/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:41:49,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:41:49,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:41:49,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:41:49,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:41:49,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:41:49,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:41:49,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:41:49,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:41:49,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:41:49,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:41:49,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:41:49,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:41:49,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:41:49,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:41:49,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:41:49,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:41:49,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:41:49,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:41:49,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:41:49,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:41:49,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:41:49,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:41:49,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:41:49,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:41:49,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:41:49,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:41:49,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:41:49,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:41:49,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:41:49,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:41:49,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:41:49,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:41:49,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:41:49,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:41:49,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:41:49,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:41:49,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:41:49,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:41:49,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:41:49,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:41:49,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 10:41:49,975 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:41:49,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:41:49,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:41:49,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:41:49,980 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:41:49,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:41:49,980 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:41:49,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:41:49,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:41:49,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:41:49,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:41:49,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:41:49,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:41:49,981 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:41:49,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:41:49,981 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:41:49,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:41:49,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:41:49,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:41:49,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:41:49,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:41:49,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:41:49,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:41:49,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:41:49,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:41:49,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:41:49,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:41:49,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:41:49,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:41:49,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:41:50,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:41:50,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:41:50,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:41:50,281 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:41:50,282 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:41:50,282 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-07 10:41:50,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56787fafb/9ee615ba2f6c46bca207394383618982/FLAGbbb998620 [2020-07-07 10:41:50,930 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:41:50,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-07 10:41:50,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56787fafb/9ee615ba2f6c46bca207394383618982/FLAGbbb998620 [2020-07-07 10:41:51,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56787fafb/9ee615ba2f6c46bca207394383618982 [2020-07-07 10:41:51,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:41:51,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:41:51,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:41:51,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:41:51,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:41:51,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:41:51" (1/1) ... [2020-07-07 10:41:51,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dbfec79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:51, skipping insertion in model container [2020-07-07 10:41:51,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:41:51" (1/1) ... [2020-07-07 10:41:51,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:41:51,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:41:51,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:41:51,851 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:41:51,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:41:51,979 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:41:51,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:51 WrapperNode [2020-07-07 10:41:51,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:41:51,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:41:51,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:41:51,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:41:51,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:51" (1/1) ... [2020-07-07 10:41:51,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:51" (1/1) ... [2020-07-07 10:41:52,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:51" (1/1) ... [2020-07-07 10:41:52,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:51" (1/1) ... [2020-07-07 10:41:52,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:51" (1/1) ... [2020-07-07 10:41:52,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:51" (1/1) ... [2020-07-07 10:41:52,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:51" (1/1) ... [2020-07-07 10:41:52,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:41:52,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:41:52,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:41:52,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:41:52,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:41:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:41:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:41:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:41:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:41:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:41:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:41:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:41:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:41:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:41:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:41:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:41:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:41:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:41:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:41:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:41:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:41:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:41:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:41:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:41:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:41:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:41:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:41:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:41:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:41:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:41:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:41:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:41:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:41:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:41:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:41:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:41:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:41:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:41:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:41:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:41:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:41:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:41:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:41:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:41:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:41:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:41:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:41:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:41:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:41:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:41:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:41:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:41:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:41:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:41:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:41:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:41:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:41:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:41:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:41:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:41:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:41:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:41:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:41:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:41:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:41:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:41:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:41:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:41:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:41:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:41:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:41:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:41:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:41:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:41:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:41:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:41:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:41:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:41:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:41:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:41:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:41:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:41:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:41:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:41:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:41:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:41:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:41:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:41:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:41:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:41:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:41:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:41:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:41:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:41:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:41:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:41:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:41:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:41:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:41:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:41:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:41:53,219 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:41:53,219 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:41:53,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:41:53 BoogieIcfgContainer [2020-07-07 10:41:53,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:41:53,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:41:53,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:41:53,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:41:53,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:41:51" (1/3) ... [2020-07-07 10:41:53,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7d9ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:41:53, skipping insertion in model container [2020-07-07 10:41:53,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:51" (2/3) ... [2020-07-07 10:41:53,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7d9ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:41:53, skipping insertion in model container [2020-07-07 10:41:53,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:41:53" (3/3) ... [2020-07-07 10:41:53,233 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-07-07 10:41:53,244 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:41:53,252 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:41:53,266 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:41:53,291 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:41:53,291 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:41:53,291 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:41:53,292 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:41:53,292 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:41:53,292 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:41:53,292 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:41:53,292 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:41:53,316 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-07 10:41:53,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:41:53,327 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:53,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:41:53,332 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:53,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:53,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1292486909, now seen corresponding path program 1 times [2020-07-07 10:41:53,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:53,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646300081] [2020-07-07 10:41:53,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,046 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:54,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:54,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646300081] [2020-07-07 10:41:54,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:54,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:41:54,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083081130] [2020-07-07 10:41:54,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:41:54,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:54,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:41:54,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:41:54,185 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 4 states. [2020-07-07 10:41:55,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:55,352 INFO L93 Difference]: Finished difference Result 311 states and 408 transitions. [2020-07-07 10:41:55,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:41:55,354 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-07 10:41:55,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:55,369 INFO L225 Difference]: With dead ends: 311 [2020-07-07 10:41:55,369 INFO L226 Difference]: Without dead ends: 174 [2020-07-07 10:41:55,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:41:55,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-07-07 10:41:55,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 138. [2020-07-07 10:41:55,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-07 10:41:55,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2020-07-07 10:41:55,465 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 51 [2020-07-07 10:41:55,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:55,465 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2020-07-07 10:41:55,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:41:55,466 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2020-07-07 10:41:55,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:41:55,469 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:55,470 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:41:55,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:41:55,470 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:55,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:55,471 INFO L82 PathProgramCache]: Analyzing trace with hash -11798802, now seen corresponding path program 1 times [2020-07-07 10:41:55,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:55,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38321818] [2020-07-07 10:41:55,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:55,824 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:55,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:55,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38321818] [2020-07-07 10:41:55,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:55,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:41:55,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229581732] [2020-07-07 10:41:55,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:41:55,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:55,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:41:55,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:41:55,898 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 5 states. [2020-07-07 10:41:56,368 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:41:57,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:57,317 INFO L93 Difference]: Finished difference Result 246 states and 307 transitions. [2020-07-07 10:41:57,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:41:57,318 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-07 10:41:57,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:57,322 INFO L225 Difference]: With dead ends: 246 [2020-07-07 10:41:57,322 INFO L226 Difference]: Without dead ends: 164 [2020-07-07 10:41:57,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:41:57,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-07 10:41:57,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 129. [2020-07-07 10:41:57,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-07 10:41:57,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2020-07-07 10:41:57,366 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 52 [2020-07-07 10:41:57,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:57,366 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2020-07-07 10:41:57,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:41:57,367 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2020-07-07 10:41:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:41:57,369 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:57,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:41:57,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:41:57,370 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:57,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:57,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1490469892, now seen corresponding path program 1 times [2020-07-07 10:41:57,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:57,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025647446] [2020-07-07 10:41:57,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,731 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:57,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025647446] [2020-07-07 10:41:57,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:57,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:41:57,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354232366] [2020-07-07 10:41:57,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:41:57,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:57,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:41:57,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:41:57,817 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 9 states. [2020-07-07 10:41:58,248 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:41:58,538 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:58,788 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:59,029 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:59,839 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:01,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:01,727 INFO L93 Difference]: Finished difference Result 439 states and 556 transitions. [2020-07-07 10:42:01,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:42:01,727 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-07 10:42:01,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:01,733 INFO L225 Difference]: With dead ends: 439 [2020-07-07 10:42:01,733 INFO L226 Difference]: Without dead ends: 338 [2020-07-07 10:42:01,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:42:01,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-07-07 10:42:01,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 269. [2020-07-07 10:42:01,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-07-07 10:42:01,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 328 transitions. [2020-07-07 10:42:01,811 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 328 transitions. Word has length 57 [2020-07-07 10:42:01,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:01,811 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 328 transitions. [2020-07-07 10:42:01,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:42:01,811 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 328 transitions. [2020-07-07 10:42:01,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-07 10:42:01,814 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:01,815 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] [2020-07-07 10:42:01,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:42:01,815 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:01,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:01,815 INFO L82 PathProgramCache]: Analyzing trace with hash -512554003, now seen corresponding path program 1 times [2020-07-07 10:42:01,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:01,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679594909] [2020-07-07 10:42:01,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:02,110 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:02,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679594909] [2020-07-07 10:42:02,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:02,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:42:02,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8668418] [2020-07-07 10:42:02,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:42:02,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:02,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:42:02,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:42:02,218 INFO L87 Difference]: Start difference. First operand 269 states and 328 transitions. Second operand 9 states. [2020-07-07 10:42:02,713 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:03,835 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:04,267 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:04,523 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:04,818 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:06,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:06,293 INFO L93 Difference]: Finished difference Result 864 states and 1152 transitions. [2020-07-07 10:42:06,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-07 10:42:06,293 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-07-07 10:42:06,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:06,300 INFO L225 Difference]: With dead ends: 864 [2020-07-07 10:42:06,300 INFO L226 Difference]: Without dead ends: 623 [2020-07-07 10:42:06,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:42:06,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-07-07 10:42:06,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 486. [2020-07-07 10:42:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-07-07 10:42:06,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 596 transitions. [2020-07-07 10:42:06,427 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 596 transitions. Word has length 62 [2020-07-07 10:42:06,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:06,428 INFO L479 AbstractCegarLoop]: Abstraction has 486 states and 596 transitions. [2020-07-07 10:42:06,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:42:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 596 transitions. [2020-07-07 10:42:06,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-07 10:42:06,431 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:06,431 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] [2020-07-07 10:42:06,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:42:06,432 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:06,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:06,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1361940215, now seen corresponding path program 1 times [2020-07-07 10:42:06,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:06,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153663459] [2020-07-07 10:42:06,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,748 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:06,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153663459] [2020-07-07 10:42:06,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:06,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:06,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124739240] [2020-07-07 10:42:06,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:06,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:06,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:06,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:06,886 INFO L87 Difference]: Start difference. First operand 486 states and 596 transitions. Second operand 10 states. [2020-07-07 10:42:07,351 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:08,458 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:08,740 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:09,014 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:09,712 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:11,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:11,094 INFO L93 Difference]: Finished difference Result 1373 states and 1890 transitions. [2020-07-07 10:42:11,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-07 10:42:11,095 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-07-07 10:42:11,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:11,103 INFO L225 Difference]: With dead ends: 1373 [2020-07-07 10:42:11,103 INFO L226 Difference]: Without dead ends: 915 [2020-07-07 10:42:11,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-07-07 10:42:11,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-07-07 10:42:11,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 709. [2020-07-07 10:42:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-07-07 10:42:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 863 transitions. [2020-07-07 10:42:11,265 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 863 transitions. Word has length 66 [2020-07-07 10:42:11,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:11,265 INFO L479 AbstractCegarLoop]: Abstraction has 709 states and 863 transitions. [2020-07-07 10:42:11,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:11,265 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 863 transitions. [2020-07-07 10:42:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:42:11,268 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:11,268 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, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:11,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:42:11,268 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:11,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:11,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1572074791, now seen corresponding path program 1 times [2020-07-07 10:42:11,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:11,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464830088] [2020-07-07 10:42:11,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,535 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:11,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464830088] [2020-07-07 10:42:11,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:11,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:11,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259730415] [2020-07-07 10:42:11,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:11,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:11,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:11,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:11,725 INFO L87 Difference]: Start difference. First operand 709 states and 863 transitions. Second operand 10 states. [2020-07-07 10:42:12,347 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:13,464 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:13,716 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:42:13,982 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:14,252 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:16,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:16,116 INFO L93 Difference]: Finished difference Result 2413 states and 3450 transitions. [2020-07-07 10:42:16,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:42:16,117 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-07-07 10:42:16,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:16,138 INFO L225 Difference]: With dead ends: 2413 [2020-07-07 10:42:16,139 INFO L226 Difference]: Without dead ends: 1732 [2020-07-07 10:42:16,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-07-07 10:42:16,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2020-07-07 10:42:16,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1279. [2020-07-07 10:42:16,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2020-07-07 10:42:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1554 transitions. [2020-07-07 10:42:16,568 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1554 transitions. Word has length 89 [2020-07-07 10:42:16,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:16,568 INFO L479 AbstractCegarLoop]: Abstraction has 1279 states and 1554 transitions. [2020-07-07 10:42:16,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1554 transitions. [2020-07-07 10:42:16,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:42:16,574 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:16,574 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, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:16,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:42:16,575 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:16,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:16,575 INFO L82 PathProgramCache]: Analyzing trace with hash -153406106, now seen corresponding path program 1 times [2020-07-07 10:42:16,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:16,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674764491] [2020-07-07 10:42:16,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:16,874 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:17,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674764491] [2020-07-07 10:42:17,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:17,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:17,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046439146] [2020-07-07 10:42:17,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:17,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:17,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:17,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:17,079 INFO L87 Difference]: Start difference. First operand 1279 states and 1554 transitions. Second operand 10 states. [2020-07-07 10:42:18,576 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:18,834 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:42:19,114 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:19,353 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:20,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:20,608 INFO L93 Difference]: Finished difference Result 2983 states and 3988 transitions. [2020-07-07 10:42:20,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:42:20,608 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-07-07 10:42:20,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:20,620 INFO L225 Difference]: With dead ends: 2983 [2020-07-07 10:42:20,621 INFO L226 Difference]: Without dead ends: 1732 [2020-07-07 10:42:20,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:42:20,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2020-07-07 10:42:20,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1319. [2020-07-07 10:42:20,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1319 states. [2020-07-07 10:42:20,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1594 transitions. [2020-07-07 10:42:20,897 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1594 transitions. Word has length 89 [2020-07-07 10:42:20,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:20,897 INFO L479 AbstractCegarLoop]: Abstraction has 1319 states and 1594 transitions. [2020-07-07 10:42:20,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:20,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1594 transitions. [2020-07-07 10:42:20,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:42:20,901 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:20,901 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, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:20,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:42:20,901 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:20,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:20,902 INFO L82 PathProgramCache]: Analyzing trace with hash 548193768, now seen corresponding path program 1 times [2020-07-07 10:42:20,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:20,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008692555] [2020-07-07 10:42:20,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,162 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:21,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008692555] [2020-07-07 10:42:21,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:21,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:42:21,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589644309] [2020-07-07 10:42:21,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:42:21,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:21,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:42:21,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:42:21,379 INFO L87 Difference]: Start difference. First operand 1319 states and 1594 transitions. Second operand 12 states. [2020-07-07 10:42:21,984 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:22,239 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:22,457 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:23,278 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:23,536 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:23,769 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:24,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:24,903 INFO L93 Difference]: Finished difference Result 2667 states and 3530 transitions. [2020-07-07 10:42:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:42:24,904 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-07 10:42:24,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:24,913 INFO L225 Difference]: With dead ends: 2667 [2020-07-07 10:42:24,913 INFO L226 Difference]: Without dead ends: 1376 [2020-07-07 10:42:24,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:42:24,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2020-07-07 10:42:25,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1087. [2020-07-07 10:42:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1087 states. [2020-07-07 10:42:25,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1282 transitions. [2020-07-07 10:42:25,120 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1282 transitions. Word has length 89 [2020-07-07 10:42:25,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:25,121 INFO L479 AbstractCegarLoop]: Abstraction has 1087 states and 1282 transitions. [2020-07-07 10:42:25,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:42:25,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1282 transitions. [2020-07-07 10:42:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:42:25,124 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:25,124 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:25,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:42:25,124 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:25,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:25,125 INFO L82 PathProgramCache]: Analyzing trace with hash 81932175, now seen corresponding path program 1 times [2020-07-07 10:42:25,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:25,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270621707] [2020-07-07 10:42:25,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,376 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:25,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270621707] [2020-07-07 10:42:25,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:25,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:42:25,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320015384] [2020-07-07 10:42:25,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:25,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:25,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:25,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:42:25,524 INFO L87 Difference]: Start difference. First operand 1087 states and 1282 transitions. Second operand 8 states. [2020-07-07 10:42:26,047 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:28,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:28,547 INFO L93 Difference]: Finished difference Result 2185 states and 2908 transitions. [2020-07-07 10:42:28,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-07 10:42:28,548 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-07-07 10:42:28,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:28,561 INFO L225 Difference]: With dead ends: 2185 [2020-07-07 10:42:28,561 INFO L226 Difference]: Without dead ends: 2182 [2020-07-07 10:42:28,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-07-07 10:42:28,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2182 states. [2020-07-07 10:42:28,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2182 to 1684. [2020-07-07 10:42:28,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2020-07-07 10:42:28,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2013 transitions. [2020-07-07 10:42:28,937 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2013 transitions. Word has length 93 [2020-07-07 10:42:28,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:28,938 INFO L479 AbstractCegarLoop]: Abstraction has 1684 states and 2013 transitions. [2020-07-07 10:42:28,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:28,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2013 transitions. [2020-07-07 10:42:28,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-07 10:42:28,945 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:28,945 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:28,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:42:28,946 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:28,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:28,946 INFO L82 PathProgramCache]: Analyzing trace with hash 688265763, now seen corresponding path program 1 times [2020-07-07 10:42:28,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:28,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541306747] [2020-07-07 10:42:28,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,254 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,626 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-07 10:42:29,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541306747] [2020-07-07 10:42:29,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93223387] [2020-07-07 10:42:29,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:29,856 INFO L264 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:42:29,870 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:30,138 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-07 10:42:30,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:42:30,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-07 10:42:30,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551990274] [2020-07-07 10:42:30,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:30,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:30,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:30,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:42:30,142 INFO L87 Difference]: Start difference. First operand 1684 states and 2013 transitions. Second operand 8 states. [2020-07-07 10:42:31,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:31,068 INFO L93 Difference]: Finished difference Result 3296 states and 3986 transitions. [2020-07-07 10:42:31,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:42:31,069 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-07-07 10:42:31,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:31,078 INFO L225 Difference]: With dead ends: 3296 [2020-07-07 10:42:31,079 INFO L226 Difference]: Without dead ends: 1640 [2020-07-07 10:42:31,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 189 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:42:31,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2020-07-07 10:42:31,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1640. [2020-07-07 10:42:31,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1640 states. [2020-07-07 10:42:31,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 1931 transitions. [2020-07-07 10:42:31,515 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 1931 transitions. Word has length 152 [2020-07-07 10:42:31,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:31,516 INFO L479 AbstractCegarLoop]: Abstraction has 1640 states and 1931 transitions. [2020-07-07 10:42:31,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:31,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 1931 transitions. [2020-07-07 10:42:31,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-07 10:42:31,523 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:31,524 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:31,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:42:31,739 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:31,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:31,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1018775150, now seen corresponding path program 1 times [2020-07-07 10:42:31,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:31,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194418216] [2020-07-07 10:42:31,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,196 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,399 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-07 10:42:32,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194418216] [2020-07-07 10:42:32,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827398315] [2020-07-07 10:42:32,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:32,614 INFO L264 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-07 10:42:32,621 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-07 10:42:32,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:42:32,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2020-07-07 10:42:32,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086149633] [2020-07-07 10:42:32,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:42:32,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:32,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:42:32,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:42:32,666 INFO L87 Difference]: Start difference. First operand 1640 states and 1931 transitions. Second operand 3 states. [2020-07-07 10:42:33,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:33,441 INFO L93 Difference]: Finished difference Result 3736 states and 4531 transitions. [2020-07-07 10:42:33,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:42:33,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2020-07-07 10:42:33,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:33,457 INFO L225 Difference]: With dead ends: 3736 [2020-07-07 10:42:33,458 INFO L226 Difference]: Without dead ends: 2448 [2020-07-07 10:42:33,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 199 SyntacticMatches, 6 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:42:33,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2448 states. [2020-07-07 10:42:34,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2448 to 2422. [2020-07-07 10:42:34,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2422 states. [2020-07-07 10:42:34,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2422 states and 2804 transitions. [2020-07-07 10:42:34,126 INFO L78 Accepts]: Start accepts. Automaton has 2422 states and 2804 transitions. Word has length 156 [2020-07-07 10:42:34,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:34,127 INFO L479 AbstractCegarLoop]: Abstraction has 2422 states and 2804 transitions. [2020-07-07 10:42:34,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:42:34,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 2804 transitions. [2020-07-07 10:42:34,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-07 10:42:34,135 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:34,136 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:34,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:34,350 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:34,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:34,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1034293868, now seen corresponding path program 1 times [2020-07-07 10:42:34,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:34,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979493937] [2020-07-07 10:42:34,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,693 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-07 10:42:34,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979493937] [2020-07-07 10:42:34,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805763212] [2020-07-07 10:42:34,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:35,160 INFO L264 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-07 10:42:35,165 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:35,289 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-07 10:42:35,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:42:35,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7] total 19 [2020-07-07 10:42:35,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108743328] [2020-07-07 10:42:35,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 10:42:35,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:35,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 10:42:35,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:42:35,292 INFO L87 Difference]: Start difference. First operand 2422 states and 2804 transitions. Second operand 19 states. [2020-07-07 10:42:35,918 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:36,255 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:36,522 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:36,768 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:37,400 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:37,665 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:38,169 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:40,203 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:41,858 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:49,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:49,652 INFO L93 Difference]: Finished difference Result 7481 states and 10761 transitions. [2020-07-07 10:42:49,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2020-07-07 10:42:49,659 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 156 [2020-07-07 10:42:49,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:49,692 INFO L225 Difference]: With dead ends: 7481 [2020-07-07 10:42:49,692 INFO L226 Difference]: Without dead ends: 5399 [2020-07-07 10:42:49,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 263 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3561 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1524, Invalid=8778, Unknown=0, NotChecked=0, Total=10302 [2020-07-07 10:42:49,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states. [2020-07-07 10:42:50,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 2478. [2020-07-07 10:42:50,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2478 states. [2020-07-07 10:42:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2478 states and 2755 transitions. [2020-07-07 10:42:50,322 INFO L78 Accepts]: Start accepts. Automaton has 2478 states and 2755 transitions. Word has length 156 [2020-07-07 10:42:50,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:50,323 INFO L479 AbstractCegarLoop]: Abstraction has 2478 states and 2755 transitions. [2020-07-07 10:42:50,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 10:42:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2478 states and 2755 transitions. [2020-07-07 10:42:50,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-07 10:42:50,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:50,331 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:50,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-07 10:42:50,546 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:50,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:50,547 INFO L82 PathProgramCache]: Analyzing trace with hash -630512924, now seen corresponding path program 1 times [2020-07-07 10:42:50,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:50,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287515858] [2020-07-07 10:42:50,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,827 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-07-07 10:42:51,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287515858] [2020-07-07 10:42:51,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754065641] [2020-07-07 10:42:51,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,213 INFO L264 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-07 10:42:51,222 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-07 10:42:51,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:42:51,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2020-07-07 10:42:51,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402422170] [2020-07-07 10:42:51,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:42:51,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:51,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:42:51,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:51,261 INFO L87 Difference]: Start difference. First operand 2478 states and 2755 transitions. Second operand 3 states. [2020-07-07 10:42:51,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:51,744 INFO L93 Difference]: Finished difference Result 3817 states and 4270 transitions. [2020-07-07 10:42:51,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:42:51,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-07-07 10:42:51,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:51,746 INFO L225 Difference]: With dead ends: 3817 [2020-07-07 10:42:51,747 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:42:51,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:51,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:42:51,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:42:51,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:42:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:42:51,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-07-07 10:42:51,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:51,756 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:42:51,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:42:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:42:51,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:42:51,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:51,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:42:53,526 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 227 [2020-07-07 10:42:53,962 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 228 [2020-07-07 10:42:54,072 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 195 [2020-07-07 10:42:54,346 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-07-07 10:42:54,455 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 33 [2020-07-07 10:42:54,699 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 206 [2020-07-07 10:42:54,806 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 211 [2020-07-07 10:42:55,373 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 204 [2020-07-07 10:42:58,245 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 484 DAG size of output: 432 [2020-07-07 10:43:01,307 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 594 DAG size of output: 536 [2020-07-07 10:43:03,399 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 497 DAG size of output: 456 [2020-07-07 10:43:06,986 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 469 DAG size of output: 409 [2020-07-07 10:43:09,114 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 480 DAG size of output: 419 [2020-07-07 10:43:12,674 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 433 DAG size of output: 384 [2020-07-07 10:43:13,699 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 188 DAG size of output: 32 [2020-07-07 10:43:13,904 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-07-07 10:43:14,670 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 32 [2020-07-07 10:43:14,875 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-07-07 10:43:15,071 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-07-07 10:43:15,269 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-07-07 10:43:16,026 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2020-07-07 10:43:19,588 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 321 DAG size of output: 68 [2020-07-07 10:43:20,633 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 204 DAG size of output: 39 [2020-07-07 10:43:21,662 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 177 DAG size of output: 33 [2020-07-07 10:43:23,487 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 229 DAG size of output: 39 [2020-07-07 10:43:25,039 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 205 DAG size of output: 27 [2020-07-07 10:43:27,311 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 375 DAG size of output: 49 [2020-07-07 10:43:27,547 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:27,735 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-07-07 10:43:27,933 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-07-07 10:43:29,362 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 231 DAG size of output: 43 [2020-07-07 10:43:29,565 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-07 10:43:30,863 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 208 DAG size of output: 35 [2020-07-07 10:43:35,343 WARN L193 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 480 DAG size of output: 49 [2020-07-07 10:43:35,904 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-07 10:43:36,102 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-07-07 10:43:36,729 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 30 [2020-07-07 10:43:38,029 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 214 DAG size of output: 33 [2020-07-07 10:43:38,770 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2020-07-07 10:43:42,073 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 403 DAG size of output: 53 [2020-07-07 10:43:42,605 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 22 [2020-07-07 10:43:43,066 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 30 [2020-07-07 10:43:43,244 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-07-07 10:43:43,950 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 38 [2020-07-07 10:43:44,127 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:43:44,319 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-07-07 10:43:46,010 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 218 DAG size of output: 49 [2020-07-07 10:43:46,225 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 31 [2020-07-07 10:43:46,437 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 31 [2020-07-07 10:43:51,742 WARN L193 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 357 DAG size of output: 44 [2020-07-07 10:43:52,636 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 34 [2020-07-07 10:43:52,816 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-07-07 10:43:53,483 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 31 [2020-07-07 10:43:53,663 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-07-07 10:43:53,861 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-07-07 10:43:54,507 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 34 [2020-07-07 10:43:54,721 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 1 [2020-07-07 10:43:54,974 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2020-07-07 10:43:57,144 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 362 DAG size of output: 49 [2020-07-07 10:43:57,619 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 31 [2020-07-07 10:43:57,825 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:43:58,393 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 23 [2020-07-07 10:43:59,833 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 248 DAG size of output: 39 [2020-07-07 10:44:01,703 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 229 DAG size of output: 39 [2020-07-07 10:44:06,137 WARN L193 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 328 DAG size of output: 40 [2020-07-07 10:44:06,143 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-07-07 10:44:06,143 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2020-07-07 10:44:06,143 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-07 10:44:06,143 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 557) no Hoare annotation was computed. [2020-07-07 10:44:06,144 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 511 566) no Hoare annotation was computed. [2020-07-07 10:44:06,144 INFO L268 CegarLoopResult]: For program point L558(lines 535 559) no Hoare annotation was computed. [2020-07-07 10:44:06,144 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 511 566) no Hoare annotation was computed. [2020-07-07 10:44:06,144 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 511 566) no Hoare annotation was computed. [2020-07-07 10:44:06,144 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-07-07 10:44:06,145 INFO L268 CegarLoopResult]: For program point L599-1(lines 599 603) no Hoare annotation was computed. [2020-07-07 10:44:06,145 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 567 626) no Hoare annotation was computed. [2020-07-07 10:44:06,145 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-07 10:44:06,145 INFO L268 CegarLoopResult]: For program point L593-2(lines 593 618) no Hoare annotation was computed. [2020-07-07 10:44:06,145 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 567 626) no Hoare annotation was computed. [2020-07-07 10:44:06,146 INFO L268 CegarLoopResult]: For program point L619(lines 592 620) no Hoare annotation was computed. [2020-07-07 10:44:06,146 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 567 626) no Hoare annotation was computed. [2020-07-07 10:44:06,146 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-07-07 10:44:06,146 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-07-07 10:44:06,146 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 952 958) the Hoare annotation is: true [2020-07-07 10:44:06,146 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 952 958) no Hoare annotation was computed. [2020-07-07 10:44:06,146 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 959 967) no Hoare annotation was computed. [2020-07-07 10:44:06,147 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 959 967) the Hoare annotation is: true [2020-07-07 10:44:06,147 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 959 967) no Hoare annotation was computed. [2020-07-07 10:44:06,147 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 910 932) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:44:06,147 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:44:06,147 INFO L264 CegarLoopResult]: At program point L922-1(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:44:06,148 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 910 932) no Hoare annotation was computed. [2020-07-07 10:44:06,148 INFO L268 CegarLoopResult]: For program point L920(lines 920 927) no Hoare annotation was computed. [2020-07-07 10:44:06,148 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 927) no Hoare annotation was computed. [2020-07-07 10:44:06,148 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-07-07 10:44:06,148 INFO L264 CegarLoopResult]: At program point L917(line 917) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:44:06,148 INFO L264 CegarLoopResult]: At program point L916(line 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:44:06,149 INFO L264 CegarLoopResult]: At program point L916-1(line 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:44:06,149 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 910 932) no Hoare annotation was computed. [2020-07-07 10:44:06,149 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 865 888) no Hoare annotation was computed. [2020-07-07 10:44:06,149 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 865 888) no Hoare annotation was computed. [2020-07-07 10:44:06,149 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 865 888) no Hoare annotation was computed. [2020-07-07 10:44:06,149 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-07-07 10:44:06,149 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-07 10:44:06,149 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-07-07 10:44:06,150 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-07 10:44:06,150 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-07-07 10:44:06,150 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-07-07 10:44:06,150 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-07 10:44:06,150 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-07-07 10:44:06,150 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-07-07 10:44:06,150 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-07-07 10:44:06,150 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-07-07 10:44:06,150 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-07-07 10:44:06,151 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-07-07 10:44:06,151 INFO L268 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-07-07 10:44:06,151 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 435 449) no Hoare annotation was computed. [2020-07-07 10:44:06,151 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse6 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse3 .cse6) (or .cse0 .cse7 .cse1 .cse2) (or .cse7 .cse4 .cse5 .cse1 .cse6))) [2020-07-07 10:44:06,151 INFO L268 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2020-07-07 10:44:06,151 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 435 449) the Hoare annotation is: (let ((.cse9 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and .cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= 0 |old(~systemActive~0)|)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (and .cse9 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse8) (or .cse1 .cse5 .cse6 .cse2 .cse8) (or .cse0 .cse2 .cse3 .cse7 .cse4)))) [2020-07-07 10:44:06,151 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 435 449) no Hoare annotation was computed. [2020-07-07 10:44:06,151 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2020-07-07 10:44:06,151 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2020-07-07 10:44:06,152 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 371 379) no Hoare annotation was computed. [2020-07-07 10:44:06,152 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2020-07-07 10:44:06,152 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-07 10:44:06,152 INFO L268 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2020-07-07 10:44:06,152 INFO L268 CegarLoopResult]: For program point L399(lines 399 407) no Hoare annotation was computed. [2020-07-07 10:44:06,152 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 380 415) no Hoare annotation was computed. [2020-07-07 10:44:06,152 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 407) no Hoare annotation was computed. [2020-07-07 10:44:06,152 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 380 415) no Hoare annotation was computed. [2020-07-07 10:44:06,152 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-07-07 10:44:06,153 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 380 415) no Hoare annotation was computed. [2020-07-07 10:44:06,153 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 945 951) no Hoare annotation was computed. [2020-07-07 10:44:06,153 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 945 951) the Hoare annotation is: true [2020-07-07 10:44:06,153 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 465 510) no Hoare annotation was computed. [2020-07-07 10:44:06,153 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 465 510) no Hoare annotation was computed. [2020-07-07 10:44:06,153 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 465 510) no Hoare annotation was computed. [2020-07-07 10:44:06,153 INFO L268 CegarLoopResult]: For program point L798(lines 798 805) no Hoare annotation was computed. [2020-07-07 10:44:06,153 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 778 823) no Hoare annotation was computed. [2020-07-07 10:44:06,153 INFO L268 CegarLoopResult]: For program point L792(lines 792 812) no Hoare annotation was computed. [2020-07-07 10:44:06,154 INFO L268 CegarLoopResult]: For program point L792-1(lines 792 812) no Hoare annotation was computed. [2020-07-07 10:44:06,154 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 778 823) no Hoare annotation was computed. [2020-07-07 10:44:06,154 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 778 823) no Hoare annotation was computed. [2020-07-07 10:44:06,154 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 896 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:44:06,154 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 896 906) no Hoare annotation was computed. [2020-07-07 10:44:06,154 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 896 906) no Hoare annotation was computed. [2020-07-07 10:44:06,154 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:44:06,154 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 360 370) the Hoare annotation is: true [2020-07-07 10:44:06,155 INFO L271 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: true [2020-07-07 10:44:06,155 INFO L268 CegarLoopResult]: For program point L365-1(line 365) no Hoare annotation was computed. [2020-07-07 10:44:06,155 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 360 370) no Hoare annotation was computed. [2020-07-07 10:44:06,155 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 360 370) no Hoare annotation was computed. [2020-07-07 10:44:06,155 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse0 .cse3))) [2020-07-07 10:44:06,155 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2020-07-07 10:44:06,155 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2020-07-07 10:44:06,155 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-07-07 10:44:06,155 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 167 180) no Hoare annotation was computed. [2020-07-07 10:44:06,156 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 167 180) the Hoare annotation is: true [2020-07-07 10:44:06,156 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 167 180) no Hoare annotation was computed. [2020-07-07 10:44:06,156 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 319 343) no Hoare annotation was computed. [2020-07-07 10:44:06,156 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 319 343) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= ~waterLevel~0 1))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse5 .cse3 .cse4) (or .cse6 .cse7 .cse8 .cse5 .cse9 .cse4) (or .cse6 .cse0 .cse7 .cse8 .cse9 .cse4))) [2020-07-07 10:44:06,156 INFO L264 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse7 .cse3) (or .cse4 .cse8 .cse5 .cse6 .cse7 .cse3) (or .cse8 .cse0 .cse2 .cse3))) [2020-07-07 10:44:06,156 INFO L268 CegarLoopResult]: For program point L338-1(lines 319 343) no Hoare annotation was computed. [2020-07-07 10:44:06,156 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse3) (or .cse4 .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3))) [2020-07-07 10:44:06,157 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (and .cse1 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3)) .cse0 .cse3 .cse4) (or .cse6 .cse7 .cse8 .cse2 .cse4) (or .cse6 .cse5 .cse7 .cse8 .cse4))) [2020-07-07 10:44:06,157 INFO L268 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2020-07-07 10:44:06,157 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= ~waterLevel~0 1))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse5 .cse3 .cse4) (or .cse6 .cse7 .cse8 .cse5 .cse4) (or .cse6 .cse0 .cse7 .cse8 .cse4))) [2020-07-07 10:44:06,157 INFO L268 CegarLoopResult]: For program point L325-1(line 325) no Hoare annotation was computed. [2020-07-07 10:44:06,157 INFO L268 CegarLoopResult]: For program point L323(lines 323 340) no Hoare annotation was computed. [2020-07-07 10:44:06,157 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 285 291) no Hoare annotation was computed. [2020-07-07 10:44:06,157 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 285 291) the Hoare annotation is: true [2020-07-07 10:44:06,158 INFO L264 CegarLoopResult]: At program point testENTRY(lines 186 253) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:44:06,158 INFO L268 CegarLoopResult]: For program point testFINAL(lines 186 253) no Hoare annotation was computed. [2020-07-07 10:44:06,158 INFO L264 CegarLoopResult]: At program point L246(lines 195 247) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:44:06,158 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (<= ~waterLevel~0 2)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse3 .cse1 .cse4 (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse5 .cse2 .cse4 .cse6) (and .cse3 .cse1 .cse5 .cse4 .cse6))) [2020-07-07 10:44:06,158 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-07-07 10:44:06,158 INFO L264 CegarLoopResult]: At program point L234-1(lines 226 241) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3 .cse5 .cse6) (not (= 1 |old(~systemActive~0)|)) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse5) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse8 .cse3 .cse5 .cse6) (and .cse1 .cse8 .cse2 .cse3 .cse4))) [2020-07-07 10:44:06,159 INFO L268 CegarLoopResult]: For program point L197(lines 196 245) no Hoare annotation was computed. [2020-07-07 10:44:06,159 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse4 .cse1 .cse5 .cse2 .cse6) (and .cse4 .cse0 .cse1 .cse2 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse5 .cse2 .cse3))) [2020-07-07 10:44:06,159 INFO L268 CegarLoopResult]: For program point L226(lines 226 241) no Hoare annotation was computed. [2020-07-07 10:44:06,159 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse7 (= 1 ~systemActive~0)) (.cse8 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse0 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse7 .cse8) (not (= 1 |old(~waterLevel~0)|)) (and .cse2 .cse6 .cse4 .cse7 .cse8))) [2020-07-07 10:44:06,159 INFO L268 CegarLoopResult]: For program point L216(lines 216 222) no Hoare annotation was computed. [2020-07-07 10:44:06,159 INFO L268 CegarLoopResult]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2020-07-07 10:44:06,160 INFO L264 CegarLoopResult]: At program point L243(lines 196 245) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse8 (= 0 ~systemActive~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse1 .cse6 .cse0 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse0 .cse3 .cse5 .cse7) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse0 .cse6 .cse8 .cse3 .cse4) (and .cse1 .cse0 .cse2 .cse8 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse5 .cse7))) [2020-07-07 10:44:06,160 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse8 (= 0 ~systemActive~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse1 .cse6 .cse0 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse0 .cse3 .cse5 .cse7) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse0 .cse6 .cse8 .cse3 .cse4) (and .cse1 .cse0 .cse2 .cse8 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse5 .cse7))) [2020-07-07 10:44:06,160 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-07 10:44:06,160 INFO L268 CegarLoopResult]: For program point L206-1(lines 206 212) no Hoare annotation was computed. [2020-07-07 10:44:06,160 INFO L268 CegarLoopResult]: For program point L198(lines 198 202) no Hoare annotation was computed. [2020-07-07 10:44:06,160 INFO L268 CegarLoopResult]: For program point testEXIT(lines 186 253) no Hoare annotation was computed. [2020-07-07 10:44:06,160 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 732 777) no Hoare annotation was computed. [2020-07-07 10:44:06,161 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 732 777) no Hoare annotation was computed. [2020-07-07 10:44:06,161 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 732 777) no Hoare annotation was computed. [2020-07-07 10:44:06,161 INFO L268 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-07-07 10:44:06,161 INFO L268 CegarLoopResult]: For program point L746(lines 746 766) no Hoare annotation was computed. [2020-07-07 10:44:06,161 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 766) no Hoare annotation was computed. [2020-07-07 10:44:06,161 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-07 10:44:06,161 INFO L268 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2020-07-07 10:44:06,161 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (let ((.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse5 (not (= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse10 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse9 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 .cse6 .cse7 .cse5) (or .cse0 .cse8 .cse7 .cse9 .cse5) (or .cse2 .cse3 .cse6 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse7 .cse5) (or .cse2 .cse10 .cse6 .cse7) (or .cse6 .cse8 .cse4 .cse5) (or .cse6 .cse8 .cse7 .cse5) (or .cse0 .cse2 .cse10 .cse7 .cse9))) [2020-07-07 10:44:06,162 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-07-07 10:44:06,162 INFO L268 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2020-07-07 10:44:06,162 INFO L268 CegarLoopResult]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2020-07-07 10:44:06,162 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (let ((.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse10 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse9 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse6 .cse7 .cse5) (or .cse0 .cse8 .cse7 .cse9 .cse5) (or .cse6 .cse8 .cse7 .cse9 .cse5) (or .cse2 .cse10 .cse6 .cse7 .cse9) (or .cse0 .cse1 .cse2 .cse3 .cse7 .cse5) (or .cse6 .cse8 .cse4 .cse9 .cse5) (or .cse0 .cse2 .cse10 .cse7 .cse9))) [2020-07-07 10:44:06,162 INFO L268 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed. [2020-07-07 10:44:06,162 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse10 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse9 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse6 .cse7 .cse5) (or .cse0 .cse8 .cse7 .cse9 .cse5) (or .cse6 .cse8 .cse7 .cse9 .cse5) (or .cse2 .cse10 .cse6 .cse7 .cse9) (or .cse0 .cse1 .cse2 .cse3 .cse7 .cse5) (or .cse6 .cse8 .cse4 .cse9 .cse5) (or .cse0 .cse2 .cse10 .cse7 .cse9))) [2020-07-07 10:44:06,162 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2020-07-07 10:44:06,163 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse6 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse0 .cse7 .cse6 .cse4) (or .cse1 .cse8 .cse5 .cse6) (or .cse5 .cse7 .cse3 .cse4) (or .cse0 .cse1 .cse8 .cse6) (or .cse5 .cse7 .cse6 .cse4))) [2020-07-07 10:44:06,163 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 1 ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:44:06,163 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-07 10:44:06,163 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-07 10:44:06,163 INFO L268 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-07-07 10:44:06,163 INFO L268 CegarLoopResult]: For program point L143-2(lines 143 151) no Hoare annotation was computed. [2020-07-07 10:44:06,163 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 135 157) no Hoare annotation was computed. [2020-07-07 10:44:06,163 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 135 157) no Hoare annotation was computed. [2020-07-07 10:44:06,163 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 135 157) no Hoare annotation was computed. [2020-07-07 10:44:06,163 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 629 731) no Hoare annotation was computed. [2020-07-07 10:44:06,163 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-07-07 10:44:06,164 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-07-07 10:44:06,164 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-07-07 10:44:06,164 INFO L268 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-07-07 10:44:06,164 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-07-07 10:44:06,164 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 629 731) no Hoare annotation was computed. [2020-07-07 10:44:06,164 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 698) no Hoare annotation was computed. [2020-07-07 10:44:06,164 INFO L268 CegarLoopResult]: For program point L699(lines 677 700) no Hoare annotation was computed. [2020-07-07 10:44:06,164 INFO L268 CegarLoopResult]: For program point L658(lines 658 674) no Hoare annotation was computed. [2020-07-07 10:44:06,164 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 629 731) no Hoare annotation was computed. [2020-07-07 10:44:06,164 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-07-07 10:44:06,164 INFO L268 CegarLoopResult]: For program point L679(lines 678 698) no Hoare annotation was computed. [2020-07-07 10:44:06,164 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-07-07 10:44:06,165 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-07-07 10:44:06,165 INFO L268 CegarLoopResult]: For program point L675(lines 675 716) no Hoare annotation was computed. [2020-07-07 10:44:06,165 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 935 944) no Hoare annotation was computed. [2020-07-07 10:44:06,165 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 935 944) no Hoare annotation was computed. [2020-07-07 10:44:06,165 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 935 944) no Hoare annotation was computed. [2020-07-07 10:44:06,165 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:44:06,165 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2020-07-07 10:44:06,166 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:44:06,166 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 344 351) no Hoare annotation was computed. [2020-07-07 10:44:06,166 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 344 351) no Hoare annotation was computed. [2020-07-07 10:44:06,166 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 344 351) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:44:06,166 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 158 166) no Hoare annotation was computed. [2020-07-07 10:44:06,166 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 158 166) no Hoare annotation was computed. [2020-07-07 10:44:06,166 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 158 166) no Hoare annotation was computed. [2020-07-07 10:44:06,166 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 416 434) no Hoare annotation was computed. [2020-07-07 10:44:06,167 INFO L268 CegarLoopResult]: For program point L425(lines 425 429) no Hoare annotation was computed. [2020-07-07 10:44:06,167 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-07 10:44:06,167 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2020-07-07 10:44:06,167 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-07 10:44:06,167 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 416 434) the Hoare annotation is: true [2020-07-07 10:44:06,167 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 416 434) no Hoare annotation was computed. [2020-07-07 10:44:06,167 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 114 125) the Hoare annotation is: (let ((.cse7 (not (= 0 ~systemActive~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse5 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse6 .cse4) (or .cse0 .cse5 .cse1 .cse7 .cse3 .cse8) (or .cse0 .cse5 .cse1 .cse7 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse3 .cse8 .cse4) (or .cse1 .cse5 .cse6 .cse8 .cse4))) [2020-07-07 10:44:06,167 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 114 125) no Hoare annotation was computed. [2020-07-07 10:44:06,168 INFO L268 CegarLoopResult]: For program point L118-1(lines 114 125) no Hoare annotation was computed. [2020-07-07 10:44:06,168 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:44:06,168 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:44:06,168 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:44:06,168 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 126 134) the Hoare annotation is: true [2020-07-07 10:44:06,168 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-07 10:44:06,168 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-07 10:44:06,169 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (<= |old(~waterLevel~0)| 0))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse10 (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse4)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse13 (<= ~waterLevel~0 0) .cse4 .cse14)) (.cse12 (and .cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse14)) (.cse5 (not (= 1 ~systemActive~0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse8 .cse1 .cse9 .cse10 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse8 .cse1 .cse3 .cse9 .cse10 .cse5) (or .cse0 .cse11 .cse3 .cse9 .cse12 .cse5) (or .cse6 .cse0 .cse11 .cse9 .cse12 .cse5) (or .cse7 .cse8 .cse3 .cse9)))) [2020-07-07 10:44:06,169 INFO L264 CegarLoopResult]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse14 (= 1 ~systemActive~0)) (.cse16 (= 0 ~methaneLevelCritical~0)) (.cse11 (= 0 ~pumpRunning~0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse5 (and .cse10 .cse13 (<= 1 ~pumpRunning~0))) (.cse4 (and (= 0 ~methAndRunningLastTime~0) .cse11 .cse10)) (.cse15 (<= ~waterLevel~0 0)) (.cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 0))) (.cse7 (not .cse16)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not .cse14)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse18 (and .cse11 .cse10 .cse13)) (.cse19 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse2 .cse7 .cse3 .cse5 .cse4 .cse6) (or .cse8 .cse2 .cse9 .cse7 .cse10 .cse6) (or .cse0 .cse8 .cse3 (and .cse11 .cse12 .cse13 .cse14) (and .cse15 .cse11 .cse10 .cse13 .cse14) .cse6) (let ((.cse17 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse11 .cse12 .cse13) .cse8 .cse7 (and .cse15 .cse11 .cse10 .cse13) .cse3 (and .cse16 .cse17 .cse15 .cse10 .cse13 .cse14) (and .cse16 .cse17 .cse12 .cse13 .cse14) .cse6)) (or .cse0 .cse8 .cse2 .cse9 .cse10 .cse6) (or .cse11 (and (or .cse1 .cse2 .cse9 .cse7 .cse6) (or .cse1 .cse2 .cse7 (not (= 1 |old(~waterLevel~0)|)) .cse6))) (or .cse18 .cse19 .cse1 .cse7 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse11 .cse6) (or .cse0 .cse18 .cse19 .cse1 .cse3)))) [2020-07-07 10:44:06,169 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 261 284) the Hoare annotation is: (let ((.cse12 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse13 (= 0 ~pumpRunning~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (and (= 0 ~methAndRunningLastTime~0) .cse13 .cse11)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (and .cse13 .cse11 .cse12)) (.cse10 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse12)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse3 .cse7 .cse4) (or .cse5 .cse6 .cse8 .cse3 .cse7 .cse4) (or .cse9 .cse10 .cse5 .cse8 .cse3) (or .cse0 .cse9 .cse10 .cse5 .cse3) (or .cse1 .cse8 .cse2 .cse3 .cse4)))) [2020-07-07 10:44:06,169 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse8 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4) (or .cse0 .cse8 .cse5 .cse3) (or .cse0 .cse5 .cse6 .cse3 .cse4) (or .cse8 .cse5 .cse7 .cse3) (or .cse1 .cse7 .cse2 .cse3 .cse4))) [2020-07-07 10:44:06,170 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 261 284) no Hoare annotation was computed. [2020-07-07 10:44:06,170 INFO L268 CegarLoopResult]: For program point L265(lines 264 283) no Hoare annotation was computed. [2020-07-07 10:44:06,170 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 261 284) no Hoare annotation was computed. [2020-07-07 10:44:06,170 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 835 864) no Hoare annotation was computed. [2020-07-07 10:44:06,170 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 835 864) the Hoare annotation is: true [2020-07-07 10:44:06,170 INFO L271 CegarLoopResult]: At program point L860(lines 835 864) the Hoare annotation is: true [2020-07-07 10:44:06,170 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-07 10:44:06,170 INFO L268 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-07-07 10:44:06,170 INFO L271 CegarLoopResult]: At program point L849-1(lines 849 853) the Hoare annotation is: true [2020-07-07 10:44:06,171 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-07 10:44:06,171 INFO L271 CegarLoopResult]: At program point L845-2(lines 845 859) the Hoare annotation is: true [2020-07-07 10:44:06,171 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-07-07 10:44:06,171 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-07 10:44:06,171 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 90 101) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:44:06,171 INFO L268 CegarLoopResult]: For program point L94-1(lines 90 101) no Hoare annotation was computed. [2020-07-07 10:44:06,171 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 90 101) no Hoare annotation was computed. [2020-07-07 10:44:06,171 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 889 895) no Hoare annotation was computed. [2020-07-07 10:44:06,172 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 889 895) the Hoare annotation is: true [2020-07-07 10:44:06,172 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:44:06,172 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:44:06,172 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:44:06,172 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:44:06,172 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 450 457) no Hoare annotation was computed. [2020-07-07 10:44:06,172 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 450 457) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse5 .cse4 .cse0 .cse1 .cse6) (or .cse5 .cse0 .cse1 .cse2 .cse6))) [2020-07-07 10:44:06,172 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 450 457) no Hoare annotation was computed. [2020-07-07 10:44:06,173 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 293 317) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or .cse2 .cse3 .cse4 .cse0 .cse5 .cse1) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 .cse5 .cse1))) [2020-07-07 10:44:06,173 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 293 317) no Hoare annotation was computed. [2020-07-07 10:44:06,173 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or .cse2 .cse3 .cse4 .cse0 .cse1) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 .cse1))) [2020-07-07 10:44:06,173 INFO L268 CegarLoopResult]: For program point L312-1(lines 293 317) no Hoare annotation was computed. [2020-07-07 10:44:06,173 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse0 .cse1) (or .cse2 .cse3 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse5 .cse1))) [2020-07-07 10:44:06,173 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse2) (or .cse3 .cse6 .cse5 .cse0 .cse7 .cse2) (or .cse3 .cse5 .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse6 .cse5 .cse7 .cse2))) [2020-07-07 10:44:06,174 INFO L268 CegarLoopResult]: For program point L301(lines 301 309) no Hoare annotation was computed. [2020-07-07 10:44:06,174 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or .cse2 .cse3 .cse4 .cse0 .cse5 .cse1) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 .cse5 .cse1))) [2020-07-07 10:44:06,174 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-07-07 10:44:06,174 INFO L268 CegarLoopResult]: For program point L297(lines 297 314) no Hoare annotation was computed. [2020-07-07 10:44:06,174 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 102 113) no Hoare annotation was computed. [2020-07-07 10:44:06,174 INFO L268 CegarLoopResult]: For program point L106-1(lines 102 113) no Hoare annotation was computed. [2020-07-07 10:44:06,174 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 102 113) the Hoare annotation is: (let ((.cse6 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse1 .cse2 .cse7) (or .cse5 .cse6 .cse8 .cse1 .cse2 .cse7) (or .cse5 .cse8 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse8 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:44:06,175 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 825 832) no Hoare annotation was computed. [2020-07-07 10:44:06,175 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2020-07-07 10:44:06,175 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 825 832) the Hoare annotation is: true [2020-07-07 10:44:06,175 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 825 832) no Hoare annotation was computed. [2020-07-07 10:44:06,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:44:06 BoogieIcfgContainer [2020-07-07 10:44:06,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:44:06,197 INFO L168 Benchmark]: Toolchain (without parser) took 134934.01 ms. Allocated memory was 143.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 98.5 MB in the beginning and 756.7 MB in the end (delta: -658.2 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-07-07 10:44:06,198 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.1 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 10:44:06,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.19 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 98.2 MB in the beginning and 166.8 MB in the end (delta: -68.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:44:06,199 INFO L168 Benchmark]: Boogie Preprocessor took 85.31 ms. Allocated memory is still 199.8 MB. Free memory was 166.8 MB in the beginning and 162.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:44:06,199 INFO L168 Benchmark]: RCFGBuilder took 1158.84 ms. Allocated memory was 199.8 MB in the beginning and 229.1 MB in the end (delta: 29.4 MB). Free memory was 162.7 MB in the beginning and 192.9 MB in the end (delta: -30.2 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2020-07-07 10:44:06,200 INFO L168 Benchmark]: TraceAbstraction took 132969.81 ms. Allocated memory was 229.1 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 191.5 MB in the beginning and 756.7 MB in the end (delta: -565.2 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-07-07 10:44:06,202 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.1 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.19 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 98.2 MB in the beginning and 166.8 MB in the end (delta: -68.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.31 ms. Allocated memory is still 199.8 MB. Free memory was 166.8 MB in the beginning and 162.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1158.84 ms. Allocated memory was 199.8 MB in the beginning and 229.1 MB in the end (delta: 29.4 MB). Free memory was 162.7 MB in the beginning and 192.9 MB in the end (delta: -30.2 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 132969.81 ms. Allocated memory was 229.1 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 191.5 MB in the beginning and 756.7 MB in the end (delta: -565.2 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((((((((((((0 == splverifierCounter && 0 == methAndRunningLastTime) && 1 <= methaneLevelCritical) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || (((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || (((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || (((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && waterLevel <= 2) && 1 == systemActive) && 1 <= pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 58.6s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 46.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 74.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2055 SDtfs, 5007 SDslu, 3942 SDs, 0 SdLazy, 12277 SolverSat, 4558 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1394 GetRequests, 1097 SyntacticMatches, 8 SemanticMatches, 289 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4315 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2478occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 5083 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 5298 PreInvPairs, 5468 NumberOfFragments, 4415 HoareAnnotationTreeSize, 5298 FomulaSimplifications, 4600679652 FormulaSimplificationTreeSizeReduction, 20.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 207708123 FormulaSimplificationTreeSizeReductionInter, 53.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 1898 NumberOfCodeBlocks, 1898 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1881 ConstructedInterpolants, 0 QuantifiedInterpolants, 626476 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3758 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 381/414 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...