/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_spec5_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:52:40,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:52:40,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:52:40,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:52:40,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:52:40,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:52:40,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:52:40,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:52:40,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:52:40,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:52:40,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:52:40,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:52:40,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:52:40,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:52:40,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:52:40,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:52:40,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:52:41,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:52:41,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:52:41,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:52:41,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:52:41,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:52:41,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:52:41,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:52:41,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:52:41,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:52:41,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:52:41,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:52:41,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:52:41,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:52:41,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:52:41,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:52:41,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:52:41,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:52:41,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:52:41,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:52:41,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:52:41,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:52:41,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:52:41,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:52:41,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:52:41,034 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 10:52:41,056 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:52:41,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:52:41,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:52:41,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:52:41,058 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:52:41,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:52:41,059 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:52:41,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:52:41,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:52:41,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:52:41,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:52:41,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:52:41,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:52:41,061 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:52:41,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:52:41,062 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:52:41,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:52:41,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:52:41,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:52:41,062 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:52:41,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:52:41,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:52:41,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:52:41,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:52:41,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:52:41,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:52:41,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:52:41,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:52:41,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:52:41,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:52:41,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:52:41,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:52:41,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:52:41,347 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:52:41,347 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:52:41,348 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-07-07 10:52:41,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a684069d8/539bcb28a5df4340833d267e84305c8a/FLAGf56c93396 [2020-07-07 10:52:41,975 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:52:41,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-07-07 10:52:41,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a684069d8/539bcb28a5df4340833d267e84305c8a/FLAGf56c93396 [2020-07-07 10:52:42,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a684069d8/539bcb28a5df4340833d267e84305c8a [2020-07-07 10:52:42,285 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:52:42,287 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:52:42,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:52:42,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:52:42,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:52:42,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:52:42" (1/1) ... [2020-07-07 10:52:42,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d47265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:42, skipping insertion in model container [2020-07-07 10:52:42,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:52:42" (1/1) ... [2020-07-07 10:52:42,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:52:42,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:52:42,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:52:42,900 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:52:42,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:52:43,036 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:52:43,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:43 WrapperNode [2020-07-07 10:52:43,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:52:43,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:52:43,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:52:43,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:52:43,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:43" (1/1) ... [2020-07-07 10:52:43,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:43" (1/1) ... [2020-07-07 10:52:43,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:43" (1/1) ... [2020-07-07 10:52:43,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:43" (1/1) ... [2020-07-07 10:52:43,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:43" (1/1) ... [2020-07-07 10:52:43,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:43" (1/1) ... [2020-07-07 10:52:43,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:43" (1/1) ... [2020-07-07 10:52:43,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:52:43,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:52:43,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:52:43,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:52:43,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:43" (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 10:52:43,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:52:43,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:52:43,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:52:43,218 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:52:43,218 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:52:43,218 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:52:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:52:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:52:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:52:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:52:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:52:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:52:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:52:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:52:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:52:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:52:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:52:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:52:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:52:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:52:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:52:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:52:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:52:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:52:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:52:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:52:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:52:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:52:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:52:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:52:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:52:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:52:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:52:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:52:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:52:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:52:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:52:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:52:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:52:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:52:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:52:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:52:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:52:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:52:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:52:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:52:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:52:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:52:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:52:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:52:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:52:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:52:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:52:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:52:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:52:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:52:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:52:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:52:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:52:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:52:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:52:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:52:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:52:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:52:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:52:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:52:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:52:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:52:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:52:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:52:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:52:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:52:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:52:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:52:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:52:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:52:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:52:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:52:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:52:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:52:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:52:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:52:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:52:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:52:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:52:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:52:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:52:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:52:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:52:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:52:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:52:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:52:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:52:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:52:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:52:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:52:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:52:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:52:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:52:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:52:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:52:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:52:44,557 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:52:44,558 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:52:44,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:52:44 BoogieIcfgContainer [2020-07-07 10:52:44,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:52:44,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:52:44,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:52:44,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:52:44,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:52:42" (1/3) ... [2020-07-07 10:52:44,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27542a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:52:44, skipping insertion in model container [2020-07-07 10:52:44,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:43" (2/3) ... [2020-07-07 10:52:44,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27542a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:52:44, skipping insertion in model container [2020-07-07 10:52:44,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:52:44" (3/3) ... [2020-07-07 10:52:44,573 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2020-07-07 10:52:44,585 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:52:44,594 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:52:44,612 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:52:44,641 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:52:44,641 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:52:44,641 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:52:44,641 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:52:44,642 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:52:44,642 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:52:44,642 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:52:44,642 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:52:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-07-07 10:52:44,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:52:44,680 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:44,681 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:44,682 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:44,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:44,688 INFO L82 PathProgramCache]: Analyzing trace with hash -748532366, now seen corresponding path program 1 times [2020-07-07 10:52:44,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:44,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699402468] [2020-07-07 10:52:44,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,437 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:45,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:45,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699402468] [2020-07-07 10:52:45,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:45,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:52:45,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426083492] [2020-07-07 10:52:45,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:52:45,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:45,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:52:45,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:52:45,632 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2020-07-07 10:52:46,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:46,746 INFO L93 Difference]: Finished difference Result 357 states and 456 transitions. [2020-07-07 10:52:46,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:52:46,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:52:46,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:46,764 INFO L225 Difference]: With dead ends: 357 [2020-07-07 10:52:46,764 INFO L226 Difference]: Without dead ends: 195 [2020-07-07 10:52:46,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:52:46,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-07-07 10:52:46,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2020-07-07 10:52:46,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-07 10:52:46,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2020-07-07 10:52:46,870 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 59 [2020-07-07 10:52:46,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:46,870 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2020-07-07 10:52:46,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:52:46,871 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2020-07-07 10:52:46,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-07 10:52:46,875 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:46,875 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:46,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:52:46,876 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:46,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:46,876 INFO L82 PathProgramCache]: Analyzing trace with hash -733015768, now seen corresponding path program 1 times [2020-07-07 10:52:46,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:46,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336708818] [2020-07-07 10:52:46,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:47,260 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:47,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:47,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336708818] [2020-07-07 10:52:47,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:47,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:52:47,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685187740] [2020-07-07 10:52:47,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:52:47,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:47,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:52:47,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:52:47,421 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 9 states. [2020-07-07 10:52:47,816 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:48,148 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:48,417 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:48,672 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:50,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:50,184 INFO L93 Difference]: Finished difference Result 330 states and 411 transitions. [2020-07-07 10:52:50,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:52:50,189 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-07 10:52:50,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:50,193 INFO L225 Difference]: With dead ends: 330 [2020-07-07 10:52:50,195 INFO L226 Difference]: Without dead ends: 195 [2020-07-07 10:52:50,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:52:50,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-07-07 10:52:50,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2020-07-07 10:52:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-07 10:52:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 192 transitions. [2020-07-07 10:52:50,255 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 192 transitions. Word has length 64 [2020-07-07 10:52:50,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:50,255 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 192 transitions. [2020-07-07 10:52:50,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:52:50,256 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 192 transitions. [2020-07-07 10:52:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-07 10:52:50,258 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:50,258 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:50,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:52:50,259 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:50,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:50,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1142393912, now seen corresponding path program 1 times [2020-07-07 10:52:50,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:50,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274537481] [2020-07-07 10:52:50,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,542 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:50,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:50,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274537481] [2020-07-07 10:52:50,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:50,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:52:50,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41333308] [2020-07-07 10:52:50,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:52:50,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:50,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:52:50,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:52:50,613 INFO L87 Difference]: Start difference. First operand 163 states and 192 transitions. Second operand 6 states. [2020-07-07 10:52:51,054 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:52,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:52,228 INFO L93 Difference]: Finished difference Result 317 states and 394 transitions. [2020-07-07 10:52:52,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:52:52,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2020-07-07 10:52:52,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:52,236 INFO L225 Difference]: With dead ends: 317 [2020-07-07 10:52:52,237 INFO L226 Difference]: Without dead ends: 200 [2020-07-07 10:52:52,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:52:52,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-07-07 10:52:52,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 154. [2020-07-07 10:52:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-07 10:52:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 180 transitions. [2020-07-07 10:52:52,274 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 180 transitions. Word has length 78 [2020-07-07 10:52:52,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:52,274 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 180 transitions. [2020-07-07 10:52:52,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:52:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 180 transitions. [2020-07-07 10:52:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-07 10:52:52,276 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:52,277 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:52,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:52:52,277 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:52,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:52,278 INFO L82 PathProgramCache]: Analyzing trace with hash 330531379, now seen corresponding path program 1 times [2020-07-07 10:52:52,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:52,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406500623] [2020-07-07 10:52:52,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,566 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:52,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406500623] [2020-07-07 10:52:52,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:52,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:52:52,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365615196] [2020-07-07 10:52:52,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:52:52,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:52,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:52:52,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:52:52,698 INFO L87 Difference]: Start difference. First operand 154 states and 180 transitions. Second operand 7 states. [2020-07-07 10:52:53,032 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:54,454 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:55,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:55,010 INFO L93 Difference]: Finished difference Result 424 states and 525 transitions. [2020-07-07 10:52:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:52:55,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2020-07-07 10:52:55,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:55,015 INFO L225 Difference]: With dead ends: 424 [2020-07-07 10:52:55,015 INFO L226 Difference]: Without dead ends: 298 [2020-07-07 10:52:55,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:52:55,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-07-07 10:52:55,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 255. [2020-07-07 10:52:55,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-07-07 10:52:55,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 290 transitions. [2020-07-07 10:52:55,094 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 290 transitions. Word has length 82 [2020-07-07 10:52:55,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:55,095 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 290 transitions. [2020-07-07 10:52:55,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:52:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 290 transitions. [2020-07-07 10:52:55,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-07 10:52:55,097 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:55,097 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:55,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:52:55,105 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:55,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:55,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1154984362, now seen corresponding path program 1 times [2020-07-07 10:52:55,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:55,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493154390] [2020-07-07 10:52:55,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,440 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:52:55,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493154390] [2020-07-07 10:52:55,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:55,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:52:55,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083948950] [2020-07-07 10:52:55,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:52:55,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:55,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:52:55,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:52:55,599 INFO L87 Difference]: Start difference. First operand 255 states and 290 transitions. Second operand 9 states. [2020-07-07 10:52:56,007 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:56,652 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:57,552 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:57,840 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:58,244 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:58,469 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:59,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:59,125 INFO L93 Difference]: Finished difference Result 524 states and 626 transitions. [2020-07-07 10:52:59,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:52:59,126 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2020-07-07 10:52:59,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:59,130 INFO L225 Difference]: With dead ends: 524 [2020-07-07 10:52:59,130 INFO L226 Difference]: Without dead ends: 297 [2020-07-07 10:52:59,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:52:59,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-07-07 10:52:59,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 254. [2020-07-07 10:52:59,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-07-07 10:52:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 287 transitions. [2020-07-07 10:52:59,179 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 287 transitions. Word has length 96 [2020-07-07 10:52:59,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:59,180 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 287 transitions. [2020-07-07 10:52:59,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:52:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 287 transitions. [2020-07-07 10:52:59,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-07 10:52:59,182 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:59,182 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:59,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:52:59,183 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:59,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:59,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1590195415, now seen corresponding path program 1 times [2020-07-07 10:52:59,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:59,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897279311] [2020-07-07 10:52:59,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,469 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:59,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897279311] [2020-07-07 10:52:59,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:59,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:52:59,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323266869] [2020-07-07 10:52:59,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:52:59,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:59,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:52:59,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:52:59,686 INFO L87 Difference]: Start difference. First operand 254 states and 287 transitions. Second operand 9 states. [2020-07-07 10:53:00,701 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:00,938 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:01,189 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:01,423 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:02,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:02,324 INFO L93 Difference]: Finished difference Result 524 states and 631 transitions. [2020-07-07 10:53:02,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:53:02,325 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-07-07 10:53:02,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:02,327 INFO L225 Difference]: With dead ends: 524 [2020-07-07 10:53:02,328 INFO L226 Difference]: Without dead ends: 298 [2020-07-07 10:53:02,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:53:02,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-07-07 10:53:02,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 259. [2020-07-07 10:53:02,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-07-07 10:53:02,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 292 transitions. [2020-07-07 10:53:02,371 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 292 transitions. Word has length 112 [2020-07-07 10:53:02,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:02,372 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 292 transitions. [2020-07-07 10:53:02,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:53:02,372 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 292 transitions. [2020-07-07 10:53:02,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-07 10:53:02,373 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:02,373 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:02,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:53:02,374 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:02,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:02,374 INFO L82 PathProgramCache]: Analyzing trace with hash -765609835, now seen corresponding path program 1 times [2020-07-07 10:53:02,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:02,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170298782] [2020-07-07 10:53:02,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,632 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:53:02,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170298782] [2020-07-07 10:53:02,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:02,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:53:02,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846426368] [2020-07-07 10:53:02,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:53:02,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:02,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:53:02,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:53:02,843 INFO L87 Difference]: Start difference. First operand 259 states and 292 transitions. Second operand 11 states. [2020-07-07 10:53:03,316 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:03,553 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:03,777 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:04,437 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:04,691 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:04,928 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:05,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:05,986 INFO L93 Difference]: Finished difference Result 534 states and 642 transitions. [2020-07-07 10:53:05,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:53:05,988 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 112 [2020-07-07 10:53:05,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:05,990 INFO L225 Difference]: With dead ends: 534 [2020-07-07 10:53:05,991 INFO L226 Difference]: Without dead ends: 303 [2020-07-07 10:53:05,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:53:05,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-07-07 10:53:06,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 263. [2020-07-07 10:53:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-07-07 10:53:06,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 296 transitions. [2020-07-07 10:53:06,035 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 296 transitions. Word has length 112 [2020-07-07 10:53:06,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:06,035 INFO L479 AbstractCegarLoop]: Abstraction has 263 states and 296 transitions. [2020-07-07 10:53:06,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:53:06,036 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 296 transitions. [2020-07-07 10:53:06,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-07 10:53:06,037 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:06,037 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:06,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:53:06,038 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:06,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:06,038 INFO L82 PathProgramCache]: Analyzing trace with hash 3560180, now seen corresponding path program 1 times [2020-07-07 10:53:06,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:06,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464411869] [2020-07-07 10:53:06,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,353 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:53:06,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464411869] [2020-07-07 10:53:06,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:06,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:53:06,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350296679] [2020-07-07 10:53:06,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:53:06,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:06,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:53:06,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:53:06,568 INFO L87 Difference]: Start difference. First operand 263 states and 296 transitions. Second operand 7 states. [2020-07-07 10:53:06,907 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:07,463 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:09,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:09,398 INFO L93 Difference]: Finished difference Result 713 states and 879 transitions. [2020-07-07 10:53:09,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:53:09,398 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 112 [2020-07-07 10:53:09,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:09,403 INFO L225 Difference]: With dead ends: 713 [2020-07-07 10:53:09,403 INFO L226 Difference]: Without dead ends: 478 [2020-07-07 10:53:09,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:53:09,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-07-07 10:53:09,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 440. [2020-07-07 10:53:09,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2020-07-07 10:53:09,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 512 transitions. [2020-07-07 10:53:09,476 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 512 transitions. Word has length 112 [2020-07-07 10:53:09,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:09,477 INFO L479 AbstractCegarLoop]: Abstraction has 440 states and 512 transitions. [2020-07-07 10:53:09,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:53:09,477 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 512 transitions. [2020-07-07 10:53:09,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-07 10:53:09,479 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:09,479 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:09,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:53:09,479 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:09,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:09,480 INFO L82 PathProgramCache]: Analyzing trace with hash -427651474, now seen corresponding path program 1 times [2020-07-07 10:53:09,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:09,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44975089] [2020-07-07 10:53:09,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,791 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:53:09,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44975089] [2020-07-07 10:53:09,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:09,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:53:09,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905837713] [2020-07-07 10:53:09,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:53:09,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:09,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:53:09,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:53:09,953 INFO L87 Difference]: Start difference. First operand 440 states and 512 transitions. Second operand 12 states. [2020-07-07 10:53:10,734 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:11,567 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:12,590 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:12,913 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:13,159 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:13,426 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:13,705 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:15,258 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:15,637 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:16,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:16,612 INFO L93 Difference]: Finished difference Result 1217 states and 1501 transitions. [2020-07-07 10:53:16,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:53:16,619 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 116 [2020-07-07 10:53:16,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:16,624 INFO L225 Difference]: With dead ends: 1217 [2020-07-07 10:53:16,625 INFO L226 Difference]: Without dead ends: 880 [2020-07-07 10:53:16,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 10:53:16,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-07-07 10:53:16,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 767. [2020-07-07 10:53:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2020-07-07 10:53:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 883 transitions. [2020-07-07 10:53:16,743 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 883 transitions. Word has length 116 [2020-07-07 10:53:16,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:16,744 INFO L479 AbstractCegarLoop]: Abstraction has 767 states and 883 transitions. [2020-07-07 10:53:16,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:53:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 883 transitions. [2020-07-07 10:53:16,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-07 10:53:16,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:16,748 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:16,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:53:16,748 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:16,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:16,749 INFO L82 PathProgramCache]: Analyzing trace with hash -701597495, now seen corresponding path program 1 times [2020-07-07 10:53:16,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:16,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011031224] [2020-07-07 10:53:16,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,147 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-07 10:53:17,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011031224] [2020-07-07 10:53:17,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816406636] [2020-07-07 10:53:17,449 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 10:53:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,716 INFO L264 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:53:17,755 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:53:17,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:17,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:53:17,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735116063] [2020-07-07 10:53:17,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:53:17,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:17,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:53:17,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:53:17,990 INFO L87 Difference]: Start difference. First operand 767 states and 883 transitions. Second operand 20 states. [2020-07-07 10:53:19,228 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:19,643 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:19,913 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:20,180 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:20,768 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:21,041 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:21,396 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:53:22,244 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:22,835 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:23,597 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:53:23,865 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:24,184 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:24,777 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:25,178 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:25,829 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:26,370 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:53:26,851 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:27,422 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:28,086 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:53:28,368 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:28,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:28,601 INFO L93 Difference]: Finished difference Result 1660 states and 1974 transitions. [2020-07-07 10:53:28,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-07 10:53:28,602 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 193 [2020-07-07 10:53:28,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:28,609 INFO L225 Difference]: With dead ends: 1660 [2020-07-07 10:53:28,609 INFO L226 Difference]: Without dead ends: 992 [2020-07-07 10:53:28,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=765, Invalid=3141, Unknown=0, NotChecked=0, Total=3906 [2020-07-07 10:53:28,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2020-07-07 10:53:28,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 897. [2020-07-07 10:53:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2020-07-07 10:53:28,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1042 transitions. [2020-07-07 10:53:28,768 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1042 transitions. Word has length 193 [2020-07-07 10:53:28,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:28,768 INFO L479 AbstractCegarLoop]: Abstraction has 897 states and 1042 transitions. [2020-07-07 10:53:28,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:53:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1042 transitions. [2020-07-07 10:53:28,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-07-07 10:53:28,775 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:28,776 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:28,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:53:28,991 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:28,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:28,992 INFO L82 PathProgramCache]: Analyzing trace with hash 833806897, now seen corresponding path program 1 times [2020-07-07 10:53:28,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:28,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782912822] [2020-07-07 10:53:28,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,330 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,994 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2020-07-07 10:53:29,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782912822] [2020-07-07 10:53:29,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305700101] [2020-07-07 10:53:29,995 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 10:53:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:30,267 INFO L264 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:53:30,280 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 239 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-07-07 10:53:30,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:30,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2020-07-07 10:53:30,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386626841] [2020-07-07 10:53:30,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-07 10:53:30,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:30,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-07 10:53:30,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:53:30,564 INFO L87 Difference]: Start difference. First operand 897 states and 1042 transitions. Second operand 24 states. [2020-07-07 10:53:31,545 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:32,390 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:32,707 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:33,091 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:34,042 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:34,455 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:35,368 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:35,802 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:36,179 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:36,457 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:36,744 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:37,144 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:37,463 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:37,771 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:38,128 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:38,419 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:38,709 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:39,125 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:39,461 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:39,783 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:40,064 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:40,341 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:40,782 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:41,165 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:43,675 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:43,997 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:44,289 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:44,570 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:45,108 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 10:53:45,400 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:45,899 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 10:53:46,170 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:51,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:51,699 INFO L93 Difference]: Finished difference Result 3329 states and 4541 transitions. [2020-07-07 10:53:51,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2020-07-07 10:53:51,700 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 331 [2020-07-07 10:53:51,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:51,714 INFO L225 Difference]: With dead ends: 3329 [2020-07-07 10:53:51,715 INFO L226 Difference]: Without dead ends: 2468 [2020-07-07 10:53:51,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 454 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3915 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=1733, Invalid=9609, Unknown=0, NotChecked=0, Total=11342 [2020-07-07 10:53:51,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2468 states. [2020-07-07 10:53:52,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2468 to 1773. [2020-07-07 10:53:52,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1773 states. [2020-07-07 10:53:52,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2006 transitions. [2020-07-07 10:53:52,122 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2006 transitions. Word has length 331 [2020-07-07 10:53:52,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:52,126 INFO L479 AbstractCegarLoop]: Abstraction has 1773 states and 2006 transitions. [2020-07-07 10:53:52,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-07 10:53:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2006 transitions. [2020-07-07 10:53:52,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-07-07 10:53:52,141 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:52,141 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:52,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:52,357 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:52,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:52,357 INFO L82 PathProgramCache]: Analyzing trace with hash 85766003, now seen corresponding path program 1 times [2020-07-07 10:53:52,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:52,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575887247] [2020-07-07 10:53:52,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:52,723 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:53,647 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 40 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-07-07 10:53:53,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575887247] [2020-07-07 10:53:53,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530395068] [2020-07-07 10:53:53,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:54,070 INFO L264 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:53:54,085 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:54,322 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-07-07 10:53:54,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:53:54,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-07 10:53:54,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020413021] [2020-07-07 10:53:54,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:53:54,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:54,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:53:54,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:53:54,326 INFO L87 Difference]: Start difference. First operand 1773 states and 2006 transitions. Second operand 8 states. [2020-07-07 10:53:54,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:54,937 INFO L93 Difference]: Finished difference Result 3256 states and 3704 transitions. [2020-07-07 10:53:54,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:53:54,937 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 347 [2020-07-07 10:53:54,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:54,947 INFO L225 Difference]: With dead ends: 3256 [2020-07-07 10:53:54,947 INFO L226 Difference]: Without dead ends: 1681 [2020-07-07 10:53:54,952 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 458 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:53:54,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2020-07-07 10:53:55,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1652. [2020-07-07 10:53:55,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2020-07-07 10:53:55,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 1860 transitions. [2020-07-07 10:53:55,286 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 1860 transitions. Word has length 347 [2020-07-07 10:53:55,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:55,287 INFO L479 AbstractCegarLoop]: Abstraction has 1652 states and 1860 transitions. [2020-07-07 10:53:55,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:53:55,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1860 transitions. [2020-07-07 10:53:55,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-07-07 10:53:55,298 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:55,299 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:55,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-07 10:53:55,515 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:55,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:55,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1466793019, now seen corresponding path program 1 times [2020-07-07 10:53:55,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:55,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007053945] [2020-07-07 10:53:55,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:55,875 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,359 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 91 proven. 28 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-07-07 10:53:56,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007053945] [2020-07-07 10:53:56,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255820644] [2020-07-07 10:53:56,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:56,585 INFO L264 TraceCheckSpWp]: Trace formula consists of 1387 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:53:56,592 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-07-07 10:53:56,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:53:56,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-07 10:53:56,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729514144] [2020-07-07 10:53:56,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:53:56,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:56,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:53:56,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:53:56,802 INFO L87 Difference]: Start difference. First operand 1652 states and 1860 transitions. Second operand 8 states. [2020-07-07 10:53:57,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:57,288 INFO L93 Difference]: Finished difference Result 2969 states and 3363 transitions. [2020-07-07 10:53:57,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:53:57,289 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 351 [2020-07-07 10:53:57,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:57,297 INFO L225 Difference]: With dead ends: 2969 [2020-07-07 10:53:57,297 INFO L226 Difference]: Without dead ends: 1515 [2020-07-07 10:53:57,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 469 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:53:57,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2020-07-07 10:53:57,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2020-07-07 10:53:57,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-07-07 10:53:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 1705 transitions. [2020-07-07 10:53:57,579 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 1705 transitions. Word has length 351 [2020-07-07 10:53:57,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:57,580 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 1705 transitions. [2020-07-07 10:53:57,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:53:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1705 transitions. [2020-07-07 10:53:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-07-07 10:53:57,588 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:57,589 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:57,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:57,804 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:57,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:57,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1268795149, now seen corresponding path program 2 times [2020-07-07 10:53:57,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:57,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898597196] [2020-07-07 10:53:57,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,111 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:58,572 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 89 proven. 48 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2020-07-07 10:53:58,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898597196] [2020-07-07 10:53:58,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482183631] [2020-07-07 10:53:58,573 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:58,964 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-07 10:53:58,964 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-07 10:53:58,970 INFO L264 TraceCheckSpWp]: Trace formula consists of 1387 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-07 10:53:58,986 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:59,308 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 275 proven. 18 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-07 10:53:59,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:59,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 23 [2020-07-07 10:53:59,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529159276] [2020-07-07 10:53:59,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-07 10:53:59,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:59,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-07 10:53:59,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:53:59,313 INFO L87 Difference]: Start difference. First operand 1515 states and 1705 transitions. Second operand 23 states. [2020-07-07 10:54:00,165 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:54:00,734 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:54:01,225 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:54:01,734 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:54:02,633 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:54:04,007 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:54:04,484 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:54:05,071 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:54:05,825 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:06,963 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:07,219 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:08,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:54:08,274 INFO L93 Difference]: Finished difference Result 3117 states and 3700 transitions. [2020-07-07 10:54:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-07 10:54:08,275 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 351 [2020-07-07 10:54:08,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:54:08,284 INFO L225 Difference]: With dead ends: 3117 [2020-07-07 10:54:08,284 INFO L226 Difference]: Without dead ends: 1800 [2020-07-07 10:54:08,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=500, Invalid=2256, Unknown=0, NotChecked=0, Total=2756 [2020-07-07 10:54:08,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2020-07-07 10:54:08,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 1515. [2020-07-07 10:54:08,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-07-07 10:54:08,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 1702 transitions. [2020-07-07 10:54:08,705 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 1702 transitions. Word has length 351 [2020-07-07 10:54:08,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:54:08,705 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 1702 transitions. [2020-07-07 10:54:08,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-07 10:54:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1702 transitions. [2020-07-07 10:54:08,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-07-07 10:54:08,711 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:54:08,711 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:54:08,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-07 10:54:08,928 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:54:08,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:54:08,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1888350205, now seen corresponding path program 1 times [2020-07-07 10:54:08,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:54:08,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981108899] [2020-07-07 10:54:08,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:54:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,247 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:54:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,853 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 91 proven. 45 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-07-07 10:54:09,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981108899] [2020-07-07 10:54:09,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862063696] [2020-07-07 10:54:09,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:54:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:10,088 INFO L264 TraceCheckSpWp]: Trace formula consists of 1387 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-07 10:54:10,096 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:54:10,307 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 202 proven. 16 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-07-07 10:54:10,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:54:10,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8] total 19 [2020-07-07 10:54:10,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805304468] [2020-07-07 10:54:10,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 10:54:10,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:54:10,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 10:54:10,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:54:10,309 INFO L87 Difference]: Start difference. First operand 1515 states and 1702 transitions. Second operand 19 states. [2020-07-07 10:54:10,774 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:54:11,480 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:54:12,156 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:54:12,846 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:54:13,366 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:54:13,899 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:54:14,165 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:54:16,483 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:54:17,087 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:54:17,640 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 10:54:18,171 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 10:54:21,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:54:21,318 INFO L93 Difference]: Finished difference Result 3723 states and 4799 transitions. [2020-07-07 10:54:21,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-07-07 10:54:21,319 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 352 [2020-07-07 10:54:21,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:54:21,337 INFO L225 Difference]: With dead ends: 3723 [2020-07-07 10:54:21,338 INFO L226 Difference]: Without dead ends: 2993 [2020-07-07 10:54:21,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 515 SyntacticMatches, 4 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1741 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=1134, Invalid=4268, Unknown=0, NotChecked=0, Total=5402 [2020-07-07 10:54:21,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2020-07-07 10:54:21,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1966. [2020-07-07 10:54:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2020-07-07 10:54:21,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 2215 transitions. [2020-07-07 10:54:21,831 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 2215 transitions. Word has length 352 [2020-07-07 10:54:21,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:54:21,831 INFO L479 AbstractCegarLoop]: Abstraction has 1966 states and 2215 transitions. [2020-07-07 10:54:21,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 10:54:21,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2215 transitions. [2020-07-07 10:54:21,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2020-07-07 10:54:21,839 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:54:21,839 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:54:22,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:54:22,054 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:54:22,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:54:22,055 INFO L82 PathProgramCache]: Analyzing trace with hash 684440100, now seen corresponding path program 1 times [2020-07-07 10:54:22,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:54:22,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396941091] [2020-07-07 10:54:22,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:54:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,408 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:54:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 114 proven. 73 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2020-07-07 10:54:23,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396941091] [2020-07-07 10:54:23,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74300498] [2020-07-07 10:54:23,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:54:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,319 INFO L264 TraceCheckSpWp]: Trace formula consists of 1562 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-07 10:54:23,328 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:54:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 257 proven. 49 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-07-07 10:54:23,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:54:23,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 27 [2020-07-07 10:54:23,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369587896] [2020-07-07 10:54:23,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-07 10:54:23,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:54:23,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-07 10:54:23,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:54:23,758 INFO L87 Difference]: Start difference. First operand 1966 states and 2215 transitions. Second operand 27 states. [2020-07-07 10:54:24,628 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 10:54:25,553 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:54:26,422 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:54:27,488 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:54:27,869 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:28,228 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:30,483 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-07 10:54:31,059 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:54:31,640 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:54:32,146 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:54:34,170 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-07 10:54:35,420 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:54:36,367 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-07 10:54:36,957 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:54:37,562 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:54:46,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:54:46,539 INFO L93 Difference]: Finished difference Result 7228 states and 9504 transitions. [2020-07-07 10:54:46,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2020-07-07 10:54:46,540 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 425 [2020-07-07 10:54:46,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:54:46,542 INFO L225 Difference]: With dead ends: 7228 [2020-07-07 10:54:46,542 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:54:46,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 623 SyntacticMatches, 7 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4542 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=2478, Invalid=10404, Unknown=0, NotChecked=0, Total=12882 [2020-07-07 10:54:46,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:54:46,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:54:46,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:54:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:54:46,565 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 425 [2020-07-07 10:54:46,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:54:46,565 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:54:46,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-07 10:54:46,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:54:46,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:54:46,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-07-07 10:54:46,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:54:47,282 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-07-07 10:54:47,498 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-07-07 10:54:47,660 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-07-07 10:54:47,777 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-07-07 10:54:48,757 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-07-07 10:54:48,911 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-07-07 10:54:54,928 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 581 DAG size of output: 466 [2020-07-07 10:54:58,580 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-07-07 10:54:58,939 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:54:59,356 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-07-07 10:54:59,494 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-07-07 10:54:59,661 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:54:59,871 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:00,185 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:00,676 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-07-07 10:55:01,344 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:02,083 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-07-07 10:55:02,290 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:55:02,428 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:02,844 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:02,962 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:03,181 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:55:03,500 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:03,711 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:55:04,250 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:55:06,946 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-07-07 10:55:07,214 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:07,480 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:55:09,125 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:09,403 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:09,531 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:10,050 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-07-07 10:55:10,476 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-07-07 10:55:10,776 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:55:10,966 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:11,502 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-07-07 10:55:11,710 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:11,859 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:12,363 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:55:12,606 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:13,154 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-07-07 10:55:13,276 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:55:13,811 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:55:23,290 WARN L193 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 802 DAG size of output: 674 [2020-07-07 10:55:26,992 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-07-07 10:55:27,202 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-07-07 10:55:27,310 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:55:27,447 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:55:32,043 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-07-07 10:55:32,158 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 209 [2020-07-07 10:55:36,390 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 655 DAG size of output: 489 [2020-07-07 10:55:42,814 WARN L193 SmtUtils]: Spent 6.41 s on a formula simplification. DAG size of input: 894 DAG size of output: 762 [2020-07-07 10:55:49,104 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 259 DAG size of output: 47 [2020-07-07 10:55:49,463 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2020-07-07 10:55:49,887 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:55:50,092 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-07-07 10:55:51,305 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 239 DAG size of output: 40 [2020-07-07 10:55:53,435 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 220 DAG size of output: 71 [2020-07-07 10:55:55,336 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 231 DAG size of output: 36 [2020-07-07 10:55:58,471 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 374 DAG size of output: 39 [2020-07-07 10:55:59,602 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 215 DAG size of output: 41 [2020-07-07 10:55:59,849 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 24 [2020-07-07 10:56:00,071 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-07 10:56:00,296 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2020-07-07 10:56:00,513 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-07 10:56:00,739 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:56:02,226 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 227 DAG size of output: 40 [2020-07-07 10:56:02,449 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2020-07-07 10:56:05,399 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 402 DAG size of output: 49 [2020-07-07 10:56:06,023 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-07 10:56:07,203 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 399 DAG size of output: 1 [2020-07-07 10:56:09,329 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 343 DAG size of output: 37 [2020-07-07 10:56:09,978 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 30 [2020-07-07 10:56:10,593 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-07 10:56:10,823 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2020-07-07 10:56:12,119 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 245 DAG size of output: 41 [2020-07-07 10:56:13,092 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 30 [2020-07-07 10:56:19,435 WARN L193 SmtUtils]: Spent 6.34 s on a formula simplification. DAG size of input: 591 DAG size of output: 39 [2020-07-07 10:56:21,097 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 223 DAG size of output: 35 [2020-07-07 10:56:21,766 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 30 [2020-07-07 10:56:24,528 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 390 DAG size of output: 40 [2020-07-07 10:56:24,776 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:56:26,353 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-07 10:56:27,915 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-07-07 10:56:28,951 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 46 [2020-07-07 10:56:29,936 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 30 [2020-07-07 10:56:31,445 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 273 DAG size of output: 27 [2020-07-07 10:56:31,671 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:56:31,880 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-07 10:56:32,901 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 227 DAG size of output: 34 [2020-07-07 10:56:34,656 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 220 DAG size of output: 63 [2020-07-07 10:56:34,846 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-07 10:56:35,055 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-07 10:56:39,095 WARN L193 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 425 DAG size of output: 44 [2020-07-07 10:56:39,282 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-07-07 10:56:47,673 WARN L193 SmtUtils]: Spent 8.38 s on a formula simplification. DAG size of input: 677 DAG size of output: 42 [2020-07-07 10:56:48,025 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2020-07-07 10:56:48,227 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-07-07 10:56:48,591 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2020-07-07 10:56:48,798 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-07 10:56:48,994 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-07 10:56:49,188 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-07 10:56:49,397 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-07 10:56:49,599 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-07 10:56:50,837 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 239 DAG size of output: 40 [2020-07-07 10:56:52,475 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 232 DAG size of output: 36 [2020-07-07 10:56:54,156 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 176 DAG size of output: 28 [2020-07-07 10:56:54,377 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 31 [2020-07-07 10:56:54,601 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:56:55,949 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 228 DAG size of output: 39 [2020-07-07 10:56:55,955 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-07 10:56:55,955 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 565) no Hoare annotation was computed. [2020-07-07 10:56:55,955 INFO L268 CegarLoopResult]: For program point L566(lines 543 567) no Hoare annotation was computed. [2020-07-07 10:56:55,955 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 519 574) no Hoare annotation was computed. [2020-07-07 10:56:55,955 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 519 574) no Hoare annotation was computed. [2020-07-07 10:56:55,955 INFO L268 CegarLoopResult]: For program point L550(lines 550 554) no Hoare annotation was computed. [2020-07-07 10:56:55,956 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 554) no Hoare annotation was computed. [2020-07-07 10:56:55,956 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 519 574) no Hoare annotation was computed. [2020-07-07 10:56:55,956 INFO L268 CegarLoopResult]: For program point L607(lines 607 611) no Hoare annotation was computed. [2020-07-07 10:56:55,956 INFO L268 CegarLoopResult]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2020-07-07 10:56:55,956 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-07 10:56:55,956 INFO L268 CegarLoopResult]: For program point L601-2(lines 601 626) no Hoare annotation was computed. [2020-07-07 10:56:55,956 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 575 634) no Hoare annotation was computed. [2020-07-07 10:56:55,957 INFO L268 CegarLoopResult]: For program point L627(lines 600 628) no Hoare annotation was computed. [2020-07-07 10:56:55,957 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 575 634) no Hoare annotation was computed. [2020-07-07 10:56:55,957 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-07-07 10:56:55,957 INFO L268 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-07-07 10:56:55,957 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 575 634) no Hoare annotation was computed. [2020-07-07 10:56:55,957 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 904 910) the Hoare annotation is: true [2020-07-07 10:56:55,957 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 904 910) no Hoare annotation was computed. [2020-07-07 10:56:55,958 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 911 919) no Hoare annotation was computed. [2020-07-07 10:56:55,958 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 911 919) the Hoare annotation is: true [2020-07-07 10:56:55,958 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 911 919) no Hoare annotation was computed. [2020-07-07 10:56:55,958 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 835 842) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:56:55,958 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 835 842) no Hoare annotation was computed. [2020-07-07 10:56:55,958 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 835 842) no Hoare annotation was computed. [2020-07-07 10:56:55,958 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-07 10:56:55,959 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 843 852) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse7 .cse5 .cse2 .cse8 .cse4) (or .cse7 .cse0 .cse2 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse8 .cse4))) [2020-07-07 10:56:55,959 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 843 852) no Hoare annotation was computed. [2020-07-07 10:56:55,959 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 843 852) no Hoare annotation was computed. [2020-07-07 10:56:55,959 INFO L268 CegarLoopResult]: For program point L865(lines 865 875) no Hoare annotation was computed. [2020-07-07 10:56:55,959 INFO L264 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse8 (<= __utac_acc__Specification5_spec__3_~tmp~10 ~waterLevel~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 1 ~waterLevel~0)) .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse4) (or .cse5 .cse9 .cse3 .cse8 .cse4) (or .cse0 .cse9 .cse3 .cse8 .cse4) (or .cse5 .cse6 .cse7 .cse8 (not (<= ~waterLevel~0 0)) .cse4) (or .cse1 .cse5 .cse2 .cse7 .cse4))) [2020-07-07 10:56:55,960 INFO L268 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2020-07-07 10:56:55,960 INFO L268 CegarLoopResult]: For program point L861(lines 861 878) no Hoare annotation was computed. [2020-07-07 10:56:55,960 INFO L268 CegarLoopResult]: For program point L861-1(lines 853 881) no Hoare annotation was computed. [2020-07-07 10:56:55,960 INFO L271 CegarLoopResult]: At program point L859(line 859) the Hoare annotation is: true [2020-07-07 10:56:55,960 INFO L268 CegarLoopResult]: For program point L859-1(line 859) no Hoare annotation was computed. [2020-07-07 10:56:55,960 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 853 881) the Hoare annotation is: true [2020-07-07 10:56:55,961 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 853 881) no Hoare annotation was computed. [2020-07-07 10:56:55,961 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or .cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse4 .cse2) (or .cse0 .cse3 (not (<= 2 ~waterLevel~0)) .cse4 .cse2))) [2020-07-07 10:56:55,961 INFO L268 CegarLoopResult]: For program point L866(lines 866 872) no Hoare annotation was computed. [2020-07-07 10:56:55,961 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1003 1025) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:56:55,961 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1003 1025) no Hoare annotation was computed. [2020-07-07 10:56:55,961 INFO L264 CegarLoopResult]: At program point L1015(line 1015) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 main_~tmp~11) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:56:55,962 INFO L264 CegarLoopResult]: At program point L1015-1(line 1015) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 main_~tmp~11) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:56:55,962 INFO L268 CegarLoopResult]: For program point L1013(lines 1013 1020) no Hoare annotation was computed. [2020-07-07 10:56:55,962 INFO L268 CegarLoopResult]: For program point L1013-1(lines 1013 1020) no Hoare annotation was computed. [2020-07-07 10:56:55,962 INFO L268 CegarLoopResult]: For program point L1011(line 1011) no Hoare annotation was computed. [2020-07-07 10:56:55,962 INFO L264 CegarLoopResult]: At program point L1010(line 1010) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:56:55,962 INFO L264 CegarLoopResult]: At program point L1009(line 1009) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:56:55,963 INFO L264 CegarLoopResult]: At program point L1009-1(line 1009) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:56:55,963 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 1003 1025) no Hoare annotation was computed. [2020-07-07 10:56:55,963 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 961 984) no Hoare annotation was computed. [2020-07-07 10:56:55,963 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 961 984) no Hoare annotation was computed. [2020-07-07 10:56:55,963 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 961 984) no Hoare annotation was computed. [2020-07-07 10:56:55,963 INFO L268 CegarLoopResult]: For program point L979(line 979) no Hoare annotation was computed. [2020-07-07 10:56:55,963 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-07-07 10:56:55,963 INFO L268 CegarLoopResult]: For program point L977(line 977) no Hoare annotation was computed. [2020-07-07 10:56:55,964 INFO L268 CegarLoopResult]: For program point L976(line 976) no Hoare annotation was computed. [2020-07-07 10:56:55,964 INFO L268 CegarLoopResult]: For program point L975(line 975) no Hoare annotation was computed. [2020-07-07 10:56:55,964 INFO L268 CegarLoopResult]: For program point L974(line 974) no Hoare annotation was computed. [2020-07-07 10:56:55,964 INFO L268 CegarLoopResult]: For program point L973(line 973) no Hoare annotation was computed. [2020-07-07 10:56:55,964 INFO L268 CegarLoopResult]: For program point L972(line 972) no Hoare annotation was computed. [2020-07-07 10:56:55,964 INFO L268 CegarLoopResult]: For program point L971(line 971) no Hoare annotation was computed. [2020-07-07 10:56:55,964 INFO L268 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-07-07 10:56:55,964 INFO L268 CegarLoopResult]: For program point L969(line 969) no Hoare annotation was computed. [2020-07-07 10:56:55,965 INFO L268 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2020-07-07 10:56:55,965 INFO L268 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2020-07-07 10:56:55,965 INFO L268 CegarLoopResult]: For program point L966(line 966) no Hoare annotation was computed. [2020-07-07 10:56:55,965 INFO L268 CegarLoopResult]: For program point L192(lines 192 200) no Hoare annotation was computed. [2020-07-07 10:56:55,965 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1) (or .cse2 .cse3 .cse0 .cse1))) [2020-07-07 10:56:55,965 INFO L268 CegarLoopResult]: For program point L190-1(line 190) no Hoare annotation was computed. [2020-07-07 10:56:55,965 INFO L268 CegarLoopResult]: For program point L188(lines 188 205) no Hoare annotation was computed. [2020-07-07 10:56:55,966 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 184 208) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 2))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse5 .cse6 .cse2) (or .cse7 .cse3 .cse4 .cse5 .cse6 .cse2) (or .cse4 .cse0 .cse5 .cse1 .cse2) (or .cse7 .cse4 .cse5 .cse1 .cse2))) [2020-07-07 10:56:55,966 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 184 208) no Hoare annotation was computed. [2020-07-07 10:56:55,966 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 2))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse5 .cse6 .cse2) (or .cse7 .cse3 .cse4 .cse5 .cse6 .cse2) (or .cse4 .cse0 .cse5 .cse1 .cse2) (or .cse7 .cse4 .cse5 .cse1 .cse2))) [2020-07-07 10:56:55,966 INFO L268 CegarLoopResult]: For program point L203-1(lines 184 208) no Hoare annotation was computed. [2020-07-07 10:56:55,967 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1) (or .cse2 .cse3 .cse0 .cse1))) [2020-07-07 10:56:55,967 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1) (or .cse2 .cse3 .cse0 .cse1))) [2020-07-07 10:56:55,967 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 279 287) no Hoare annotation was computed. [2020-07-07 10:56:55,967 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 279 287) the Hoare annotation is: true [2020-07-07 10:56:55,967 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 279 287) no Hoare annotation was computed. [2020-07-07 10:56:55,967 INFO L268 CegarLoopResult]: For program point L352(lines 352 356) no Hoare annotation was computed. [2020-07-07 10:56:55,967 INFO L271 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: true [2020-07-07 10:56:55,968 INFO L268 CegarLoopResult]: For program point L352-2(lines 352 356) no Hoare annotation was computed. [2020-07-07 10:56:55,968 INFO L268 CegarLoopResult]: For program point L350-1(line 350) no Hoare annotation was computed. [2020-07-07 10:56:55,968 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 343 361) the Hoare annotation is: true [2020-07-07 10:56:55,968 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 343 361) no Hoare annotation was computed. [2020-07-07 10:56:55,968 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 343 361) no Hoare annotation was computed. [2020-07-07 10:56:55,968 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-07-07 10:56:55,968 INFO L268 CegarLoopResult]: For program point L318-1(line 318) no Hoare annotation was computed. [2020-07-07 10:56:55,968 INFO L268 CegarLoopResult]: For program point L307(lines 307 315) no Hoare annotation was computed. [2020-07-07 10:56:55,968 INFO L268 CegarLoopResult]: For program point L307-2(lines 307 315) no Hoare annotation was computed. [2020-07-07 10:56:55,968 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 288 323) no Hoare annotation was computed. [2020-07-07 10:56:55,969 INFO L268 CegarLoopResult]: For program point L295(lines 295 303) no Hoare annotation was computed. [2020-07-07 10:56:55,969 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 288 323) no Hoare annotation was computed. [2020-07-07 10:56:55,969 INFO L268 CegarLoopResult]: For program point L295-2(lines 295 303) no Hoare annotation was computed. [2020-07-07 10:56:55,969 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 288 323) no Hoare annotation was computed. [2020-07-07 10:56:55,969 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 897 903) no Hoare annotation was computed. [2020-07-07 10:56:55,969 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 897 903) the Hoare annotation is: true [2020-07-07 10:56:55,969 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 473 518) no Hoare annotation was computed. [2020-07-07 10:56:55,969 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 473 518) no Hoare annotation was computed. [2020-07-07 10:56:55,969 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 473 518) no Hoare annotation was computed. [2020-07-07 10:56:55,970 INFO L268 CegarLoopResult]: For program point L800(lines 800 820) no Hoare annotation was computed. [2020-07-07 10:56:55,970 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2020-07-07 10:56:55,970 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 786 831) no Hoare annotation was computed. [2020-07-07 10:56:55,970 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 786 831) no Hoare annotation was computed. [2020-07-07 10:56:55,970 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-07-07 10:56:55,970 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 786 831) no Hoare annotation was computed. [2020-07-07 10:56:55,970 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 992 1002) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:56:55,971 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 992 1002) no Hoare annotation was computed. [2020-07-07 10:56:55,971 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 992 1002) no Hoare annotation was computed. [2020-07-07 10:56:55,971 INFO L264 CegarLoopResult]: At program point L997(line 997) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:56:55,971 INFO L271 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: true [2020-07-07 10:56:55,971 INFO L268 CegarLoopResult]: For program point L273-1(line 273) no Hoare annotation was computed. [2020-07-07 10:56:55,971 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 268 278) the Hoare annotation is: true [2020-07-07 10:56:55,971 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 268 278) no Hoare annotation was computed. [2020-07-07 10:56:55,971 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 268 278) no Hoare annotation was computed. [2020-07-07 10:56:55,972 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 260 267) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse2 .cse4 .cse6 .cse7 .cse5) (or .cse0 .cse3 .cse2 .cse4 .cse7 .cse5) (or .cse1 .cse3 .cse2 .cse4 .cse6 .cse5))) [2020-07-07 10:56:55,972 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 260 267) no Hoare annotation was computed. [2020-07-07 10:56:55,972 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 260 267) no Hoare annotation was computed. [2020-07-07 10:56:55,972 INFO L268 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-07-07 10:56:55,972 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 443 456) no Hoare annotation was computed. [2020-07-07 10:56:55,972 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 443 456) the Hoare annotation is: true [2020-07-07 10:56:55,973 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 443 456) no Hoare annotation was computed. [2020-07-07 10:56:55,973 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~3)) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse2 .cse4))) [2020-07-07 10:56:55,973 INFO L264 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: (let ((.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 1)) .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse2 .cse3) (or .cse4 .cse7 .cse0 .cse1 (not (<= ~waterLevel~0 0)) .cse3) (or .cse4 (not (= 1 ~waterLevel~0)) .cse7 .cse0 .cse1 .cse3))) [2020-07-07 10:56:55,973 INFO L268 CegarLoopResult]: For program point L218(lines 218 226) no Hoare annotation was computed. [2020-07-07 10:56:55,973 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1)) .cse4) (or .cse5 (not (= 1 ~waterLevel~0)) .cse1 .cse0 .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse3 .cse4))) [2020-07-07 10:56:55,973 INFO L268 CegarLoopResult]: For program point L216-1(line 216) no Hoare annotation was computed. [2020-07-07 10:56:55,974 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 210 234) no Hoare annotation was computed. [2020-07-07 10:56:55,974 INFO L268 CegarLoopResult]: For program point L214(lines 214 231) no Hoare annotation was computed. [2020-07-07 10:56:55,974 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 210 234) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse10 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 1))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 (not (= 1 ~waterLevel~0)) .cse1 .cse0 .cse2 .cse5) (or .cse7 .cse8 .cse3 .cse9 .cse10 .cse5) (or .cse6 .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse10 .cse5) (or .cse8 .cse3 .cse9 .cse4 .cse5) (or .cse6 .cse8 .cse9 .cse4 .cse5))) [2020-07-07 10:56:55,974 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse5 (not (<= ~waterLevel~0 2))) (.cse8 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse8 .cse4) (or .cse9 .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse2 .cse7 .cse3 .cse4) (or .cse9 .cse0 .cse1 .cse3 .cse4) (or .cse9 .cse6 .cse7 .cse3 .cse4))) [2020-07-07 10:56:55,974 INFO L268 CegarLoopResult]: For program point L229-1(lines 210 234) no Hoare annotation was computed. [2020-07-07 10:56:55,974 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2020-07-07 10:56:55,974 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2020-07-07 10:56:55,975 INFO L264 CegarLoopResult]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= ~waterLevel~0 0) .cse2 .cse4) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3 .cse6) (and .cse1 .cse7 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (not .cse4) (and .cse1 .cse7 .cse2 .cse5 .cse4))) [2020-07-07 10:56:55,975 INFO L268 CegarLoopResult]: For program point L64(lines 64 70) no Hoare annotation was computed. [2020-07-07 10:56:55,975 INFO L264 CegarLoopResult]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:56:55,975 INFO L268 CegarLoopResult]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2020-07-07 10:56:55,975 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-07 10:56:55,976 INFO L268 CegarLoopResult]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2020-07-07 10:56:55,976 INFO L264 CegarLoopResult]: At program point L100(lines 53 101) 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 10:56:55,976 INFO L268 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2020-07-07 10:56:55,976 INFO L264 CegarLoopResult]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ~pumpRunning~0)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 (<= ~waterLevel~0 1) .cse4) (and .cse0 .cse1 .cse7 .cse8 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse7 .cse8 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse6 .cse5 .cse0 .cse7 .cse4) (not .cse3))) [2020-07-07 10:56:55,976 INFO L268 CegarLoopResult]: For program point L55(lines 54 99) no Hoare annotation was computed. [2020-07-07 10:56:55,977 INFO L268 CegarLoopResult]: For program point L84(lines 84 95) no Hoare annotation was computed. [2020-07-07 10:56:55,977 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ~systemActive~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= ~waterLevel~0 1) .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and .cse1 .cse0 .cse3 .cse4 .cse5) (not (= 1 |old(~waterLevel~0)|)) (not .cse5))) [2020-07-07 10:56:55,977 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-07-07 10:56:55,977 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-07-07 10:56:55,977 INFO L268 CegarLoopResult]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2020-07-07 10:56:55,977 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse5 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3 .cse6) (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (not .cse4) (and .cse1 .cse7 .cse2 .cse5 .cse4))) [2020-07-07 10:56:55,978 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 740 785) no Hoare annotation was computed. [2020-07-07 10:56:55,978 INFO L268 CegarLoopResult]: For program point L760(lines 760 767) no Hoare annotation was computed. [2020-07-07 10:56:55,978 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 740 785) no Hoare annotation was computed. [2020-07-07 10:56:55,978 INFO L268 CegarLoopResult]: For program point L754(lines 754 774) no Hoare annotation was computed. [2020-07-07 10:56:55,978 INFO L268 CegarLoopResult]: For program point L754-1(lines 754 774) no Hoare annotation was computed. [2020-07-07 10:56:55,978 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 740 785) no Hoare annotation was computed. [2020-07-07 10:56:55,978 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 235 242) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:56:55,979 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 235 242) no Hoare annotation was computed. [2020-07-07 10:56:55,979 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 235 242) no Hoare annotation was computed. [2020-07-07 10:56:55,979 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 457 465) no Hoare annotation was computed. [2020-07-07 10:56:55,979 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 457 465) the Hoare annotation is: true [2020-07-07 10:56:55,979 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 457 465) no Hoare annotation was computed. [2020-07-07 10:56:55,979 INFO L268 CegarLoopResult]: For program point L419-2(lines 419 427) no Hoare annotation was computed. [2020-07-07 10:56:55,979 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 411 433) no Hoare annotation was computed. [2020-07-07 10:56:55,979 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 411 433) no Hoare annotation was computed. [2020-07-07 10:56:55,979 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 411 433) no Hoare annotation was computed. [2020-07-07 10:56:55,980 INFO L268 CegarLoopResult]: For program point L419(lines 419 427) no Hoare annotation was computed. [2020-07-07 10:56:55,980 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 637 739) no Hoare annotation was computed. [2020-07-07 10:56:55,980 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-07-07 10:56:55,980 INFO L268 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-07-07 10:56:55,980 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-07-07 10:56:55,980 INFO L268 CegarLoopResult]: For program point L725(lines 725 736) no Hoare annotation was computed. [2020-07-07 10:56:55,980 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-07-07 10:56:55,980 INFO L268 CegarLoopResult]: For program point L686-2(lines 686 706) no Hoare annotation was computed. [2020-07-07 10:56:55,980 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 637 739) no Hoare annotation was computed. [2020-07-07 10:56:55,981 INFO L268 CegarLoopResult]: For program point L707(lines 685 708) no Hoare annotation was computed. [2020-07-07 10:56:55,981 INFO L268 CegarLoopResult]: For program point L666(lines 666 682) no Hoare annotation was computed. [2020-07-07 10:56:55,981 INFO L268 CegarLoopResult]: For program point L726(lines 726 733) no Hoare annotation was computed. [2020-07-07 10:56:55,981 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 637 739) no Hoare annotation was computed. [2020-07-07 10:56:55,981 INFO L268 CegarLoopResult]: For program point L687(lines 686 706) no Hoare annotation was computed. [2020-07-07 10:56:55,981 INFO L268 CegarLoopResult]: For program point L718(line 718) no Hoare annotation was computed. [2020-07-07 10:56:55,981 INFO L268 CegarLoopResult]: For program point L718-1(line 718) no Hoare annotation was computed. [2020-07-07 10:56:55,981 INFO L268 CegarLoopResult]: For program point L683(lines 683 724) no Hoare annotation was computed. [2020-07-07 10:56:55,982 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 887 896) no Hoare annotation was computed. [2020-07-07 10:56:55,982 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 887 896) no Hoare annotation was computed. [2020-07-07 10:56:55,982 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 887 896) no Hoare annotation was computed. [2020-07-07 10:56:55,982 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:56:55,982 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.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)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.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~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~string56.offset| |old(#t~string56.offset)|) (= |#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~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#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)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:56:55,982 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:56:55,983 INFO L264 CegarLoopResult]: At program point L254(line 254) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:56:55,983 INFO L268 CegarLoopResult]: For program point L254-1(lines 243 259) no Hoare annotation was computed. [2020-07-07 10:56:55,983 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 243 259) no Hoare annotation was computed. [2020-07-07 10:56:55,983 INFO L268 CegarLoopResult]: For program point L250(lines 250 256) no Hoare annotation was computed. [2020-07-07 10:56:55,983 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 243 259) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:56:55,984 INFO L264 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:56:55,984 INFO L268 CegarLoopResult]: For program point L248-1(line 248) no Hoare annotation was computed. [2020-07-07 10:56:55,984 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 324 342) no Hoare annotation was computed. [2020-07-07 10:56:55,984 INFO L268 CegarLoopResult]: For program point L333(lines 333 337) no Hoare annotation was computed. [2020-07-07 10:56:55,984 INFO L271 CegarLoopResult]: At program point L331(line 331) the Hoare annotation is: true [2020-07-07 10:56:55,984 INFO L268 CegarLoopResult]: For program point L333-2(lines 333 337) no Hoare annotation was computed. [2020-07-07 10:56:55,984 INFO L268 CegarLoopResult]: For program point L331-1(line 331) no Hoare annotation was computed. [2020-07-07 10:56:55,984 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 324 342) the Hoare annotation is: true [2020-07-07 10:56:55,985 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 324 342) no Hoare annotation was computed. [2020-07-07 10:56:55,985 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 434 442) the Hoare annotation is: true [2020-07-07 10:56:55,985 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 434 442) no Hoare annotation was computed. [2020-07-07 10:56:55,985 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 434 442) no Hoare annotation was computed. [2020-07-07 10:56:55,985 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 390 401) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse4) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse5 .cse4) (or (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse3 .cse4))) [2020-07-07 10:56:55,985 INFO L268 CegarLoopResult]: For program point L394-1(lines 390 401) no Hoare annotation was computed. [2020-07-07 10:56:55,985 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 390 401) no Hoare annotation was computed. [2020-07-07 10:56:55,986 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:56:55,986 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:56:55,986 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:56:55,986 INFO L268 CegarLoopResult]: For program point L128(lines 126 148) no Hoare annotation was computed. [2020-07-07 10:56:55,986 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 123 149) the Hoare annotation is: (let ((.cse10 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10 .cse11)) (.cse8 (and (= 0 ~pumpRunning~0) .cse10 .cse11)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse6 .cse4) (or .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse0 .cse8 .cse9 .cse6 .cse4) (or .cse5 .cse1 .cse3 .cse7 .cse6 .cse4) (or .cse8 .cse9 .cse7 .cse6 .cse4)))) [2020-07-07 10:56:55,987 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (let ((.cse13 (+ ~waterLevel~0 1)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse7 (not (= 2 |old(~waterLevel~0)|))) (.cse8 (and .cse11 .cse12 (= 1 ~waterLevel~0))) (.cse0 (and (= 0 ~pumpRunning~0) .cse15)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse10 (and .cse11 .cse12 (<= ~waterLevel~0 0) .cse15)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse14 (<= .cse13 |old(~waterLevel~0)|)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse2 .cse8 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse9 .cse5 .cse10 .cse6 (and .cse11 .cse12 (<= |old(~waterLevel~0)| .cse13) .cse14) .cse3 .cse4) (or .cse9 .cse5 .cse10 .cse6 (not (<= |old(~waterLevel~0)| 0)) .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse9 .cse10 .cse6 .cse2 (and .cse11 .cse12 .cse14 (= 0 ~waterLevel~0)) .cse4)))) [2020-07-07 10:56:55,987 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 123 149) no Hoare annotation was computed. [2020-07-07 10:56:55,987 INFO L264 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (let ((.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse16 (= 1 ~waterLevel~0))) (let ((.cse9 (not (= 2 |old(~waterLevel~0)|))) (.cse10 (and .cse4 .cse5 .cse16)) (.cse17 (and .cse4 .cse15)) (.cse18 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= 0 ~methaneLevelCritical~0))) (.cse13 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse1 (and (<= ~waterLevel~0 0) .cse4 .cse5 .cse15)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= |old(~waterLevel~0)| 0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (let ((.cse3 (+ ~waterLevel~0 1))) (and (<= |old(~waterLevel~0)| .cse3) .cse4 .cse5 (<= .cse3 |old(~waterLevel~0)|))) .cse6 .cse7 .cse8) (or .cse2 .cse6 .cse9 .cse10 .cse8) (or .cse0 .cse6 .cse11 .cse12 (and .cse13 .cse14 .cse15) .cse8 (and .cse4 .cse5 .cse15)) (or .cse6 .cse9 .cse11 .cse10 (and .cse13 .cse14 .cse16) .cse8) (or .cse17 .cse2 .cse18 .cse7 .cse8) (or .cse17 (and (= 2 ~waterLevel~0) .cse15 (<= 1 ~pumpRunning~0)) .cse18 .cse11 .cse7 .cse8) (let ((.cse19 (= 0 ~waterLevel~0))) (or .cse0 .cse6 .cse11 (and .cse13 .cse14 .cse19) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse5 .cse19) .cse8)) (or .cse0 .cse1 .cse2 .cse6 .cse12 .cse7 .cse8)))) [2020-07-07 10:56:55,987 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 123 149) no Hoare annotation was computed. [2020-07-07 10:56:55,987 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or .cse7 .cse5 .cse6 .cse4) (or .cse8 .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse3 .cse4) (or .cse8 .cse7 .cse0 .cse6 .cse3 .cse4))) [2020-07-07 10:56:55,988 INFO L268 CegarLoopResult]: For program point L130(lines 126 148) no Hoare annotation was computed. [2020-07-07 10:56:55,988 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 931 960) no Hoare annotation was computed. [2020-07-07 10:56:55,988 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 931 960) the Hoare annotation is: true [2020-07-07 10:56:55,988 INFO L271 CegarLoopResult]: At program point L956(lines 931 960) the Hoare annotation is: true [2020-07-07 10:56:55,988 INFO L268 CegarLoopResult]: For program point L952(line 952) no Hoare annotation was computed. [2020-07-07 10:56:55,988 INFO L268 CegarLoopResult]: For program point L945(lines 945 949) no Hoare annotation was computed. [2020-07-07 10:56:55,988 INFO L271 CegarLoopResult]: At program point L945-1(lines 945 949) the Hoare annotation is: true [2020-07-07 10:56:55,989 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-07-07 10:56:55,989 INFO L271 CegarLoopResult]: At program point L941-2(lines 941 955) the Hoare annotation is: true [2020-07-07 10:56:55,989 INFO L271 CegarLoopResult]: At program point L937(line 937) the Hoare annotation is: true [2020-07-07 10:56:55,989 INFO L268 CegarLoopResult]: For program point L937-1(line 937) no Hoare annotation was computed. [2020-07-07 10:56:55,989 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 402 410) the Hoare annotation is: true [2020-07-07 10:56:55,989 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 402 410) no Hoare annotation was computed. [2020-07-07 10:56:55,989 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 402 410) no Hoare annotation was computed. [2020-07-07 10:56:55,989 INFO L268 CegarLoopResult]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2020-07-07 10:56:55,990 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 366 377) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse2 .cse1 .cse3 .cse4))) [2020-07-07 10:56:55,990 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 366 377) no Hoare annotation was computed. [2020-07-07 10:56:55,990 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 985 991) no Hoare annotation was computed. [2020-07-07 10:56:55,990 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 985 991) the Hoare annotation is: true [2020-07-07 10:56:55,990 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:56:55,990 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 10:56:55,990 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:56:55,990 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:56:55,991 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 158 182) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 2))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse5 .cse6 .cse2) (or .cse7 .cse3 .cse4 .cse5 .cse6 .cse2) (or .cse4 .cse0 .cse5 .cse1 .cse2) (or .cse7 .cse4 .cse5 .cse1 .cse2))) [2020-07-07 10:56:55,991 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 158 182) no Hoare annotation was computed. [2020-07-07 10:56:55,991 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1) (or .cse2 .cse3 .cse0 .cse1))) [2020-07-07 10:56:55,991 INFO L268 CegarLoopResult]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2020-07-07 10:56:55,991 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3 (not (<= ~waterLevel~0 1)) .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse4))) [2020-07-07 10:56:55,991 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3 (not (<= ~waterLevel~0 1)) .cse2) (or .cse4 .cse1 .cse3 (and .cse5 (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 (not (<= ~waterLevel~0 0)) .cse2) (or .cse0 .cse4 .cse1 .cse5 .cse2))) [2020-07-07 10:56:55,992 INFO L268 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-07-07 10:56:55,992 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 2))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse5 .cse6 .cse2) (or .cse7 .cse3 .cse4 .cse5 .cse6 .cse2) (or .cse4 .cse0 .cse5 .cse1 .cse2) (or .cse7 .cse4 .cse5 .cse1 .cse2))) [2020-07-07 10:56:55,992 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-07-07 10:56:55,992 INFO L268 CegarLoopResult]: For program point L162(lines 162 179) no Hoare annotation was computed. [2020-07-07 10:56:55,992 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 378 389) no Hoare annotation was computed. [2020-07-07 10:56:55,992 INFO L268 CegarLoopResult]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2020-07-07 10:56:55,992 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 378 389) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse1 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse5 .cse3) (or .cse0 (= 2 ~waterLevel~0) .cse4 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3))) [2020-07-07 10:56:55,993 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 921 928) no Hoare annotation was computed. [2020-07-07 10:56:55,993 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 925) no Hoare annotation was computed. [2020-07-07 10:56:55,993 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 921 928) the Hoare annotation is: true [2020-07-07 10:56:55,993 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 921 928) no Hoare annotation was computed. [2020-07-07 10:56:56,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:56:56 BoogieIcfgContainer [2020-07-07 10:56:56,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:56:56,019 INFO L168 Benchmark]: Toolchain (without parser) took 253732.52 ms. Allocated memory was 139.5 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 103.8 MB in the beginning and 85.2 MB in the end (delta: 18.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-07-07 10:56:56,020 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 139.5 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 10:56:56,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.70 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 103.6 MB in the beginning and 173.3 MB in the end (delta: -69.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:56:56,021 INFO L168 Benchmark]: Boogie Preprocessor took 101.16 ms. Allocated memory is still 205.0 MB. Free memory was 173.3 MB in the beginning and 169.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:56:56,021 INFO L168 Benchmark]: RCFGBuilder took 1425.08 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 169.2 MB in the beginning and 192.0 MB in the end (delta: -22.9 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:56:56,022 INFO L168 Benchmark]: TraceAbstraction took 251452.00 ms. Allocated memory was 235.4 MB in the beginning and 1.2 GB in the end (delta: 971.5 MB). Free memory was 190.6 MB in the beginning and 85.2 MB in the end (delta: 105.4 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-07-07 10:56:56,023 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 139.5 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 746.70 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 103.6 MB in the beginning and 173.3 MB in the end (delta: -69.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.16 ms. Allocated memory is still 205.0 MB. Free memory was 173.3 MB in the beginning and 169.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1425.08 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 169.2 MB in the beginning and 192.0 MB in the end (delta: -22.9 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 251452.00 ms. Allocated memory was 235.4 MB in the beginning and 1.2 GB in the end (delta: 971.5 MB). Free memory was 190.6 MB in the beginning and 85.2 MB in the end (delta: 105.4 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 925]: 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: 54]: Loop Invariant Derived loop invariant: (((((((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive) || ((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 1) && 1 <= pumpRunning)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel <= 0) && 0 == pumpRunning) && 1 == systemActive)) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 2 == waterLevel) && 1 <= pumpRunning)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(waterLevel))) || !(1 == systemActive)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 262 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 122.1s, OverallIterations: 16, TraceHistogramMax: 9, AutomataDifference: 102.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 129.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3508 SDtfs, 11139 SDslu, 8357 SDs, 0 SdLazy, 31378 SolverSat, 9114 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 43.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4192 GetRequests, 3597 SyntacticMatches, 22 SemanticMatches, 573 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12543 ImplicationChecksByTransitivity, 50.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1966occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 2557 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 6910 PreInvPairs, 8638 NumberOfFragments, 4112 HoareAnnotationTreeSize, 6910 FomulaSimplifications, 78288983579 FormulaSimplificationTreeSizeReduction, 59.8s HoareSimplificationTime, 72 FomulaSimplificationsInter, 64196220 FormulaSimplificationTreeSizeReductionInter, 68.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 5531 NumberOfCodeBlocks, 5531 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 5508 ConstructedInterpolants, 0 QuantifiedInterpolants, 3430741 SizeOfPredicates, 30 NumberOfNonLiveVariables, 9439 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 23 InterpolantComputations, 11 PerfectInterpolantSequences, 4644/4999 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...