java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:04:25,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:04:25,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:04:25,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:04:25,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:04:25,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:04:25,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:04:25,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:04:25,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:04:25,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:04:25,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:04:25,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:04:25,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:04:25,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:04:25,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:04:25,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:04:25,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:04:25,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:04:25,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:04:25,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:04:25,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:04:25,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:04:25,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:04:25,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:04:25,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:04:25,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:04:25,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:04:25,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:04:25,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:04:25,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:04:25,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:04:25,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:04:25,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:04:25,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:04:25,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:04:25,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:04:25,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:04:25,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:04:25,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:04:25,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:04:25,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:04:25,361 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 [2019-09-20 13:04:25,376 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:04:25,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:04:25,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:04:25,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:04:25,378 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:04:25,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:04:25,378 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:04:25,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:04:25,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:04:25,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:04:25,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:04:25,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:04:25,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:04:25,380 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:04:25,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:04:25,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:04:25,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:04:25,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:04:25,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:04:25,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:04:25,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:04:25,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:04:25,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:04:25,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:04:25,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:04:25,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:04:25,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:04:25,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:04:25,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:04:25,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:04:25,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:04:25,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:04:25,453 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:04:25,454 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:04:25,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2019-09-20 13:04:25,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a521e5872/b374e4913b744f2d87bb9618cf20dd6c/FLAG706ddf639 [2019-09-20 13:04:26,164 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:04:26,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2019-09-20 13:04:26,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a521e5872/b374e4913b744f2d87bb9618cf20dd6c/FLAG706ddf639 [2019-09-20 13:04:26,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a521e5872/b374e4913b744f2d87bb9618cf20dd6c [2019-09-20 13:04:26,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:04:26,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:04:26,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:26,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:04:26,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:04:26,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:26" (1/1) ... [2019-09-20 13:04:26,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf90c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:26, skipping insertion in model container [2019-09-20 13:04:26,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:26" (1/1) ... [2019-09-20 13:04:26,417 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:04:26,484 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:04:26,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:26,983 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:04:27,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:27,153 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:04:27,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:27 WrapperNode [2019-09-20 13:04:27,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:27,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:04:27,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:04:27,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:04:27,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:27" (1/1) ... [2019-09-20 13:04:27,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:27" (1/1) ... [2019-09-20 13:04:27,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:27" (1/1) ... [2019-09-20 13:04:27,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:27" (1/1) ... [2019-09-20 13:04:27,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:27" (1/1) ... [2019-09-20 13:04:27,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:27" (1/1) ... [2019-09-20 13:04:27,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:27" (1/1) ... [2019-09-20 13:04:27,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:04:27,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:04:27,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:04:27,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:04:27,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:27" (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 [2019-09-20 13:04:27,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:04:27,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:04:27,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:27,395 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:04:27,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:04:27,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:04:27,397 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:04:27,397 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:04:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:04:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:04:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:04:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:04:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:04:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:04:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:04:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:04:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:04:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:04:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:04:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:04:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:04:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:04:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:04:27,406 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:27,406 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:04:27,406 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:04:27,406 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:04:27,406 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:04:27,407 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:04:27,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:04:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:04:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:04:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:04:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:04:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:04:27,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:27,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:27,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:27,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:04:27,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:04:27,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:04:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:04:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:04:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:04:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:04:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:04:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:04:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:04:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:04:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:04:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:04:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:04:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:04:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:04:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:04:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:04:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:04:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:04:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:04:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:04:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:04:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:04:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:04:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:04:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:04:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:04:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:04:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:04:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:04:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:04:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:04:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:04:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:04:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:04:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:04:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:04:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:04:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:04:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:04:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:04:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:04:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:04:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:04:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:04:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:04:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:04:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:04:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:04:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:04:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:04:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:04:28,618 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:04:28,619 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:04:28,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:28 BoogieIcfgContainer [2019-09-20 13:04:28,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:04:28,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:04:28,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:04:28,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:04:28,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:04:26" (1/3) ... [2019-09-20 13:04:28,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c439263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:28, skipping insertion in model container [2019-09-20 13:04:28,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:27" (2/3) ... [2019-09-20 13:04:28,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c439263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:28, skipping insertion in model container [2019-09-20 13:04:28,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:28" (3/3) ... [2019-09-20 13:04:28,630 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2019-09-20 13:04:28,641 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:04:28,651 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:04:28,670 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:04:28,703 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:04:28,704 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:04:28,705 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:04:28,705 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:04:28,705 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:04:28,705 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:04:28,705 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:04:28,705 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:04:28,706 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:04:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-09-20 13:04:28,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:04:28,742 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:28,743 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:28,746 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:28,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:28,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1301923028, now seen corresponding path program 1 times [2019-09-20 13:04:28,755 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:28,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:28,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:28,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:29,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:29,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:04:29,170 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:04:29,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:04:29,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:04:29,190 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2019-09-20 13:04:29,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:29,244 INFO L93 Difference]: Finished difference Result 300 states and 375 transitions. [2019-09-20 13:04:29,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:04:29,246 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:04:29,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:29,260 INFO L225 Difference]: With dead ends: 300 [2019-09-20 13:04:29,260 INFO L226 Difference]: Without dead ends: 150 [2019-09-20 13:04:29,265 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:04:29,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-09-20 13:04:29,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-09-20 13:04:29,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-09-20 13:04:29,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2019-09-20 13:04:29,328 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 46 [2019-09-20 13:04:29,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:29,328 INFO L475 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2019-09-20 13:04:29,329 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:04:29,329 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2019-09-20 13:04:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:04:29,332 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:29,333 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:29,333 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:29,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:29,334 INFO L82 PathProgramCache]: Analyzing trace with hash -216566915, now seen corresponding path program 1 times [2019-09-20 13:04:29,334 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:29,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:29,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:29,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:29,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:29,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:04:29,452 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:04:29,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:04:29,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:04:29,453 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 3 states. [2019-09-20 13:04:29,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:29,510 INFO L93 Difference]: Finished difference Result 249 states and 297 transitions. [2019-09-20 13:04:29,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:04:29,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:04:29,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:29,514 INFO L225 Difference]: With dead ends: 249 [2019-09-20 13:04:29,514 INFO L226 Difference]: Without dead ends: 141 [2019-09-20 13:04:29,516 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:04:29,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-09-20 13:04:29,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-09-20 13:04:29,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-09-20 13:04:29,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2019-09-20 13:04:29,535 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 47 [2019-09-20 13:04:29,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:29,535 INFO L475 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2019-09-20 13:04:29,535 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:04:29,536 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2019-09-20 13:04:29,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:04:29,538 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:29,539 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:29,539 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:29,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:29,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1163721234, now seen corresponding path program 1 times [2019-09-20 13:04:29,539 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:29,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:29,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:29,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:29,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:29,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:29,745 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:29,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:29,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:29,745 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand 7 states. [2019-09-20 13:04:30,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:30,097 INFO L93 Difference]: Finished difference Result 258 states and 311 transitions. [2019-09-20 13:04:30,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:30,098 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:04:30,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:30,100 INFO L225 Difference]: With dead ends: 258 [2019-09-20 13:04:30,100 INFO L226 Difference]: Without dead ends: 141 [2019-09-20 13:04:30,102 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:30,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-09-20 13:04:30,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-09-20 13:04:30,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-09-20 13:04:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2019-09-20 13:04:30,121 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 51 [2019-09-20 13:04:30,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:30,121 INFO L475 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2019-09-20 13:04:30,121 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2019-09-20 13:04:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-20 13:04:30,125 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:30,125 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:30,125 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:30,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:30,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1315506319, now seen corresponding path program 1 times [2019-09-20 13:04:30,126 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:30,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:30,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:30,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:30,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:04:30,295 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:04:30,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:04:30,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:04:30,296 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 5 states. [2019-09-20 13:04:30,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:30,891 INFO L93 Difference]: Finished difference Result 367 states and 446 transitions. [2019-09-20 13:04:30,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:04:30,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-09-20 13:04:30,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:30,898 INFO L225 Difference]: With dead ends: 367 [2019-09-20 13:04:30,900 INFO L226 Difference]: Without dead ends: 250 [2019-09-20 13:04:30,901 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:30,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-09-20 13:04:30,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 232. [2019-09-20 13:04:30,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2019-09-20 13:04:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 264 transitions. [2019-09-20 13:04:30,954 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 264 transitions. Word has length 69 [2019-09-20 13:04:30,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:30,955 INFO L475 AbstractCegarLoop]: Abstraction has 232 states and 264 transitions. [2019-09-20 13:04:30,955 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:04:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 264 transitions. [2019-09-20 13:04:30,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-20 13:04:30,962 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:30,963 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:30,963 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:30,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:30,963 INFO L82 PathProgramCache]: Analyzing trace with hash -921409892, now seen corresponding path program 1 times [2019-09-20 13:04:30,963 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:30,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:30,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:31,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:31,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:31,126 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:31,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:31,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:31,126 INFO L87 Difference]: Start difference. First operand 232 states and 264 transitions. Second operand 6 states. [2019-09-20 13:04:31,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:31,351 INFO L93 Difference]: Finished difference Result 633 states and 742 transitions. [2019-09-20 13:04:31,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:31,351 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-09-20 13:04:31,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:31,357 INFO L225 Difference]: With dead ends: 633 [2019-09-20 13:04:31,358 INFO L226 Difference]: Without dead ends: 425 [2019-09-20 13:04:31,360 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:04:31,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2019-09-20 13:04:31,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 419. [2019-09-20 13:04:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-09-20 13:04:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 478 transitions. [2019-09-20 13:04:31,432 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 478 transitions. Word has length 83 [2019-09-20 13:04:31,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:31,434 INFO L475 AbstractCegarLoop]: Abstraction has 419 states and 478 transitions. [2019-09-20 13:04:31,434 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:31,434 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 478 transitions. [2019-09-20 13:04:31,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-09-20 13:04:31,437 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:31,437 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:31,437 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:31,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:31,438 INFO L82 PathProgramCache]: Analyzing trace with hash 592685792, now seen corresponding path program 1 times [2019-09-20 13:04:31,438 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:31,438 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:31,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:31,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:31,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:31,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:31,665 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:31,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:31,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:31,665 INFO L87 Difference]: Start difference. First operand 419 states and 478 transitions. Second operand 7 states. [2019-09-20 13:04:32,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:32,288 INFO L93 Difference]: Finished difference Result 452 states and 528 transitions. [2019-09-20 13:04:32,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:04:32,289 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-09-20 13:04:32,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:32,293 INFO L225 Difference]: With dead ends: 452 [2019-09-20 13:04:32,293 INFO L226 Difference]: Without dead ends: 449 [2019-09-20 13:04:32,294 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:04:32,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-09-20 13:04:32,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 419. [2019-09-20 13:04:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-09-20 13:04:32,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 477 transitions. [2019-09-20 13:04:32,321 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 477 transitions. Word has length 87 [2019-09-20 13:04:32,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:32,322 INFO L475 AbstractCegarLoop]: Abstraction has 419 states and 477 transitions. [2019-09-20 13:04:32,322 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:32,322 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 477 transitions. [2019-09-20 13:04:32,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:04:32,324 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:32,324 INFO L407 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] [2019-09-20 13:04:32,324 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:32,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:32,325 INFO L82 PathProgramCache]: Analyzing trace with hash -88143431, now seen corresponding path program 1 times [2019-09-20 13:04:32,325 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:32,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:32,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:32,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:32,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:32,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:32,401 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:32,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:32,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:32,401 INFO L87 Difference]: Start difference. First operand 419 states and 477 transitions. Second operand 6 states. [2019-09-20 13:04:32,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:32,447 INFO L93 Difference]: Finished difference Result 828 states and 966 transitions. [2019-09-20 13:04:32,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:32,447 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-09-20 13:04:32,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:32,450 INFO L225 Difference]: With dead ends: 828 [2019-09-20 13:04:32,450 INFO L226 Difference]: Without dead ends: 433 [2019-09-20 13:04:32,452 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:32,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-09-20 13:04:32,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 429. [2019-09-20 13:04:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2019-09-20 13:04:32,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 487 transitions. [2019-09-20 13:04:32,477 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 487 transitions. Word has length 103 [2019-09-20 13:04:32,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:32,478 INFO L475 AbstractCegarLoop]: Abstraction has 429 states and 487 transitions. [2019-09-20 13:04:32,478 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 487 transitions. [2019-09-20 13:04:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:04:32,480 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:32,480 INFO L407 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] [2019-09-20 13:04:32,480 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:32,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:32,481 INFO L82 PathProgramCache]: Analyzing trace with hash -441231813, now seen corresponding path program 1 times [2019-09-20 13:04:32,481 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:32,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:32,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:32,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:32,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:32,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:32,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:04:32,619 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:04:32,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:04:32,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:32,620 INFO L87 Difference]: Start difference. First operand 429 states and 487 transitions. Second operand 8 states. [2019-09-20 13:04:32,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:32,671 INFO L93 Difference]: Finished difference Result 848 states and 988 transitions. [2019-09-20 13:04:32,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:32,671 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-09-20 13:04:32,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:32,681 INFO L225 Difference]: With dead ends: 848 [2019-09-20 13:04:32,681 INFO L226 Difference]: Without dead ends: 443 [2019-09-20 13:04:32,683 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:32,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2019-09-20 13:04:32,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 437. [2019-09-20 13:04:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2019-09-20 13:04:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 495 transitions. [2019-09-20 13:04:32,708 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 495 transitions. Word has length 103 [2019-09-20 13:04:32,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:32,708 INFO L475 AbstractCegarLoop]: Abstraction has 437 states and 495 transitions. [2019-09-20 13:04:32,709 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:04:32,709 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 495 transitions. [2019-09-20 13:04:32,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:04:32,711 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:32,711 INFO L407 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] [2019-09-20 13:04:32,712 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:32,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:32,712 INFO L82 PathProgramCache]: Analyzing trace with hash 691958780, now seen corresponding path program 1 times [2019-09-20 13:04:32,712 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:32,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:32,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:32,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:32,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:32,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:04:32,829 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:04:32,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:04:32,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:04:32,830 INFO L87 Difference]: Start difference. First operand 437 states and 495 transitions. Second operand 4 states. [2019-09-20 13:04:33,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:33,082 INFO L93 Difference]: Finished difference Result 1297 states and 1546 transitions. [2019-09-20 13:04:33,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:04:33,083 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-09-20 13:04:33,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:33,089 INFO L225 Difference]: With dead ends: 1297 [2019-09-20 13:04:33,090 INFO L226 Difference]: Without dead ends: 884 [2019-09-20 13:04:33,092 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:04:33,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2019-09-20 13:04:33,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 869. [2019-09-20 13:04:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2019-09-20 13:04:33,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1015 transitions. [2019-09-20 13:04:33,155 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1015 transitions. Word has length 103 [2019-09-20 13:04:33,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:33,156 INFO L475 AbstractCegarLoop]: Abstraction has 869 states and 1015 transitions. [2019-09-20 13:04:33,156 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:04:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1015 transitions. [2019-09-20 13:04:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-20 13:04:33,161 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:33,161 INFO L407 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] [2019-09-20 13:04:33,161 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:33,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:33,162 INFO L82 PathProgramCache]: Analyzing trace with hash -867723262, now seen corresponding path program 1 times [2019-09-20 13:04:33,162 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:33,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:33,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:33,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:33,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:04:33,321 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:33,321 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:33,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:33,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:04:33,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:33,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:33,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:04:33,811 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:04:33,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:04:33,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:04:33,812 INFO L87 Difference]: Start difference. First operand 869 states and 1015 transitions. Second operand 19 states. [2019-09-20 13:04:35,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:35,285 INFO L93 Difference]: Finished difference Result 1682 states and 1988 transitions. [2019-09-20 13:04:35,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:04:35,285 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2019-09-20 13:04:35,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:35,291 INFO L225 Difference]: With dead ends: 1682 [2019-09-20 13:04:35,291 INFO L226 Difference]: Without dead ends: 837 [2019-09-20 13:04:35,296 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:04:35,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2019-09-20 13:04:35,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2019-09-20 13:04:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2019-09-20 13:04:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 963 transitions. [2019-09-20 13:04:35,356 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 963 transitions. Word has length 107 [2019-09-20 13:04:35,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:35,356 INFO L475 AbstractCegarLoop]: Abstraction has 837 states and 963 transitions. [2019-09-20 13:04:35,357 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:04:35,357 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 963 transitions. [2019-09-20 13:04:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-09-20 13:04:35,362 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:35,362 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 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] [2019-09-20 13:04:35,363 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:35,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:35,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1831669400, now seen corresponding path program 1 times [2019-09-20 13:04:35,363 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:35,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:35,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:35,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:35,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:35,546 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-09-20 13:04:35,546 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:35,547 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:35,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:35,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-20 13:04:35,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:35,827 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-20 13:04:35,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:35,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-09-20 13:04:35,838 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:35,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:35,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:35,838 INFO L87 Difference]: Start difference. First operand 837 states and 963 transitions. Second operand 6 states. [2019-09-20 13:04:36,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:36,573 INFO L93 Difference]: Finished difference Result 1803 states and 2173 transitions. [2019-09-20 13:04:36,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:36,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2019-09-20 13:04:36,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:36,583 INFO L225 Difference]: With dead ends: 1803 [2019-09-20 13:04:36,583 INFO L226 Difference]: Without dead ends: 1120 [2019-09-20 13:04:36,586 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:36,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2019-09-20 13:04:36,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1019. [2019-09-20 13:04:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2019-09-20 13:04:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1192 transitions. [2019-09-20 13:04:36,712 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1192 transitions. Word has length 180 [2019-09-20 13:04:36,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:36,715 INFO L475 AbstractCegarLoop]: Abstraction has 1019 states and 1192 transitions. [2019-09-20 13:04:36,715 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1192 transitions. [2019-09-20 13:04:36,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-09-20 13:04:36,719 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:36,719 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1] [2019-09-20 13:04:36,720 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:36,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:36,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1713415852, now seen corresponding path program 1 times [2019-09-20 13:04:36,720 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:36,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:36,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:36,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:36,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-20 13:04:36,919 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:36,919 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:36,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:37,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:04:37,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:37,293 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:04:37,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:37,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:04:37,299 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:04:37,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:04:37,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:04:37,300 INFO L87 Difference]: Start difference. First operand 1019 states and 1192 transitions. Second operand 19 states. [2019-09-20 13:04:38,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:38,633 INFO L93 Difference]: Finished difference Result 1751 states and 2087 transitions. [2019-09-20 13:04:38,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:04:38,633 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 176 [2019-09-20 13:04:38,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:38,635 INFO L225 Difference]: With dead ends: 1751 [2019-09-20 13:04:38,635 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:04:38,640 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:04:38,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:04:38,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:04:38,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:04:38,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:04:38,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2019-09-20 13:04:38,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:38,642 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:04:38,642 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:04:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:04:38,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:04:38,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:04:39,478 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 16 [2019-09-20 13:04:39,943 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2019-09-20 13:04:40,168 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2019-09-20 13:04:40,392 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2019-09-20 13:04:41,043 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 19 [2019-09-20 13:04:41,324 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 19 [2019-09-20 13:04:41,933 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2019-09-20 13:04:42,165 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 24 [2019-09-20 13:04:43,040 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2019-09-20 13:04:43,043 INFO L443 ceAbstractionStarter]: For program point L730(lines 707 731) no Hoare annotation was computed. [2019-09-20 13:04:43,043 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 683 738) no Hoare annotation was computed. [2019-09-20 13:04:43,043 INFO L443 ceAbstractionStarter]: For program point L714(lines 714 718) no Hoare annotation was computed. [2019-09-20 13:04:43,043 INFO L443 ceAbstractionStarter]: For program point L714-1(lines 714 718) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 683 738) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 683 738) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point L708-2(lines 708 729) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point L765-2(lines 765 790) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point L791(lines 764 792) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 739 798) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point L784-1(line 784) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 739 798) no Hoare annotation was computed. [2019-09-20 13:04:43,045 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 739 798) no Hoare annotation was computed. [2019-09-20 13:04:43,045 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2019-09-20 13:04:43,045 INFO L443 ceAbstractionStarter]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2019-09-20 13:04:43,045 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-09-20 13:04:43,045 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-09-20 13:04:43,045 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-09-20 13:04:43,045 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-09-20 13:04:43,045 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-09-20 13:04:43,046 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,046 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2019-09-20 13:04:43,046 INFO L439 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,046 INFO L439 ceAbstractionStarter]: At program point L312-1(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,046 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 317) no Hoare annotation was computed. [2019-09-20 13:04:43,047 INFO L443 ceAbstractionStarter]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2019-09-20 13:04:43,047 INFO L443 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2019-09-20 13:04:43,047 INFO L439 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,047 INFO L439 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,047 INFO L439 ceAbstractionStarter]: At program point L306-1(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,048 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2019-09-20 13:04:43,048 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 258 281) no Hoare annotation was computed. [2019-09-20 13:04:43,048 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 258 281) no Hoare annotation was computed. [2019-09-20 13:04:43,048 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 258 281) no Hoare annotation was computed. [2019-09-20 13:04:43,048 INFO L443 ceAbstractionStarter]: For program point L276(line 276) no Hoare annotation was computed. [2019-09-20 13:04:43,048 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-09-20 13:04:43,048 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-09-20 13:04:43,048 INFO L443 ceAbstractionStarter]: For program point L273(line 273) no Hoare annotation was computed. [2019-09-20 13:04:43,048 INFO L443 ceAbstractionStarter]: For program point L272(line 272) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L271(line 271) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L270(line 270) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L269(line 269) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L267(line 267) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L266(line 266) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L265(line 265) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L264(line 264) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2019-09-20 13:04:43,050 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse0 .cse3))) [2019-09-20 13:04:43,050 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2019-09-20 13:04:43,050 INFO L439 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-09-20 13:04:43,050 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,050 INFO L439 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-09-20 13:04:43,050 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2019-09-20 13:04:43,051 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2019-09-20 13:04:43,051 INFO L439 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-09-20 13:04:43,051 INFO L443 ceAbstractionStarter]: For program point L393-1(line 393) no Hoare annotation was computed. [2019-09-20 13:04:43,051 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 408) no Hoare annotation was computed. [2019-09-20 13:04:43,051 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2019-09-20 13:04:43,051 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2019-09-20 13:04:43,051 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2019-09-20 13:04:43,052 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2019-09-20 13:04:43,052 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2019-09-20 13:04:43,052 INFO L446 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2019-09-20 13:04:43,052 INFO L443 ceAbstractionStarter]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2019-09-20 13:04:43,052 INFO L443 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2019-09-20 13:04:43,052 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2019-09-20 13:04:43,052 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2019-09-20 13:04:43,052 INFO L443 ceAbstractionStarter]: For program point L510(lines 510 518) no Hoare annotation was computed. [2019-09-20 13:04:43,053 INFO L443 ceAbstractionStarter]: For program point L510-2(lines 510 518) no Hoare annotation was computed. [2019-09-20 13:04:43,053 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 506) no Hoare annotation was computed. [2019-09-20 13:04:43,053 INFO L443 ceAbstractionStarter]: For program point L498-2(lines 498 506) no Hoare annotation was computed. [2019-09-20 13:04:43,053 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 491 526) no Hoare annotation was computed. [2019-09-20 13:04:43,053 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-09-20 13:04:43,053 INFO L443 ceAbstractionStarter]: For program point L521-1(line 521) no Hoare annotation was computed. [2019-09-20 13:04:43,053 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 491 526) no Hoare annotation was computed. [2019-09-20 13:04:43,053 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 491 526) no Hoare annotation was computed. [2019-09-20 13:04:43,054 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-09-20 13:04:43,054 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-09-20 13:04:43,054 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 637 682) no Hoare annotation was computed. [2019-09-20 13:04:43,054 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 637 682) no Hoare annotation was computed. [2019-09-20 13:04:43,054 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 637 682) no Hoare annotation was computed. [2019-09-20 13:04:43,054 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 950 995) no Hoare annotation was computed. [2019-09-20 13:04:43,054 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 950 995) no Hoare annotation was computed. [2019-09-20 13:04:43,054 INFO L443 ceAbstractionStarter]: For program point L970(lines 970 977) no Hoare annotation was computed. [2019-09-20 13:04:43,054 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 950 995) no Hoare annotation was computed. [2019-09-20 13:04:43,055 INFO L443 ceAbstractionStarter]: For program point L964(lines 964 984) no Hoare annotation was computed. [2019-09-20 13:04:43,055 INFO L443 ceAbstractionStarter]: For program point L964-1(lines 964 984) no Hoare annotation was computed. [2019-09-20 13:04:43,055 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,055 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2019-09-20 13:04:43,055 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2019-09-20 13:04:43,055 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2019-09-20 13:04:43,055 INFO L446 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2019-09-20 13:04:43,055 INFO L443 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 434) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,057 INFO L439 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4) (or .cse4 .cse0 .cse1) (or .cse3 .cse0 .cse2))) [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L439 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~4)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2019-09-20 13:04:43,058 INFO L439 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~4))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L439 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2))) [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2019-09-20 13:04:43,059 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,059 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2019-09-20 13:04:43,059 INFO L439 ceAbstractionStarter]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,059 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2019-09-20 13:04:43,059 INFO L439 ceAbstractionStarter]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (and .cse0 (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:43,059 INFO L443 ceAbstractionStarter]: For program point L577(lines 576 621) no Hoare annotation was computed. [2019-09-20 13:04:43,059 INFO L443 ceAbstractionStarter]: For program point L606(lines 606 617) no Hoare annotation was computed. [2019-09-20 13:04:43,060 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) (= 1 ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:43,060 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2019-09-20 13:04:43,060 INFO L443 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2019-09-20 13:04:43,060 INFO L439 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (and (and .cse0 (= ~pumpRunning~0 0)) (= 1 ~methaneLevelCritical~0)) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:43,060 INFO L439 ceAbstractionStarter]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) (= 1 ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:43,060 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 592) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 931) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 904 949) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 938) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point L918-1(lines 918 938) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 904 949) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 904 949) no Hoare annotation was computed. [2019-09-20 13:04:43,062 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-09-20 13:04:43,062 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2019-09-20 13:04:43,062 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2019-09-20 13:04:43,062 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2019-09-20 13:04:43,062 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2019-09-20 13:04:43,062 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2019-09-20 13:04:43,062 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-09-20 13:04:43,062 INFO L443 ceAbstractionStarter]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2019-09-20 13:04:43,063 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2019-09-20 13:04:43,063 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2019-09-20 13:04:43,063 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 133 155) no Hoare annotation was computed. [2019-09-20 13:04:43,063 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:04:43,063 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:04:43,063 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:04:43,063 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 801 903) no Hoare annotation was computed. [2019-09-20 13:04:43,063 INFO L443 ceAbstractionStarter]: For program point L830(lines 830 846) no Hoare annotation was computed. [2019-09-20 13:04:43,063 INFO L443 ceAbstractionStarter]: For program point L890(lines 890 897) no Hoare annotation was computed. [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point L851(lines 850 870) no Hoare annotation was computed. [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 888) no Hoare annotation was computed. [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 801 903) no Hoare annotation was computed. [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point L889(lines 889 900) no Hoare annotation was computed. [2019-09-20 13:04:43,065 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 856) no Hoare annotation was computed. [2019-09-20 13:04:43,065 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 801 903) no Hoare annotation was computed. [2019-09-20 13:04:43,065 INFO L443 ceAbstractionStarter]: For program point L850-2(lines 850 870) no Hoare annotation was computed. [2019-09-20 13:04:43,065 INFO L443 ceAbstractionStarter]: For program point L871(lines 849 872) no Hoare annotation was computed. [2019-09-20 13:04:43,065 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,065 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:04:43,065 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,066 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2019-09-20 13:04:43,066 INFO L439 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~5))))) [2019-09-20 13:04:43,066 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-09-20 13:04:43,066 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2019-09-20 13:04:43,066 INFO L443 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2019-09-20 13:04:43,066 INFO L439 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-09-20 13:04:43,067 INFO L443 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2019-09-20 13:04:43,067 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 156 164) no Hoare annotation was computed. [2019-09-20 13:04:43,067 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 156 164) no Hoare annotation was computed. [2019-09-20 13:04:43,067 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2019-09-20 13:04:43,067 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2019-09-20 13:04:43,067 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2019-09-20 13:04:43,067 INFO L446 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2019-09-20 13:04:43,067 INFO L443 ceAbstractionStarter]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2019-09-20 13:04:43,067 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2019-09-20 13:04:43,068 INFO L443 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2019-09-20 13:04:43,068 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2019-09-20 13:04:43,068 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse0 (= 1 ~methaneLevelCritical~0)) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2019-09-20 13:04:43,068 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2019-09-20 13:04:43,068 INFO L443 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2019-09-20 13:04:43,068 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,069 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,069 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,069 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2019-09-20 13:04:43,069 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2019-09-20 13:04:43,069 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2019-09-20 13:04:43,069 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (and .cse2 .cse3) .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse4 .cse2)) (or .cse3 (or .cse0 .cse4 .cse1)))) [2019-09-20 13:04:43,069 INFO L439 ceAbstractionStarter]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse3 .cse5)) (.cse2 (and .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 (and (<= 2 ~waterLevel~0) .cse3) .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))))) [2019-09-20 13:04:43,070 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1))) [2019-09-20 13:04:43,070 INFO L439 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse3) (or (not (= ~methaneLevelCritical~0 1)) (and .cse4 .cse1 .cse2) .cse0))) [2019-09-20 13:04:43,070 INFO L443 ceAbstractionStarter]: For program point L333(lines 332 351) no Hoare annotation was computed. [2019-09-20 13:04:43,070 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2019-09-20 13:04:43,070 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2019-09-20 13:04:43,070 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2019-09-20 13:04:43,070 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2019-09-20 13:04:43,071 INFO L446 ceAbstractionStarter]: At program point L252(lines 227 256) the Hoare annotation is: true [2019-09-20 13:04:43,071 INFO L443 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2019-09-20 13:04:43,071 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2019-09-20 13:04:43,071 INFO L446 ceAbstractionStarter]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2019-09-20 13:04:43,071 INFO L443 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2019-09-20 13:04:43,071 INFO L446 ceAbstractionStarter]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2019-09-20 13:04:43,071 INFO L446 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2019-09-20 13:04:43,071 INFO L443 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2019-09-20 13:04:43,072 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or .cse1 .cse2)) (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)))) [2019-09-20 13:04:43,072 INFO L443 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2019-09-20 13:04:43,072 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2019-09-20 13:04:43,072 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2019-09-20 13:04:43,072 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2019-09-20 13:04:43,072 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,072 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-20 13:04:43,073 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:04:43,073 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,073 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,073 INFO L439 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-09-20 13:04:43,073 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2019-09-20 13:04:43,073 INFO L443 ceAbstractionStarter]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2019-09-20 13:04:43,073 INFO L439 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse3 (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse0))) [2019-09-20 13:04:43,074 INFO L439 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1)))) [2019-09-20 13:04:43,074 INFO L443 ceAbstractionStarter]: For program point L369(lines 369 377) no Hoare annotation was computed. [2019-09-20 13:04:43,074 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse0 .cse3))) [2019-09-20 13:04:43,074 INFO L443 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2019-09-20 13:04:43,074 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 382) no Hoare annotation was computed. [2019-09-20 13:04:43,074 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2019-09-20 13:04:43,074 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2019-09-20 13:04:43,074 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (or (not (= 0 ~pumpRunning~0)) .cse0) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,075 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2019-09-20 13:04:43,075 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2019-09-20 13:04:43,075 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2019-09-20 13:04:43,075 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2019-09-20 13:04:43,075 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2019-09-20 13:04:43,075 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2019-09-20 13:04:43,075 INFO L439 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,075 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-09-20 13:04:43,076 INFO L439 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-09-20 13:04:43,076 INFO L443 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2019-09-20 13:04:43,076 INFO L443 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2019-09-20 13:04:43,076 INFO L443 ceAbstractionStarter]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2019-09-20 13:04:43,076 INFO L446 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2019-09-20 13:04:43,076 INFO L443 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2019-09-20 13:04:43,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:04:43 BoogieIcfgContainer [2019-09-20 13:04:43,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:04:43,094 INFO L168 Benchmark]: Toolchain (without parser) took 16694.28 ms. Allocated memory was 137.9 MB in the beginning and 532.7 MB in the end (delta: 394.8 MB). Free memory was 84.4 MB in the beginning and 369.5 MB in the end (delta: -285.2 MB). Peak memory consumption was 342.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,095 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.99 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 84.1 MB in the beginning and 164.2 MB in the end (delta: -80.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,096 INFO L168 Benchmark]: Boogie Preprocessor took 141.90 ms. Allocated memory is still 199.2 MB. Free memory was 164.2 MB in the beginning and 159.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,097 INFO L168 Benchmark]: RCFGBuilder took 1323.66 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 159.8 MB in the beginning and 189.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,098 INFO L168 Benchmark]: TraceAbstraction took 14469.90 ms. Allocated memory was 220.2 MB in the beginning and 532.7 MB in the end (delta: 312.5 MB). Free memory was 189.1 MB in the beginning and 369.5 MB in the end (delta: -180.4 MB). Peak memory consumption was 365.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,102 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 751.99 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 84.1 MB in the beginning and 164.2 MB in the end (delta: -80.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.90 ms. Allocated memory is still 199.2 MB. Free memory was 164.2 MB in the beginning and 159.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1323.66 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 159.8 MB in the beginning and 189.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14469.90 ms. Allocated memory was 220.2 MB in the beginning and 532.7 MB in the end (delta: 312.5 MB). Free memory was 189.1 MB in the beginning and 369.5 MB in the end (delta: -180.4 MB). Peak memory consumption was 365.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == splverifierCounter) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && pumpRunning == 0) && 1 == methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. SAFE Result, 14.3s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 5.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2426 SDtfs, 1814 SDslu, 8191 SDs, 0 SdLazy, 3934 SolverSat, 585 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 622 GetRequests, 506 SyntacticMatches, 2 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1019occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 180 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 2285 PreInvPairs, 2411 NumberOfFragments, 1505 HoareAnnotationTreeSize, 2285 FomulaSimplifications, 4564 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 68 FomulaSimplificationsInter, 13622 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1618 NumberOfCodeBlocks, 1618 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1603 ConstructedInterpolants, 0 QuantifiedInterpolants, 311818 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2644 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 221/231 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...