/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_spec3_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:44:40,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:44:40,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:44:40,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:44:40,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:44:40,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:44:40,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:44:40,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:44:40,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:44:40,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:44:40,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:44:40,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:44:40,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:44:40,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:44:40,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:44:40,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:44:40,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:44:40,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:44:40,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:44:40,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:44:40,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:44:40,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:44:40,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:44:40,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:44:40,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:44:40,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:44:40,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:44:40,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:44:40,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:44:40,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:44:40,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:44:40,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:44:40,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:44:40,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:44:40,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:44:40,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:44:40,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:44:40,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:44:40,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:44:40,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:44:40,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:44:40,922 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 10:44:40,940 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:44:40,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:44:40,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:44:40,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:44:40,942 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:44:40,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:44:40,942 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:44:40,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:44:40,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:44:40,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:44:40,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:44:40,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:44:40,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:44:40,944 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:44:40,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:44:40,944 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:44:40,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:44:40,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:44:40,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:44:40,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:44:40,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:44:40,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:44:40,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:44:40,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:44:40,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:44:40,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:44:40,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:44:40,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:44:40,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:44:40,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:44:41,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:44:41,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:44:41,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:44:41,291 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:44:41,292 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:44:41,293 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-07-07 10:44:41,370 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df0138ca1/d082a2b69e39474aa9d992b22eadb128/FLAGc4fa90952 [2020-07-07 10:44:41,947 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:44:41,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-07-07 10:44:41,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df0138ca1/d082a2b69e39474aa9d992b22eadb128/FLAGc4fa90952 [2020-07-07 10:44:42,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df0138ca1/d082a2b69e39474aa9d992b22eadb128 [2020-07-07 10:44:42,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:44:42,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:44:42,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:42,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:44:42,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:44:42,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:42" (1/1) ... [2020-07-07 10:44:42,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250f041f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:42, skipping insertion in model container [2020-07-07 10:44:42,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:42" (1/1) ... [2020-07-07 10:44:42,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:44:42,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:44:42,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:42,787 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:44:42,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:42,944 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:44:42,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:42 WrapperNode [2020-07-07 10:44:42,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:42,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:44:42,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:44:42,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:44:42,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:42" (1/1) ... [2020-07-07 10:44:42,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:42" (1/1) ... [2020-07-07 10:44:42,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:42" (1/1) ... [2020-07-07 10:44:42,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:42" (1/1) ... [2020-07-07 10:44:43,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:42" (1/1) ... [2020-07-07 10:44:43,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:42" (1/1) ... [2020-07-07 10:44:43,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:42" (1/1) ... [2020-07-07 10:44:43,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:44:43,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:44:43,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:44:43,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:44:43,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:42" (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 10:44:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:44:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:44:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:44:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:44:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:44:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:44:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:44:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:44:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:44:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:44:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:44:43,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-07 10:44:43,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:44:43,097 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:44:43,097 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:44:43,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:44:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:44:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:44:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:44:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:44:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:44:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:44:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:44:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:44:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:44:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:44:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:44:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:44:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:44:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:44:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:44:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:44:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:44:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:44:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:44:43,102 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:44:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:44:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:44:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:44:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:44:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:44:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:44:43,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:44:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:44:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:44:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:44:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:44:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:44:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:44:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:44:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:44:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:44:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:44:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:44:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:44:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:44:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:44:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:44:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:44:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:44:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:44:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:44:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:44:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-07 10:44:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:44:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:44:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:44:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:44:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:44:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:44:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:44:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:44:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:44:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:44:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:44:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:44:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:44:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:44:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:44:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:44:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:44:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:44:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:44:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:44:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:44:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:44:44,174 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:44:44,174 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:44:44,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:44 BoogieIcfgContainer [2020-07-07 10:44:44,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:44:44,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:44:44,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:44:44,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:44:44,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:44:42" (1/3) ... [2020-07-07 10:44:44,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc15db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:44, skipping insertion in model container [2020-07-07 10:44:44,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:42" (2/3) ... [2020-07-07 10:44:44,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc15db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:44, skipping insertion in model container [2020-07-07 10:44:44,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:44" (3/3) ... [2020-07-07 10:44:44,193 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2020-07-07 10:44:44,203 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:44:44,212 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:44:44,227 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:44:44,263 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:44:44,264 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:44:44,264 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:44:44,264 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:44:44,264 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:44:44,264 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:44:44,265 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:44:44,266 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:44:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-07-07 10:44:44,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:44:44,306 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:44,308 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 10:44:44,308 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:44,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:44,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1930033303, now seen corresponding path program 1 times [2020-07-07 10:44:44,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:44,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843505842] [2020-07-07 10:44:44,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:44,950 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:45,067 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 10:44:45,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843505842] [2020-07-07 10:44:45,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:45,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:44:45,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860618913] [2020-07-07 10:44:45,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:44:45,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:45,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:44:45,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:44:45,093 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 3 states. [2020-07-07 10:44:46,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:46,401 INFO L93 Difference]: Finished difference Result 341 states and 445 transitions. [2020-07-07 10:44:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:44:46,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-07 10:44:46,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:46,419 INFO L225 Difference]: With dead ends: 341 [2020-07-07 10:44:46,420 INFO L226 Difference]: Without dead ends: 183 [2020-07-07 10:44:46,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:44:46,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-07 10:44:46,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 149. [2020-07-07 10:44:46,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-07 10:44:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 177 transitions. [2020-07-07 10:44:46,524 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 177 transitions. Word has length 52 [2020-07-07 10:44:46,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:46,525 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 177 transitions. [2020-07-07 10:44:46,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:44:46,525 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 177 transitions. [2020-07-07 10:44:46,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-07 10:44:46,529 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:46,529 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:46,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:44:46,530 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:46,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:46,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1692135718, now seen corresponding path program 1 times [2020-07-07 10:44:46,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:46,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966598401] [2020-07-07 10:44:46,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,855 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,909 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 10:44:46,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966598401] [2020-07-07 10:44:46,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:46,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:44:46,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6470106] [2020-07-07 10:44:46,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:44:46,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:46,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:44:46,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:44:46,914 INFO L87 Difference]: Start difference. First operand 149 states and 177 transitions. Second operand 4 states. [2020-07-07 10:44:47,340 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:48,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:48,309 INFO L93 Difference]: Finished difference Result 274 states and 336 transitions. [2020-07-07 10:44:48,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:44:48,311 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-07 10:44:48,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:48,314 INFO L225 Difference]: With dead ends: 274 [2020-07-07 10:44:48,315 INFO L226 Difference]: Without dead ends: 167 [2020-07-07 10:44:48,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:44:48,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-07-07 10:44:48,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 140. [2020-07-07 10:44:48,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-07 10:44:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2020-07-07 10:44:48,360 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 53 [2020-07-07 10:44:48,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:48,360 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2020-07-07 10:44:48,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:44:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2020-07-07 10:44:48,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:44:48,363 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:48,364 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 10:44:48,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:44:48,364 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:48,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:48,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1292389066, now seen corresponding path program 1 times [2020-07-07 10:44:48,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:48,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989279363] [2020-07-07 10:44:48,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,734 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:48,883 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 10:44:48,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989279363] [2020-07-07 10:44:48,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:48,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:48,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990697301] [2020-07-07 10:44:48,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:48,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:48,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:48,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:48,886 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 8 states. [2020-07-07 10:44:49,305 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:49,664 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:44:49,903 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:50,149 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:51,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:51,539 INFO L93 Difference]: Finished difference Result 283 states and 350 transitions. [2020-07-07 10:44:51,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:44:51,540 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-07 10:44:51,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:51,545 INFO L225 Difference]: With dead ends: 283 [2020-07-07 10:44:51,545 INFO L226 Difference]: Without dead ends: 167 [2020-07-07 10:44:51,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:44:51,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-07-07 10:44:51,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 140. [2020-07-07 10:44:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-07 10:44:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2020-07-07 10:44:51,591 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 57 [2020-07-07 10:44:51,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:51,591 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2020-07-07 10:44:51,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:51,591 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2020-07-07 10:44:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-07 10:44:51,595 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:51,595 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] [2020-07-07 10:44:51,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:44:51,595 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:51,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:51,596 INFO L82 PathProgramCache]: Analyzing trace with hash 875217030, now seen corresponding path program 1 times [2020-07-07 10:44:51,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:51,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281390567] [2020-07-07 10:44:51,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,882 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:52,011 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 10:44:52,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281390567] [2020-07-07 10:44:52,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:52,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:44:52,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555765622] [2020-07-07 10:44:52,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:44:52,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:52,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:44:52,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:44:52,015 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 6 states. [2020-07-07 10:44:52,419 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:53,619 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:54,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:54,449 INFO L93 Difference]: Finished difference Result 393 states and 487 transitions. [2020-07-07 10:44:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:44:54,450 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2020-07-07 10:44:54,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:54,454 INFO L225 Difference]: With dead ends: 393 [2020-07-07 10:44:54,454 INFO L226 Difference]: Without dead ends: 277 [2020-07-07 10:44:54,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:44:54,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-07-07 10:44:54,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 236. [2020-07-07 10:44:54,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-07-07 10:44:54,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 269 transitions. [2020-07-07 10:44:54,508 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 269 transitions. Word has length 75 [2020-07-07 10:44:54,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:54,509 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 269 transitions. [2020-07-07 10:44:54,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:44:54,509 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 269 transitions. [2020-07-07 10:44:54,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:44:54,512 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:54,512 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 10:44:54,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:44:54,513 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:54,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:54,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1332654256, now seen corresponding path program 1 times [2020-07-07 10:44:54,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:54,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759088753] [2020-07-07 10:44:54,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,803 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,913 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 10:44:54,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759088753] [2020-07-07 10:44:54,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:54,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:54,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425095009] [2020-07-07 10:44:54,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:54,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:54,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:54,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:54,916 INFO L87 Difference]: Start difference. First operand 236 states and 269 transitions. Second operand 8 states. [2020-07-07 10:44:55,367 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:56,634 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:56,964 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:57,208 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:57,436 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:58,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:58,280 INFO L93 Difference]: Finished difference Result 614 states and 761 transitions. [2020-07-07 10:44:58,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 10:44:58,280 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-07-07 10:44:58,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:58,286 INFO L225 Difference]: With dead ends: 614 [2020-07-07 10:44:58,288 INFO L226 Difference]: Without dead ends: 402 [2020-07-07 10:44:58,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:44:58,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-07-07 10:44:58,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 362. [2020-07-07 10:44:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-07-07 10:44:58,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 420 transitions. [2020-07-07 10:44:58,364 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 420 transitions. Word has length 89 [2020-07-07 10:44:58,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:58,364 INFO L479 AbstractCegarLoop]: Abstraction has 362 states and 420 transitions. [2020-07-07 10:44:58,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:58,364 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 420 transitions. [2020-07-07 10:44:58,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:44:58,366 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:58,367 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 10:44:58,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:44:58,367 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:58,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:58,368 INFO L82 PathProgramCache]: Analyzing trace with hash -920967306, now seen corresponding path program 1 times [2020-07-07 10:44:58,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:58,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650124399] [2020-07-07 10:44:58,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,643 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,769 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 10:44:58,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650124399] [2020-07-07 10:44:58,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:58,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:44:58,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31212478] [2020-07-07 10:44:58,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:44:58,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:58,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:44:58,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:44:58,772 INFO L87 Difference]: Start difference. First operand 362 states and 420 transitions. Second operand 9 states. [2020-07-07 10:44:59,209 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:59,725 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:01,218 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:03,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:03,345 INFO L93 Difference]: Finished difference Result 935 states and 1195 transitions. [2020-07-07 10:45:03,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 10:45:03,345 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-07 10:45:03,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:03,352 INFO L225 Difference]: With dead ends: 935 [2020-07-07 10:45:03,352 INFO L226 Difference]: Without dead ends: 712 [2020-07-07 10:45:03,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:45:03,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2020-07-07 10:45:03,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 646. [2020-07-07 10:45:03,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-07-07 10:45:03,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 781 transitions. [2020-07-07 10:45:03,475 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 781 transitions. Word has length 93 [2020-07-07 10:45:03,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:03,476 INFO L479 AbstractCegarLoop]: Abstraction has 646 states and 781 transitions. [2020-07-07 10:45:03,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:45:03,476 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 781 transitions. [2020-07-07 10:45:03,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:45:03,478 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:03,478 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 10:45:03,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:45:03,479 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:03,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:03,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1438339703, now seen corresponding path program 1 times [2020-07-07 10:45:03,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:03,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724637960] [2020-07-07 10:45:03,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,725 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:03,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724637960] [2020-07-07 10:45:03,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:03,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:45:03,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180465334] [2020-07-07 10:45:03,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:45:03,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:03,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:45:03,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:45:03,845 INFO L87 Difference]: Start difference. First operand 646 states and 781 transitions. Second operand 8 states. [2020-07-07 10:45:04,961 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:05,164 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:05,408 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:06,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:06,583 INFO L93 Difference]: Finished difference Result 1191 states and 1490 transitions. [2020-07-07 10:45:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:45:06,584 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-07-07 10:45:06,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:06,588 INFO L225 Difference]: With dead ends: 1191 [2020-07-07 10:45:06,589 INFO L226 Difference]: Without dead ends: 688 [2020-07-07 10:45:06,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:45:06,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-07-07 10:45:06,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 646. [2020-07-07 10:45:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-07-07 10:45:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 780 transitions. [2020-07-07 10:45:06,706 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 780 transitions. Word has length 93 [2020-07-07 10:45:06,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:06,706 INFO L479 AbstractCegarLoop]: Abstraction has 646 states and 780 transitions. [2020-07-07 10:45:06,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:45:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 780 transitions. [2020-07-07 10:45:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:45:06,708 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:06,709 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 10:45:06,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:45:06,709 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:06,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:06,710 INFO L82 PathProgramCache]: Analyzing trace with hash 2097871225, now seen corresponding path program 1 times [2020-07-07 10:45:06,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:06,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839893014] [2020-07-07 10:45:06,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,029 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:07,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:07,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839893014] [2020-07-07 10:45:07,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:07,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:45:07,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248151403] [2020-07-07 10:45:07,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:45:07,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:07,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:45:07,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:45:07,201 INFO L87 Difference]: Start difference. First operand 646 states and 780 transitions. Second operand 12 states. [2020-07-07 10:45:07,983 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:08,235 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:08,468 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:09,181 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:09,447 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:45:09,709 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:09,938 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:11,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:11,264 INFO L93 Difference]: Finished difference Result 1270 states and 1579 transitions. [2020-07-07 10:45:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 10:45:11,265 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2020-07-07 10:45:11,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:11,271 INFO L225 Difference]: With dead ends: 1270 [2020-07-07 10:45:11,271 INFO L226 Difference]: Without dead ends: 648 [2020-07-07 10:45:11,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-07-07 10:45:11,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-07-07 10:45:11,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 617. [2020-07-07 10:45:11,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-07-07 10:45:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 740 transitions. [2020-07-07 10:45:11,398 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 740 transitions. Word has length 93 [2020-07-07 10:45:11,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:11,399 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 740 transitions. [2020-07-07 10:45:11,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:45:11,399 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 740 transitions. [2020-07-07 10:45:11,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-07 10:45:11,401 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:11,401 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, 1] [2020-07-07 10:45:11,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:45:11,402 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:11,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:11,402 INFO L82 PathProgramCache]: Analyzing trace with hash 791892564, now seen corresponding path program 1 times [2020-07-07 10:45:11,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:11,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194704641] [2020-07-07 10:45:11,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,676 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:11,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:11,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194704641] [2020-07-07 10:45:11,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:11,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-07 10:45:11,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67213965] [2020-07-07 10:45:11,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-07 10:45:11,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:11,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-07 10:45:11,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:45:11,830 INFO L87 Difference]: Start difference. First operand 617 states and 740 transitions. Second operand 13 states. [2020-07-07 10:45:12,543 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:12,768 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:12,979 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:14,077 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:14,636 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:14,934 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:15,191 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:15,837 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:16,136 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:16,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:16,533 INFO L93 Difference]: Finished difference Result 1241 states and 1503 transitions. [2020-07-07 10:45:16,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 10:45:16,534 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-07-07 10:45:16,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:16,540 INFO L225 Difference]: With dead ends: 1241 [2020-07-07 10:45:16,540 INFO L226 Difference]: Without dead ends: 648 [2020-07-07 10:45:16,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2020-07-07 10:45:16,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-07-07 10:45:16,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 617. [2020-07-07 10:45:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-07-07 10:45:16,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 724 transitions. [2020-07-07 10:45:16,649 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 724 transitions. Word has length 94 [2020-07-07 10:45:16,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:16,651 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 724 transitions. [2020-07-07 10:45:16,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-07 10:45:16,652 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 724 transitions. [2020-07-07 10:45:16,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-07 10:45:16,654 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:16,654 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:45:16,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:45:16,655 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:16,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:16,655 INFO L82 PathProgramCache]: Analyzing trace with hash -361137762, now seen corresponding path program 1 times [2020-07-07 10:45:16,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:16,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708480282] [2020-07-07 10:45:16,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,922 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-07 10:45:17,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708480282] [2020-07-07 10:45:17,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393345548] [2020-07-07 10:45:17,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:45:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:17,436 INFO L264 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 19 conjunts are in the unsatisfiable core [2020-07-07 10:45:17,452 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:45:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-07 10:45:17,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:45:17,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2020-07-07 10:45:17,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720955248] [2020-07-07 10:45:17,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 10:45:17,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:17,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 10:45:17,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:45:17,718 INFO L87 Difference]: Start difference. First operand 617 states and 724 transitions. Second operand 17 states. [2020-07-07 10:45:18,601 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:19,621 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:19,885 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:45:20,156 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:45:20,420 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:45:21,755 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:22,683 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:23,014 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:23,257 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:24,004 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:45:24,274 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:45:24,555 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:24,805 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:25,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:25,670 INFO L93 Difference]: Finished difference Result 1486 states and 1879 transitions. [2020-07-07 10:45:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-07 10:45:25,671 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 137 [2020-07-07 10:45:25,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:25,677 INFO L225 Difference]: With dead ends: 1486 [2020-07-07 10:45:25,677 INFO L226 Difference]: Without dead ends: 968 [2020-07-07 10:45:25,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=307, Invalid=1099, Unknown=0, NotChecked=0, Total=1406 [2020-07-07 10:45:25,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2020-07-07 10:45:25,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 835. [2020-07-07 10:45:25,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 835 states. [2020-07-07 10:45:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 970 transitions. [2020-07-07 10:45:25,839 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 970 transitions. Word has length 137 [2020-07-07 10:45:25,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:25,839 INFO L479 AbstractCegarLoop]: Abstraction has 835 states and 970 transitions. [2020-07-07 10:45:25,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 10:45:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 970 transitions. [2020-07-07 10:45:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-07 10:45:25,842 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:25,843 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:45:26,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:45:26,058 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:26,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:26,059 INFO L82 PathProgramCache]: Analyzing trace with hash -834613817, now seen corresponding path program 1 times [2020-07-07 10:45:26,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:26,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558351234] [2020-07-07 10:45:26,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,363 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,625 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-07 10:45:26,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558351234] [2020-07-07 10:45:26,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315795671] [2020-07-07 10:45:26,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 10:45:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:26,904 INFO L264 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:45:26,919 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:45:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-07 10:45:27,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:45:27,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2020-07-07 10:45:27,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979292921] [2020-07-07 10:45:27,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 10:45:27,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:27,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 10:45:27,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:45:27,177 INFO L87 Difference]: Start difference. First operand 835 states and 970 transitions. Second operand 19 states. [2020-07-07 10:45:28,508 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:29,147 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:29,426 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:45:29,744 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:45:31,171 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:31,717 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-07-07 10:45:32,218 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-07-07 10:45:32,478 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:45:32,766 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:33,088 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:33,593 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-07-07 10:45:34,103 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-07-07 10:45:34,645 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:45:34,885 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:45:35,422 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:45:35,707 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:45:36,054 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:45:36,358 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:45:40,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:40,003 INFO L93 Difference]: Finished difference Result 3107 states and 4309 transitions. [2020-07-07 10:45:40,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-07 10:45:40,004 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 141 [2020-07-07 10:45:40,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:40,006 INFO L225 Difference]: With dead ends: 3107 [2020-07-07 10:45:40,006 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:45:40,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=790, Invalid=3116, Unknown=0, NotChecked=0, Total=3906 [2020-07-07 10:45:40,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:45:40,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:45:40,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:45:40,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:45:40,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2020-07-07 10:45:40,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:40,018 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:45:40,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 10:45:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:45:40,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:45:40,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:45:40,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:45:43,301 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 260 [2020-07-07 10:45:48,910 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 283 [2020-07-07 10:45:50,587 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 260 [2020-07-07 10:45:51,652 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 283 [2020-07-07 10:45:54,078 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 22 [2020-07-07 10:45:54,251 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-07 10:45:54,436 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-07 10:45:55,117 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-07-07 10:45:55,905 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 27 [2020-07-07 10:45:56,069 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-07 10:45:56,982 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 22 [2020-07-07 10:45:57,560 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 21 [2020-07-07 10:45:58,097 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 21 [2020-07-07 10:45:58,652 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 21 [2020-07-07 10:45:58,823 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-07 10:45:59,386 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 21 [2020-07-07 10:45:59,556 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-07 10:46:00,119 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 21 [2020-07-07 10:46:00,310 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:00,800 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 27 [2020-07-07 10:46:00,985 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-07 10:46:01,994 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 24 [2020-07-07 10:46:02,164 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-07 10:46:03,047 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 20 [2020-07-07 10:46:03,243 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-07 10:46:03,611 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 15 [2020-07-07 10:46:05,959 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 215 DAG size of output: 51 [2020-07-07 10:46:07,086 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 187 DAG size of output: 27 [2020-07-07 10:46:08,276 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 184 DAG size of output: 27 [2020-07-07 10:46:08,449 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:46:09,541 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 178 DAG size of output: 25 [2020-07-07 10:46:10,482 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 22 [2020-07-07 10:46:11,323 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 26 [2020-07-07 10:46:12,320 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 23 [2020-07-07 10:46:12,918 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 21 [2020-07-07 10:46:13,111 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 24 [2020-07-07 10:46:13,285 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:46:13,470 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-07 10:46:13,662 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 24 [2020-07-07 10:46:13,819 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-07 10:46:14,389 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 21 [2020-07-07 10:46:15,380 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 22 [2020-07-07 10:46:15,953 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 21 [2020-07-07 10:46:16,118 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:46:16,284 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-07 10:46:16,466 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-07 10:46:16,960 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 27 [2020-07-07 10:46:17,530 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 21 [2020-07-07 10:46:17,719 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-07 10:46:17,920 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-07 10:46:18,720 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 26 [2020-07-07 10:46:19,276 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 21 [2020-07-07 10:46:20,732 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 207 DAG size of output: 46 [2020-07-07 10:46:21,289 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 13 [2020-07-07 10:46:21,451 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:46:21,641 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-07 10:46:21,821 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:46:21,826 INFO L268 CegarLoopResult]: For program point L610-1(lines 610 614) no Hoare annotation was computed. [2020-07-07 10:46:21,826 INFO L268 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-07-07 10:46:21,827 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 625) no Hoare annotation was computed. [2020-07-07 10:46:21,827 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 579 634) no Hoare annotation was computed. [2020-07-07 10:46:21,827 INFO L268 CegarLoopResult]: For program point L626(lines 603 627) no Hoare annotation was computed. [2020-07-07 10:46:21,827 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 579 634) no Hoare annotation was computed. [2020-07-07 10:46:21,827 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 579 634) no Hoare annotation was computed. [2020-07-07 10:46:21,827 INFO L268 CegarLoopResult]: For program point L610(lines 610 614) no Hoare annotation was computed. [2020-07-07 10:46:21,827 INFO L268 CegarLoopResult]: For program point L667(lines 667 671) no Hoare annotation was computed. [2020-07-07 10:46:21,827 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 671) no Hoare annotation was computed. [2020-07-07 10:46:21,827 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-07-07 10:46:21,828 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 635 694) no Hoare annotation was computed. [2020-07-07 10:46:21,828 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 686) no Hoare annotation was computed. [2020-07-07 10:46:21,828 INFO L268 CegarLoopResult]: For program point L687(lines 660 688) no Hoare annotation was computed. [2020-07-07 10:46:21,828 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 635 694) no Hoare annotation was computed. [2020-07-07 10:46:21,828 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 635 694) no Hoare annotation was computed. [2020-07-07 10:46:21,828 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-07-07 10:46:21,828 INFO L268 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2020-07-07 10:46:21,828 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-07 10:46:21,828 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-07 10:46:21,828 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-07 10:46:21,829 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-07 10:46:21,829 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-07 10:46:21,829 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 965 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:21,829 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 965 987) no Hoare annotation was computed. [2020-07-07 10:46:21,829 INFO L264 CegarLoopResult]: At program point L977(line 977) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:21,830 INFO L264 CegarLoopResult]: At program point L977-1(line 977) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:21,830 INFO L268 CegarLoopResult]: For program point L975(lines 975 982) no Hoare annotation was computed. [2020-07-07 10:46:21,830 INFO L268 CegarLoopResult]: For program point L975-1(lines 975 982) no Hoare annotation was computed. [2020-07-07 10:46:21,830 INFO L268 CegarLoopResult]: For program point L973(line 973) no Hoare annotation was computed. [2020-07-07 10:46:21,830 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 965 987) no Hoare annotation was computed. [2020-07-07 10:46:21,830 INFO L264 CegarLoopResult]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:21,831 INFO L264 CegarLoopResult]: At program point L971(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:21,831 INFO L264 CegarLoopResult]: At program point L971-1(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:21,831 INFO L268 CegarLoopResult]: For program point L929(line 929) no Hoare annotation was computed. [2020-07-07 10:46:21,831 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 924 947) no Hoare annotation was computed. [2020-07-07 10:46:21,831 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 924 947) no Hoare annotation was computed. [2020-07-07 10:46:21,831 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 924 947) no Hoare annotation was computed. [2020-07-07 10:46:21,831 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-07-07 10:46:21,832 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-07 10:46:21,832 INFO L268 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-07-07 10:46:21,832 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-07 10:46:21,832 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-07-07 10:46:21,832 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-07-07 10:46:21,832 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-07-07 10:46:21,832 INFO L268 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-07-07 10:46:21,832 INFO L268 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-07-07 10:46:21,832 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-07-07 10:46:21,833 INFO L268 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-07-07 10:46:21,833 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-07-07 10:46:21,833 INFO L268 CegarLoopResult]: For program point L930(line 930) no Hoare annotation was computed. [2020-07-07 10:46:21,833 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 305 313) no Hoare annotation was computed. [2020-07-07 10:46:21,833 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 305 313) the Hoare annotation is: true [2020-07-07 10:46:21,833 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 305 313) no Hoare annotation was computed. [2020-07-07 10:46:21,833 INFO L268 CegarLoopResult]: For program point L378(lines 378 382) no Hoare annotation was computed. [2020-07-07 10:46:21,833 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 369 387) the Hoare annotation is: true [2020-07-07 10:46:21,833 INFO L271 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: true [2020-07-07 10:46:21,833 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 382) no Hoare annotation was computed. [2020-07-07 10:46:21,833 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-07 10:46:21,833 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 369 387) no Hoare annotation was computed. [2020-07-07 10:46:21,834 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 369 387) no Hoare annotation was computed. [2020-07-07 10:46:21,834 INFO L268 CegarLoopResult]: For program point L321(lines 321 329) no Hoare annotation was computed. [2020-07-07 10:46:21,834 INFO L268 CegarLoopResult]: For program point L321-2(lines 321 329) no Hoare annotation was computed. [2020-07-07 10:46:21,834 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-07-07 10:46:21,834 INFO L268 CegarLoopResult]: For program point L344-1(line 344) no Hoare annotation was computed. [2020-07-07 10:46:21,834 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 314 349) no Hoare annotation was computed. [2020-07-07 10:46:21,834 INFO L268 CegarLoopResult]: For program point L333(lines 333 341) no Hoare annotation was computed. [2020-07-07 10:46:21,834 INFO L268 CegarLoopResult]: For program point L333-2(lines 333 341) no Hoare annotation was computed. [2020-07-07 10:46:21,834 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 314 349) no Hoare annotation was computed. [2020-07-07 10:46:21,834 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 314 349) no Hoare annotation was computed. [2020-07-07 10:46:21,834 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-07 10:46:21,834 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-07 10:46:21,834 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 533 578) no Hoare annotation was computed. [2020-07-07 10:46:21,835 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 533 578) no Hoare annotation was computed. [2020-07-07 10:46:21,835 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 533 578) no Hoare annotation was computed. [2020-07-07 10:46:21,835 INFO L268 CegarLoopResult]: For program point L860(lines 860 880) no Hoare annotation was computed. [2020-07-07 10:46:21,835 INFO L268 CegarLoopResult]: For program point L860-1(lines 860 880) no Hoare annotation was computed. [2020-07-07 10:46:21,835 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 846 891) no Hoare annotation was computed. [2020-07-07 10:46:21,835 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 846 891) no Hoare annotation was computed. [2020-07-07 10:46:21,835 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 846 891) no Hoare annotation was computed. [2020-07-07 10:46:21,835 INFO L268 CegarLoopResult]: For program point L866(lines 866 873) no Hoare annotation was computed. [2020-07-07 10:46:21,835 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 955 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:21,835 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 955 964) no Hoare annotation was computed. [2020-07-07 10:46:21,835 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 955 964) no Hoare annotation was computed. [2020-07-07 10:46:21,835 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 294 304) the Hoare annotation is: true [2020-07-07 10:46:21,836 INFO L271 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: true [2020-07-07 10:46:21,836 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 294 304) no Hoare annotation was computed. [2020-07-07 10:46:21,836 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-07-07 10:46:21,836 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 294 304) no Hoare annotation was computed. [2020-07-07 10:46:21,836 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 286 293) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:21,836 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 286 293) no Hoare annotation was computed. [2020-07-07 10:46:21,836 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 286 293) no Hoare annotation was computed. [2020-07-07 10:46:21,836 INFO L268 CegarLoopResult]: For program point L473(lines 473 479) no Hoare annotation was computed. [2020-07-07 10:46:21,836 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 469 482) no Hoare annotation was computed. [2020-07-07 10:46:21,836 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 469 482) the Hoare annotation is: true [2020-07-07 10:46:21,837 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 469 482) no Hoare annotation was computed. [2020-07-07 10:46:21,837 INFO L268 CegarLoopResult]: For program point L257(lines 257 274) no Hoare annotation was computed. [2020-07-07 10:46:21,837 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 253 277) no Hoare annotation was computed. [2020-07-07 10:46:21,837 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 253 277) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:46:21,837 INFO L264 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-07 10:46:21,837 INFO L268 CegarLoopResult]: For program point L272-1(lines 253 277) no Hoare annotation was computed. [2020-07-07 10:46:21,837 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:46:21,837 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:46:21,837 INFO L268 CegarLoopResult]: For program point L261(lines 261 269) no Hoare annotation was computed. [2020-07-07 10:46:21,837 INFO L264 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:46:21,838 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-07-07 10:46:21,838 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 193 199) no Hoare annotation was computed. [2020-07-07 10:46:21,838 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 193 199) the Hoare annotation is: true [2020-07-07 10:46:21,838 INFO L264 CegarLoopResult]: At program point testENTRY(lines 91 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:21,838 INFO L268 CegarLoopResult]: For program point testFINAL(lines 91 154) no Hoare annotation was computed. [2020-07-07 10:46:21,838 INFO L264 CegarLoopResult]: At program point L147(lines 100 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:21,838 INFO L268 CegarLoopResult]: For program point L137(lines 137 141) no Hoare annotation was computed. [2020-07-07 10:46:21,838 INFO L264 CegarLoopResult]: At program point L137-2(lines 131 142) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:46:21,838 INFO L268 CegarLoopResult]: For program point L102(lines 101 146) no Hoare annotation was computed. [2020-07-07 10:46:21,838 INFO L268 CegarLoopResult]: For program point L131(lines 131 142) no Hoare annotation was computed. [2020-07-07 10:46:21,838 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:46:21,838 INFO L268 CegarLoopResult]: For program point L121(lines 121 127) no Hoare annotation was computed. [2020-07-07 10:46:21,838 INFO L268 CegarLoopResult]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2020-07-07 10:46:21,839 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:46:21,839 INFO L264 CegarLoopResult]: At program point L144(lines 101 146) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 1 ~systemActive~0)))) [2020-07-07 10:46:21,839 INFO L268 CegarLoopResult]: For program point L111(lines 111 117) no Hoare annotation was computed. [2020-07-07 10:46:21,839 INFO L268 CegarLoopResult]: For program point L111-1(lines 111 117) no Hoare annotation was computed. [2020-07-07 10:46:21,839 INFO L268 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-07-07 10:46:21,839 INFO L268 CegarLoopResult]: For program point testEXIT(lines 91 154) no Hoare annotation was computed. [2020-07-07 10:46:21,839 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 800 845) no Hoare annotation was computed. [2020-07-07 10:46:21,839 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 800 845) no Hoare annotation was computed. [2020-07-07 10:46:21,839 INFO L268 CegarLoopResult]: For program point L820(lines 820 827) no Hoare annotation was computed. [2020-07-07 10:46:21,839 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 800 845) no Hoare annotation was computed. [2020-07-07 10:46:21,839 INFO L268 CegarLoopResult]: For program point L814(lines 814 834) no Hoare annotation was computed. [2020-07-07 10:46:21,839 INFO L268 CegarLoopResult]: For program point L814-1(lines 814 834) no Hoare annotation was computed. [2020-07-07 10:46:21,839 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 483 491) no Hoare annotation was computed. [2020-07-07 10:46:21,839 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 483 491) the Hoare annotation is: true [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 483 491) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point L445(lines 445 453) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point L445-2(lines 445 453) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 437 459) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 437 459) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 437 459) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 697 799) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point L762(line 762) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point L762-1(line 762) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point L721(lines 721 725) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point L785(lines 785 796) no Hoare annotation was computed. [2020-07-07 10:46:21,840 INFO L268 CegarLoopResult]: For program point L748(lines 748 752) no Hoare annotation was computed. [2020-07-07 10:46:21,841 INFO L268 CegarLoopResult]: For program point L746-2(lines 746 766) no Hoare annotation was computed. [2020-07-07 10:46:21,841 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 697 799) no Hoare annotation was computed. [2020-07-07 10:46:21,841 INFO L268 CegarLoopResult]: For program point L767(lines 745 768) no Hoare annotation was computed. [2020-07-07 10:46:21,841 INFO L268 CegarLoopResult]: For program point L726(lines 726 742) no Hoare annotation was computed. [2020-07-07 10:46:21,841 INFO L268 CegarLoopResult]: For program point L786(lines 786 793) no Hoare annotation was computed. [2020-07-07 10:46:21,841 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 697 799) no Hoare annotation was computed. [2020-07-07 10:46:21,841 INFO L268 CegarLoopResult]: For program point L747(lines 746 766) no Hoare annotation was computed. [2020-07-07 10:46:21,841 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-07-07 10:46:21,841 INFO L268 CegarLoopResult]: For program point L778-1(line 778) no Hoare annotation was computed. [2020-07-07 10:46:21,841 INFO L268 CegarLoopResult]: For program point L743(lines 743 784) no Hoare annotation was computed. [2020-07-07 10:46:21,841 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:21,842 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~string72.offset| |old(#t~string72.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:46:21,842 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:21,842 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 278 285) no Hoare annotation was computed. [2020-07-07 10:46:21,842 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2020-07-07 10:46:21,842 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 278 285) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:46:21,842 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 350 368) no Hoare annotation was computed. [2020-07-07 10:46:21,842 INFO L268 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-07-07 10:46:21,842 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 350 368) the Hoare annotation is: true [2020-07-07 10:46:21,842 INFO L271 CegarLoopResult]: At program point L357(line 357) the Hoare annotation is: true [2020-07-07 10:46:21,842 INFO L268 CegarLoopResult]: For program point L359-2(lines 359 363) no Hoare annotation was computed. [2020-07-07 10:46:21,842 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 350 368) no Hoare annotation was computed. [2020-07-07 10:46:21,842 INFO L268 CegarLoopResult]: For program point L357-1(line 357) no Hoare annotation was computed. [2020-07-07 10:46:21,842 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 460 468) the Hoare annotation is: true [2020-07-07 10:46:21,843 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 460 468) no Hoare annotation was computed. [2020-07-07 10:46:21,843 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 460 468) no Hoare annotation was computed. [2020-07-07 10:46:21,843 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0)) .cse2) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse2))) [2020-07-07 10:46:21,843 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 416 427) no Hoare annotation was computed. [2020-07-07 10:46:21,843 INFO L268 CegarLoopResult]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2020-07-07 10:46:21,843 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:21,843 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:46:21,843 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:21,844 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0))) (let ((.cse6 (not .cse0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= ~waterLevel~0 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (<= 1 ~pumpRunning~0)) (.cse10 (= 1 ~systemActive~0))) (let ((.cse5 (and .cse0 .cse11 .cse12 .cse8 .cse13 .cse10)) (.cse2 (not (<= |old(~waterLevel~0)| 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse11 .cse6 .cse12 .cse8 .cse13 .cse10)) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (and .cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse4 (not .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse6 .cse7 .cse4) (or (and (= 0 ~pumpRunning~0) .cse8) (not (= 0 |old(~pumpRunning~0)|)) .cse9 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse4) (or .cse1 .cse9 (not (<= 2 |old(~waterLevel~0)|)) .cse7 .cse4) (or .cse0 .cse1 .cse3 .cse9 .cse7 .cse4))))) [2020-07-07 10:46:21,844 INFO L264 CegarLoopResult]: At program point L180(lines 180 186) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0))) (let ((.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse15 (not (= 0 |old(~pumpRunning~0)|))) (.cse16 (= 0 ~pumpRunning~0)) (.cse19 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (not .cse0)) (.cse18 (<= ~waterLevel~0 0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (<= 1 ~pumpRunning~0)) (.cse17 (= 1 ~systemActive~0))) (let ((.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse19 .cse12 .cse18 .cse13 .cse14 .cse17)) (.cse4 (and .cse15 .cse12 .cse18 .cse16 .cse13 .cse17)) (.cse6 (and .cse16 .cse20)) (.cse8 (and .cse19 .cse20)) (.cse10 (and .cse0 .cse19 .cse18 .cse13 .cse14 .cse17)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse15 .cse18 .cse16 .cse13 .cse17)) (.cse2 (not (<= |old(~waterLevel~0)| 0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 (not (<= 2 |old(~waterLevel~0)|)) .cse8 .cse5) (or .cse9 .cse10 .cse1 .cse11 .cse12 .cse6 .cse8 .cse5) (or .cse9 .cse0 .cse1 .cse3 .cse4 .cse6 .cse8 .cse5) (or .cse10 .cse1 .cse11 .cse2 .cse12 .cse5) (or (and .cse13 .cse14) .cse15 (and .cse16 (<= ~waterLevel~0 1) .cse13) .cse7 .cse5))))) [2020-07-07 10:46:21,844 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 169 192) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 .cse2))) [2020-07-07 10:46:21,844 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-07-07 10:46:21,844 INFO L268 CegarLoopResult]: For program point L173(lines 172 191) no Hoare annotation was computed. [2020-07-07 10:46:21,845 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 169 192) no Hoare annotation was computed. [2020-07-07 10:46:21,845 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 169 192) no Hoare annotation was computed. [2020-07-07 10:46:21,845 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2020-07-07 10:46:21,845 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2020-07-07 10:46:21,845 INFO L271 CegarLoopResult]: At program point L919(lines 894 923) the Hoare annotation is: true [2020-07-07 10:46:21,845 INFO L268 CegarLoopResult]: For program point L915(line 915) no Hoare annotation was computed. [2020-07-07 10:46:21,845 INFO L268 CegarLoopResult]: For program point L908(lines 908 912) no Hoare annotation was computed. [2020-07-07 10:46:21,845 INFO L271 CegarLoopResult]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2020-07-07 10:46:21,845 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-07-07 10:46:21,846 INFO L271 CegarLoopResult]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2020-07-07 10:46:21,846 INFO L271 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: true [2020-07-07 10:46:21,846 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-07-07 10:46:21,846 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 428 436) the Hoare annotation is: true [2020-07-07 10:46:21,846 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 428 436) no Hoare annotation was computed. [2020-07-07 10:46:21,846 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 428 436) no Hoare annotation was computed. [2020-07-07 10:46:21,846 INFO L268 CegarLoopResult]: For program point L512(lines 512 518) no Hoare annotation was computed. [2020-07-07 10:46:21,846 INFO L264 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse2) (or (= 0 __utac_acc__Specification3_spec__1_~tmp~6) (not (<= ~waterLevel~0 2)) (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-07-07 10:46:21,846 INFO L268 CegarLoopResult]: For program point L510-1(line 510) no Hoare annotation was computed. [2020-07-07 10:46:21,847 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 493 525) no Hoare annotation was computed. [2020-07-07 10:46:21,847 INFO L268 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-07-07 10:46:21,847 INFO L268 CegarLoopResult]: For program point L508-1(lines 493 525) no Hoare annotation was computed. [2020-07-07 10:46:21,847 INFO L264 CegarLoopResult]: At program point L506(line 506) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (= 0 __utac_acc__Specification3_spec__1_~tmp~6)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 (not (<= 1 ~pumpRunning~0)) .cse3))) [2020-07-07 10:46:21,847 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 493 525) the Hoare annotation is: true [2020-07-07 10:46:21,847 INFO L268 CegarLoopResult]: For program point L506-1(line 506) no Hoare annotation was computed. [2020-07-07 10:46:21,847 INFO L268 CegarLoopResult]: For program point L502(lines 502 522) no Hoare annotation was computed. [2020-07-07 10:46:21,847 INFO L271 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: true [2020-07-07 10:46:21,847 INFO L268 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-07-07 10:46:21,848 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (<= 1 ~pumpRunning~0)) .cse0))) [2020-07-07 10:46:21,848 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 392 403) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-07-07 10:46:21,848 INFO L268 CegarLoopResult]: For program point L396-1(lines 392 403) no Hoare annotation was computed. [2020-07-07 10:46:21,848 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 392 403) no Hoare annotation was computed. [2020-07-07 10:46:21,848 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2020-07-07 10:46:21,848 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2020-07-07 10:46:21,848 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:21,848 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:46:21,849 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:46:21,849 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:21,849 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 201 225) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:46:21,849 INFO L264 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:46:21,849 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 201 225) no Hoare annotation was computed. [2020-07-07 10:46:21,849 INFO L268 CegarLoopResult]: For program point L220-1(lines 201 225) no Hoare annotation was computed. [2020-07-07 10:46:21,849 INFO L264 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or (not (<= ~waterLevel~0 2)) .cse0 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2020-07-07 10:46:21,849 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (not (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1)) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:46:21,850 INFO L268 CegarLoopResult]: For program point L209(lines 209 217) no Hoare annotation was computed. [2020-07-07 10:46:21,850 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-07 10:46:21,850 INFO L268 CegarLoopResult]: For program point L207-1(line 207) no Hoare annotation was computed. [2020-07-07 10:46:21,850 INFO L268 CegarLoopResult]: For program point L205(lines 205 222) no Hoare annotation was computed. [2020-07-07 10:46:21,850 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 404 415) no Hoare annotation was computed. [2020-07-07 10:46:21,850 INFO L268 CegarLoopResult]: For program point L408-1(lines 404 415) no Hoare annotation was computed. [2020-07-07 10:46:21,850 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 404 415) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse2) (or (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 .cse3 .cse2))) [2020-07-07 10:46:21,850 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:46:21,851 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-07 10:46:21,851 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-07 10:46:21,851 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:46:21,851 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 227 251) no Hoare annotation was computed. [2020-07-07 10:46:21,851 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 227 251) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:46:21,851 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-07 10:46:21,852 INFO L268 CegarLoopResult]: For program point L246-1(lines 227 251) no Hoare annotation was computed. [2020-07-07 10:46:21,852 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:46:21,852 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:46:21,852 INFO L268 CegarLoopResult]: For program point L235(lines 235 243) no Hoare annotation was computed. [2020-07-07 10:46:21,852 INFO L264 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-07 10:46:21,852 INFO L268 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-07-07 10:46:21,852 INFO L268 CegarLoopResult]: For program point L231(lines 231 248) no Hoare annotation was computed. [2020-07-07 10:46:21,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:46:21 BoogieIcfgContainer [2020-07-07 10:46:21,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:46:21,872 INFO L168 Benchmark]: Toolchain (without parser) took 99633.23 ms. Allocated memory was 146.3 MB in the beginning and 1.0 GB in the end (delta: 886.0 MB). Free memory was 103.0 MB in the beginning and 771.7 MB in the end (delta: -668.7 MB). Peak memory consumption was 911.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:21,872 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:46:21,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.96 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 102.8 MB in the beginning and 169.9 MB in the end (delta: -67.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:21,873 INFO L168 Benchmark]: Boogie Preprocessor took 95.24 ms. Allocated memory is still 202.4 MB. Free memory was 169.9 MB in the beginning and 165.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:21,873 INFO L168 Benchmark]: RCFGBuilder took 1141.53 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 165.2 MB in the beginning and 192.7 MB in the end (delta: -27.5 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:21,874 INFO L168 Benchmark]: TraceAbstraction took 97685.63 ms. Allocated memory was 236.5 MB in the beginning and 1.0 GB in the end (delta: 795.9 MB). Free memory was 192.7 MB in the beginning and 771.7 MB in the end (delta: -579.0 MB). Peak memory consumption was 910.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:21,876 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.96 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 102.8 MB in the beginning and 169.9 MB in the end (delta: -67.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.24 ms. Allocated memory is still 202.4 MB. Free memory was 169.9 MB in the beginning and 165.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1141.53 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 165.2 MB in the beginning and 192.7 MB in the end (delta: -27.5 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 97685.63 ms. Allocated memory was 236.5 MB in the beginning and 1.0 GB in the end (delta: 795.9 MB). Free memory was 192.7 MB in the beginning and 771.7 MB in the end (delta: -579.0 MB). Peak memory consumption was 910.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 101]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && waterLevel <= 2) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && waterLevel <= 1)) || !(1 == systemActive) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 55.9s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 48.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 41.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1753 SDtfs, 4967 SDslu, 2768 SDs, 0 SdLazy, 12816 SolverSat, 3462 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 843 GetRequests, 637 SyntacticMatches, 0 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1631 ImplicationChecksByTransitivity, 20.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=835occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 472 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2864 PreInvPairs, 3443 NumberOfFragments, 1998 HoareAnnotationTreeSize, 2864 FomulaSimplifications, 9250082 FormulaSimplificationTreeSizeReduction, 12.8s HoareSimplificationTime, 67 FomulaSimplificationsInter, 310107 FormulaSimplificationTreeSizeReductionInter, 28.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1255 NumberOfCodeBlocks, 1255 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1242 ConstructedInterpolants, 0 QuantifiedInterpolants, 418249 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1698 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 102/120 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...