482(lines 457 486) the Hoare annotation is: true [2020-07-19 21:01:28,608 INFO L264 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2) (or .cse0 .cse5 .cse1 .cse2) (or .cse5 .cse4 .cse1 .cse2))) [2020-07-19 21:01:28,608 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2020-07-19 21:01:28,608 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-07-19 21:01:28,609 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2020-07-19 21:01:28,609 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~waterLevel~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse0 .cse4 .cse1 .cse2) (or .cse4 .cse5 .cse3 .cse2) (or .cse4 .cse5 .cse1 .cse2))) [2020-07-19 21:01:28,609 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-07-19 21:01:28,609 INFO L268 CegarLoopResult]: For program point L343(lines 343 356) no Hoare annotation was computed. [2020-07-19 21:01:28,609 INFO L268 CegarLoopResult]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2020-07-19 21:01:28,609 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2))) [2020-07-19 21:01:28,609 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-19 21:01:28,610 INFO L268 CegarLoopResult]: For program point L337(lines 337 357) no Hoare annotation was computed. [2020-07-19 21:01:28,610 INFO L271 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: true [2020-07-19 21:01:28,610 INFO L268 CegarLoopResult]: For program point L335-1(line 335) no Hoare annotation was computed. [2020-07-19 21:01:28,610 INFO L268 CegarLoopResult]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2020-07-19 21:01:28,610 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-19 21:01:28,610 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2020-07-19 21:01:28,610 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2020-07-19 21:01:28,611 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2020-07-19 21:01:28,611 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:01:28,611 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)) [2020-07-19 21:01:28,611 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:01:28,611 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:01:28,611 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2020-07-19 21:01:28,611 INFO L268 CegarLoopResult]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2020-07-19 21:01:28,611 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse5 .cse1 .cse3 .cse2 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse0 .cse6 .cse7 .cse4))) [2020-07-19 21:01:28,611 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2020-07-19 21:01:28,612 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2020-07-19 21:01:28,612 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2020-07-19 21:01:28,612 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2020-07-19 21:01:28,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:01:28 BoogieIcfgContainer [2020-07-19 21:01:28,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:01:28,633 INFO L168 Benchmark]: Toolchain (without parser) took 65438.05 ms. Allocated memory was 145.2 MB in the beginning and 802.7 MB in the end (delta: 657.5 MB). Free memory was 101.6 MB in the beginning and 162.0 MB in the end (delta: -60.5 MB). Peak memory consumption was 683.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:01:28,633 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 21:01:28,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.68 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 101.1 MB in the beginning and 169.7 MB in the end (delta: -68.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-07-19 21:01:28,634 INFO L168 Benchmark]: Boogie Preprocessor took 119.57 ms. Allocated memory is still 201.9 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:01:28,635 INFO L168 Benchmark]: RCFGBuilder took 1174.86 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 165.6 MB in the beginning and 197.4 MB in the end (delta: -31.8 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-07-19 21:01:28,636 INFO L168 Benchmark]: TraceAbstraction took 63422.04 ms. Allocated memory was 235.4 MB in the beginning and 802.7 MB in the end (delta: 567.3 MB). Free memory was 197.4 MB in the beginning and 162.0 MB in the end (delta: 35.4 MB). Peak memory consumption was 688.8 MB. Max. memory is 7.1 GB. [2020-07-19 21:01:28,638 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.68 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 101.1 MB in the beginning and 169.7 MB in the end (delta: -68.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.57 ms. Allocated memory is still 201.9 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1174.86 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 165.6 MB in the beginning and 197.4 MB in the end (delta: -31.8 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 63422.04 ms. Allocated memory was 235.4 MB in the beginning and 802.7 MB in the end (delta: 567.3 MB). Free memory was 197.4 MB in the beginning and 162.0 MB in the end (delta: 35.4 MB). Peak memory consumption was 688.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 271]: Loop Invariant Derived loop invariant: ((((((((((((0 == splverifierCounter && \old(methaneLevelCritical) == methaneLevelCritical) && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == waterLevel) && 1 == systemActive) || (((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == waterLevel) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && 1 <= pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.1s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 30.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 26.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1409 SDtfs, 2453 SDslu, 2225 SDs, 0 SdLazy, 7581 SolverSat, 1552 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 534 GetRequests, 383 SyntacticMatches, 1 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=998occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 476 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1829 PreInvPairs, 1925 NumberOfFragments, 2787 HoareAnnotationTreeSize, 1829 FomulaSimplifications, 7074050 FormulaSimplificationTreeSizeReduction, 5.2s HoareSimplificationTime, 56 FomulaSimplificationsInter, 304536 FormulaSimplificationTreeSizeReductionInter, 20.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 943 NumberOfCodeBlocks, 943 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 931 ConstructedInterpolants, 0 QuantifiedInterpolants, 295256 SizeOfPredicates, 6 NumberOfNonLiveVariables, 752 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 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...