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_spec4_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:06:34,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:06:34,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:06:34,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:06:34,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:06:34,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:06:34,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:06:34,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:06:34,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:06:34,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:06:34,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:06:34,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:06:34,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:06:34,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:06:34,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:06:34,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:06:34,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:06:34,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:06:34,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:06:34,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:06:34,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:06:34,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:06:34,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:06:34,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:06:34,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:06:34,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:06:34,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:06:34,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:06:34,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:06:34,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:06:34,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:06:34,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:06:34,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:06:34,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:06:34,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:06:34,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:06:34,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:06:34,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:06:34,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:06:34,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:06:34,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:06:34,453 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 13:06:34,467 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:06:34,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:06:34,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:06:34,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:06:34,470 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:06:34,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:06:34,470 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:06:34,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:06:34,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:06:34,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:06:34,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:06:34,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:06:34,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:06:34,471 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:06:34,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:06:34,472 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:06:34,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:06:34,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:06:34,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:06:34,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:06:34,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:06:34,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:06:34,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:06:34,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:06:34,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:06:34,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:06:34,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:06:34,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:06:34,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:06:34,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:06:34,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:06:34,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:06:34,530 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:06:34,531 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:06:34,532 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product57.cil.c [2019-09-20 13:06:34,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15c3541f2/35faeca037934c58b09b7f841f31988c/FLAG1ed228986 [2019-09-20 13:06:35,176 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:06:35,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product57.cil.c [2019-09-20 13:06:35,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15c3541f2/35faeca037934c58b09b7f841f31988c/FLAG1ed228986 [2019-09-20 13:06:35,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15c3541f2/35faeca037934c58b09b7f841f31988c [2019-09-20 13:06:35,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:06:35,495 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:06:35,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:35,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:06:35,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:06:35,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e4c7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35, skipping insertion in model container [2019-09-20 13:06:35,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,509 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:06:35,579 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:06:36,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:36,101 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:06:36,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:36,228 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:06:36,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:36 WrapperNode [2019-09-20 13:06:36,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:36,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:06:36,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:06:36,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:06:36,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:36" (1/1) ... [2019-09-20 13:06:36,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:36" (1/1) ... [2019-09-20 13:06:36,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:36" (1/1) ... [2019-09-20 13:06:36,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:36" (1/1) ... [2019-09-20 13:06:36,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:36" (1/1) ... [2019-09-20 13:06:36,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:36" (1/1) ... [2019-09-20 13:06:36,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:36" (1/1) ... [2019-09-20 13:06:36,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:06:36,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:06:36,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:06:36,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:06:36,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:36" (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 13:06:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:06:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:06:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:06:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:06:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:06:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:06:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:06:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:06:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:06:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:06:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:06:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:06:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:06:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:06:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:06:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:06:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:06:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:06:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:06:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:06:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:06:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:06:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:06:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:06:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:06:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:06:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:06:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:06:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:06:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:06:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:06:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:06:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:06:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:06:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:06:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:06:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:06:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:06:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:06:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:06:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:06:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:06:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:06:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:06:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:06:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:06:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:06:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:06:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:06:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:06:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:06:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:06:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:06:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:06:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:06:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:06:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:06:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:06:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:06:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:06:36,445 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:06:36,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:06:36,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:06:36,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:06:36,445 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:06:36,445 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:06:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:06:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:06:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:06:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:06:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:06:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:06:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:06:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:06:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:06:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:06:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:06:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:06:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:06:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:06:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:06:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:06:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:06:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:06:37,642 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:06:37,642 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:06:37,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:37 BoogieIcfgContainer [2019-09-20 13:06:37,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:06:37,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:06:37,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:06:37,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:06:37,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:06:35" (1/3) ... [2019-09-20 13:06:37,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea6df3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:37, skipping insertion in model container [2019-09-20 13:06:37,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:36" (2/3) ... [2019-09-20 13:06:37,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea6df3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:37, skipping insertion in model container [2019-09-20 13:06:37,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:37" (3/3) ... [2019-09-20 13:06:37,656 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2019-09-20 13:06:37,667 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:06:37,682 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:06:37,700 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:06:37,742 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:06:37,743 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:06:37,743 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:06:37,743 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:06:37,744 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:06:37,744 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:06:37,744 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:06:37,744 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:06:37,745 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:06:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2019-09-20 13:06:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:06:37,791 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:37,793 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 13:06:37,797 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:37,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:37,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1827061433, now seen corresponding path program 1 times [2019-09-20 13:06:37,804 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:37,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:37,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:37,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:37,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:38,151 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 13:06:38,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:38,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:06:38,158 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:06:38,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:06:38,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:38,177 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 2 states. [2019-09-20 13:06:38,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:38,266 INFO L93 Difference]: Finished difference Result 286 states and 349 transitions. [2019-09-20 13:06:38,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:06:38,269 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:06:38,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:38,293 INFO L225 Difference]: With dead ends: 286 [2019-09-20 13:06:38,294 INFO L226 Difference]: Without dead ends: 143 [2019-09-20 13:06:38,307 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 13:06:38,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-09-20 13:06:38,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-09-20 13:06:38,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-09-20 13:06:38,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 166 transitions. [2019-09-20 13:06:38,393 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 166 transitions. Word has length 46 [2019-09-20 13:06:38,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:38,394 INFO L475 AbstractCegarLoop]: Abstraction has 143 states and 166 transitions. [2019-09-20 13:06:38,394 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:06:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2019-09-20 13:06:38,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:06:38,397 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:38,397 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 13:06:38,398 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:38,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:38,398 INFO L82 PathProgramCache]: Analyzing trace with hash 632131827, now seen corresponding path program 1 times [2019-09-20 13:06:38,399 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:38,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:38,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:38,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:38,567 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 13:06:38,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:38,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:06:38,570 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:06:38,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:06:38,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:38,571 INFO L87 Difference]: Start difference. First operand 143 states and 166 transitions. Second operand 3 states. [2019-09-20 13:06:38,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:38,618 INFO L93 Difference]: Finished difference Result 235 states and 271 transitions. [2019-09-20 13:06:38,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:06:38,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:06:38,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:38,625 INFO L225 Difference]: With dead ends: 235 [2019-09-20 13:06:38,625 INFO L226 Difference]: Without dead ends: 134 [2019-09-20 13:06:38,629 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 13:06:38,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-09-20 13:06:38,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-09-20 13:06:38,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-20 13:06:38,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 154 transitions. [2019-09-20 13:06:38,657 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 154 transitions. Word has length 47 [2019-09-20 13:06:38,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:38,658 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 154 transitions. [2019-09-20 13:06:38,658 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:06:38,658 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2019-09-20 13:06:38,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:06:38,665 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:38,665 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 13:06:38,665 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:38,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:38,666 INFO L82 PathProgramCache]: Analyzing trace with hash 880596518, now seen corresponding path program 1 times [2019-09-20 13:06:38,666 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:38,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:38,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:38,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:38,882 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 13:06:38,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:38,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:06:38,883 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:06:38,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:06:38,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:38,884 INFO L87 Difference]: Start difference. First operand 134 states and 154 transitions. Second operand 7 states. [2019-09-20 13:06:39,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:39,216 INFO L93 Difference]: Finished difference Result 244 states and 285 transitions. [2019-09-20 13:06:39,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:06:39,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:06:39,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:39,219 INFO L225 Difference]: With dead ends: 244 [2019-09-20 13:06:39,219 INFO L226 Difference]: Without dead ends: 134 [2019-09-20 13:06:39,221 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 13:06:39,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-09-20 13:06:39,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-09-20 13:06:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-20 13:06:39,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2019-09-20 13:06:39,235 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 51 [2019-09-20 13:06:39,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:39,236 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2019-09-20 13:06:39,236 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:06:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2019-09-20 13:06:39,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:06:39,239 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:39,239 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] [2019-09-20 13:06:39,239 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:39,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:39,240 INFO L82 PathProgramCache]: Analyzing trace with hash -316946775, now seen corresponding path program 1 times [2019-09-20 13:06:39,240 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:39,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:39,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:39,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:39,438 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 13:06:39,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:39,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:06:39,439 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:06:39,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:06:39,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:06:39,440 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 5 states. [2019-09-20 13:06:39,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:39,916 INFO L93 Difference]: Finished difference Result 340 states and 405 transitions. [2019-09-20 13:06:39,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:06:39,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-20 13:06:39,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:39,920 INFO L225 Difference]: With dead ends: 340 [2019-09-20 13:06:39,921 INFO L226 Difference]: Without dead ends: 230 [2019-09-20 13:06:39,922 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 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 13:06:39,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-09-20 13:06:39,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 212. [2019-09-20 13:06:39,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-09-20 13:06:39,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 240 transitions. [2019-09-20 13:06:39,958 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 240 transitions. Word has length 64 [2019-09-20 13:06:39,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:39,959 INFO L475 AbstractCegarLoop]: Abstraction has 212 states and 240 transitions. [2019-09-20 13:06:39,961 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:06:39,961 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 240 transitions. [2019-09-20 13:06:39,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-20 13:06:39,963 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:39,963 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] [2019-09-20 13:06:39,963 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:39,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:39,964 INFO L82 PathProgramCache]: Analyzing trace with hash 924041624, now seen corresponding path program 1 times [2019-09-20 13:06:39,964 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:39,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:39,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:39,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,152 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 13:06:40,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:40,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:06:40,154 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:06:40,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:06:40,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:40,156 INFO L87 Difference]: Start difference. First operand 212 states and 240 transitions. Second operand 10 states. [2019-09-20 13:06:40,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:40,821 INFO L93 Difference]: Finished difference Result 686 states and 844 transitions. [2019-09-20 13:06:40,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:06:40,822 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2019-09-20 13:06:40,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:40,828 INFO L225 Difference]: With dead ends: 686 [2019-09-20 13:06:40,828 INFO L226 Difference]: Without dead ends: 498 [2019-09-20 13:06:40,829 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:06:40,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2019-09-20 13:06:40,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 488. [2019-09-20 13:06:40,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2019-09-20 13:06:40,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 571 transitions. [2019-09-20 13:06:40,872 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 571 transitions. Word has length 78 [2019-09-20 13:06:40,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:40,873 INFO L475 AbstractCegarLoop]: Abstraction has 488 states and 571 transitions. [2019-09-20 13:06:40,873 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:06:40,873 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 571 transitions. [2019-09-20 13:06:40,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-09-20 13:06:40,877 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:40,877 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:06:40,877 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:40,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:40,878 INFO L82 PathProgramCache]: Analyzing trace with hash -2049323846, now seen corresponding path program 1 times [2019-09-20 13:06:40,878 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:40,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:40,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:40,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:41,028 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-09-20 13:06:41,029 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:41,029 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 13:06:41,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:41,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-20 13:06:41,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:06:41,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:41,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2019-09-20 13:06:41,492 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-20 13:06:41,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-20 13:06:41,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:06:41,493 INFO L87 Difference]: Start difference. First operand 488 states and 571 transitions. Second operand 12 states. [2019-09-20 13:06:43,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:43,719 INFO L93 Difference]: Finished difference Result 1384 states and 1844 transitions. [2019-09-20 13:06:43,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-20 13:06:43,719 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 152 [2019-09-20 13:06:43,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:43,726 INFO L225 Difference]: With dead ends: 1384 [2019-09-20 13:06:43,726 INFO L226 Difference]: Without dead ends: 920 [2019-09-20 13:06:43,729 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2019-09-20 13:06:43,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2019-09-20 13:06:43,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 841. [2019-09-20 13:06:43,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2019-09-20 13:06:43,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1026 transitions. [2019-09-20 13:06:43,797 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1026 transitions. Word has length 152 [2019-09-20 13:06:43,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:43,797 INFO L475 AbstractCegarLoop]: Abstraction has 841 states and 1026 transitions. [2019-09-20 13:06:43,798 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-20 13:06:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1026 transitions. [2019-09-20 13:06:43,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-09-20 13:06:43,800 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:43,800 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:06:43,801 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:43,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:43,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1445089438, now seen corresponding path program 1 times [2019-09-20 13:06:43,801 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:43,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:43,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:43,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:43,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:43,901 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-20 13:06:43,901 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:43,901 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 13:06:44,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:44,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-20 13:06:44,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-20 13:06:44,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:44,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-20 13:06:44,206 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:44,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:44,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:44,206 INFO L87 Difference]: Start difference. First operand 841 states and 1026 transitions. Second operand 11 states. [2019-09-20 13:06:44,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:44,264 INFO L93 Difference]: Finished difference Result 1482 states and 1850 transitions. [2019-09-20 13:06:44,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:44,265 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 143 [2019-09-20 13:06:44,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:44,270 INFO L225 Difference]: With dead ends: 1482 [2019-09-20 13:06:44,270 INFO L226 Difference]: Without dead ends: 665 [2019-09-20 13:06:44,273 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:44,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2019-09-20 13:06:44,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2019-09-20 13:06:44,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2019-09-20 13:06:44,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 804 transitions. [2019-09-20 13:06:44,315 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 804 transitions. Word has length 143 [2019-09-20 13:06:44,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:44,315 INFO L475 AbstractCegarLoop]: Abstraction has 665 states and 804 transitions. [2019-09-20 13:06:44,316 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:44,316 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 804 transitions. [2019-09-20 13:06:44,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-09-20 13:06:44,317 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:44,318 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:06:44,318 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:44,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:44,318 INFO L82 PathProgramCache]: Analyzing trace with hash -416837817, now seen corresponding path program 1 times [2019-09-20 13:06:44,318 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:44,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:44,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:44,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:44,433 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-20 13:06:44,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:44,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:06:44,434 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:06:44,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:06:44,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:06:44,435 INFO L87 Difference]: Start difference. First operand 665 states and 804 transitions. Second operand 6 states. [2019-09-20 13:06:44,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:44,492 INFO L93 Difference]: Finished difference Result 1262 states and 1548 transitions. [2019-09-20 13:06:44,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:06:44,493 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2019-09-20 13:06:44,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:44,498 INFO L225 Difference]: With dead ends: 1262 [2019-09-20 13:06:44,498 INFO L226 Difference]: Without dead ends: 680 [2019-09-20 13:06:44,501 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 13:06:44,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2019-09-20 13:06:44,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 680. [2019-09-20 13:06:44,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2019-09-20 13:06:44,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 819 transitions. [2019-09-20 13:06:44,544 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 819 transitions. Word has length 147 [2019-09-20 13:06:44,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:44,545 INFO L475 AbstractCegarLoop]: Abstraction has 680 states and 819 transitions. [2019-09-20 13:06:44,545 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:06:44,545 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 819 transitions. [2019-09-20 13:06:44,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-09-20 13:06:44,547 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:44,548 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:06:44,548 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:44,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:44,549 INFO L82 PathProgramCache]: Analyzing trace with hash -926310907, now seen corresponding path program 1 times [2019-09-20 13:06:44,549 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:44,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:44,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:44,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-20 13:06:44,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:44,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:06:44,660 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:06:44,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:06:44,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:06:44,661 INFO L87 Difference]: Start difference. First operand 680 states and 819 transitions. Second operand 6 states. [2019-09-20 13:06:44,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:44,863 INFO L93 Difference]: Finished difference Result 697 states and 838 transitions. [2019-09-20 13:06:44,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:44,863 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2019-09-20 13:06:44,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:44,868 INFO L225 Difference]: With dead ends: 697 [2019-09-20 13:06:44,868 INFO L226 Difference]: Without dead ends: 694 [2019-09-20 13:06:44,869 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 13:06:44,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2019-09-20 13:06:44,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 680. [2019-09-20 13:06:44,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2019-09-20 13:06:44,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 815 transitions. [2019-09-20 13:06:44,938 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 815 transitions. Word has length 147 [2019-09-20 13:06:44,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:44,939 INFO L475 AbstractCegarLoop]: Abstraction has 680 states and 815 transitions. [2019-09-20 13:06:44,939 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:06:44,939 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 815 transitions. [2019-09-20 13:06:44,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-09-20 13:06:44,941 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:44,942 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:06:44,942 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:44,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:44,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1724095999, now seen corresponding path program 1 times [2019-09-20 13:06:44,943 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:44,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:44,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:44,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-20 13:06:45,067 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:45,068 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 13:06:45,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:45,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:06:45,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:45,325 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:45,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-20 13:06:45,326 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:45,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:45,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:45,327 INFO L87 Difference]: Start difference. First operand 680 states and 815 transitions. Second operand 11 states. [2019-09-20 13:06:46,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:46,781 INFO L93 Difference]: Finished difference Result 1343 states and 1687 transitions. [2019-09-20 13:06:46,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-20 13:06:46,781 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 151 [2019-09-20 13:06:46,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:46,787 INFO L225 Difference]: With dead ends: 1343 [2019-09-20 13:06:46,787 INFO L226 Difference]: Without dead ends: 746 [2019-09-20 13:06:46,790 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-09-20 13:06:46,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2019-09-20 13:06:46,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 662. [2019-09-20 13:06:46,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2019-09-20 13:06:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 793 transitions. [2019-09-20 13:06:46,837 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 793 transitions. Word has length 151 [2019-09-20 13:06:46,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:46,838 INFO L475 AbstractCegarLoop]: Abstraction has 662 states and 793 transitions. [2019-09-20 13:06:46,838 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:46,838 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 793 transitions. [2019-09-20 13:06:46,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-09-20 13:06:46,842 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:46,842 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:06:46,842 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:46,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:46,843 INFO L82 PathProgramCache]: Analyzing trace with hash 2073209729, now seen corresponding path program 2 times [2019-09-20 13:06:46,843 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:46,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:46,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:46,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:47,114 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-20 13:06:47,115 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:47,115 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:47,187 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-20 13:06:47,352 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-20 13:06:47,353 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-20 13:06:47,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-20 13:06:47,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:47,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:06:47,579 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-20 13:06:47,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:47,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:06:47,596 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:06:47,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:06:47,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:06:47,599 INFO L87 Difference]: Start difference. First operand 662 states and 793 transitions. Second operand 16 states. [2019-09-20 13:06:50,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:50,076 INFO L93 Difference]: Finished difference Result 1672 states and 2092 transitions. [2019-09-20 13:06:50,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-20 13:06:50,077 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 204 [2019-09-20 13:06:50,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:50,085 INFO L225 Difference]: With dead ends: 1672 [2019-09-20 13:06:50,085 INFO L226 Difference]: Without dead ends: 1091 [2019-09-20 13:06:50,088 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-09-20 13:06:50,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2019-09-20 13:06:50,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 954. [2019-09-20 13:06:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 954 states. [2019-09-20 13:06:50,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1123 transitions. [2019-09-20 13:06:50,192 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1123 transitions. Word has length 204 [2019-09-20 13:06:50,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:50,192 INFO L475 AbstractCegarLoop]: Abstraction has 954 states and 1123 transitions. [2019-09-20 13:06:50,192 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:06:50,193 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1123 transitions. [2019-09-20 13:06:50,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-09-20 13:06:50,196 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:50,197 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:06:50,197 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:50,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:50,198 INFO L82 PathProgramCache]: Analyzing trace with hash -345274749, now seen corresponding path program 1 times [2019-09-20 13:06:50,198 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:50,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:50,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:50,200 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:06:50,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-09-20 13:06:50,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:50,325 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:50,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:50,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:06:50,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-20 13:06:50,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:50,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-20 13:06:50,616 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:06:50,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:06:50,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:06:50,617 INFO L87 Difference]: Start difference. First operand 954 states and 1123 transitions. Second operand 13 states. [2019-09-20 13:06:50,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:50,698 INFO L93 Difference]: Finished difference Result 1228 states and 1444 transitions. [2019-09-20 13:06:50,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:06:50,699 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2019-09-20 13:06:50,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:50,702 INFO L225 Difference]: With dead ends: 1228 [2019-09-20 13:06:50,702 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:06:50,705 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:06:50,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:06:50,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:06:50,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:06:50,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:06:50,706 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2019-09-20 13:06:50,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:50,706 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:06:50,707 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:06:50,707 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:06:50,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:06:50,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:06:51,798 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 22 [2019-09-20 13:06:51,941 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 17 [2019-09-20 13:06:52,113 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-09-20 13:06:52,915 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2019-09-20 13:06:53,474 INFO L443 ceAbstractionStarter]: For program point L698(lines 675 699) no Hoare annotation was computed. [2019-09-20 13:06:53,474 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 651 706) no Hoare annotation was computed. [2019-09-20 13:06:53,474 INFO L443 ceAbstractionStarter]: For program point L682(lines 682 686) no Hoare annotation was computed. [2019-09-20 13:06:53,475 INFO L443 ceAbstractionStarter]: For program point L682-1(lines 682 686) no Hoare annotation was computed. [2019-09-20 13:06:53,475 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 651 706) no Hoare annotation was computed. [2019-09-20 13:06:53,475 INFO L443 ceAbstractionStarter]: For program point L677(line 677) no Hoare annotation was computed. [2019-09-20 13:06:53,475 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 651 706) no Hoare annotation was computed. [2019-09-20 13:06:53,475 INFO L443 ceAbstractionStarter]: For program point L676-2(lines 676 697) no Hoare annotation was computed. [2019-09-20 13:06:53,475 INFO L443 ceAbstractionStarter]: For program point L734(line 734) no Hoare annotation was computed. [2019-09-20 13:06:53,475 INFO L443 ceAbstractionStarter]: For program point L733-2(lines 733 758) no Hoare annotation was computed. [2019-09-20 13:06:53,475 INFO L443 ceAbstractionStarter]: For program point L759(lines 732 760) no Hoare annotation was computed. [2019-09-20 13:06:53,475 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 707 766) no Hoare annotation was computed. [2019-09-20 13:06:53,475 INFO L443 ceAbstractionStarter]: For program point L752(line 752) no Hoare annotation was computed. [2019-09-20 13:06:53,475 INFO L443 ceAbstractionStarter]: For program point L752-1(line 752) no Hoare annotation was computed. [2019-09-20 13:06:53,475 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 707 766) no Hoare annotation was computed. [2019-09-20 13:06:53,476 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 707 766) no Hoare annotation was computed. [2019-09-20 13:06:53,476 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 743) no Hoare annotation was computed. [2019-09-20 13:06:53,476 INFO L443 ceAbstractionStarter]: For program point L739-1(lines 739 743) no Hoare annotation was computed. [2019-09-20 13:06:53,476 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 486 492) the Hoare annotation is: true [2019-09-20 13:06:53,476 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 486 492) no Hoare annotation was computed. [2019-09-20 13:06:53,476 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 493 501) no Hoare annotation was computed. [2019-09-20 13:06:53,476 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 493 501) the Hoare annotation is: true [2019-09-20 13:06:53,476 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 493 501) no Hoare annotation was computed. [2019-09-20 13:06:53,476 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 336 360) the Hoare annotation is: true [2019-09-20 13:06:53,476 INFO L439 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-20 13:06:53,477 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-09-20 13:06:53,477 INFO L439 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-20 13:06:53,477 INFO L443 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2019-09-20 13:06:53,477 INFO L443 ceAbstractionStarter]: For program point L344(lines 344 357) no Hoare annotation was computed. [2019-09-20 13:06:53,477 INFO L443 ceAbstractionStarter]: For program point L344-1(lines 336 360) no Hoare annotation was computed. [2019-09-20 13:06:53,477 INFO L446 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: true [2019-09-20 13:06:53,477 INFO L443 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2019-09-20 13:06:53,477 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 336 360) no Hoare annotation was computed. [2019-09-20 13:06:53,477 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 575 597) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:53,478 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 575 597) no Hoare annotation was computed. [2019-09-20 13:06:53,478 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 575 597) no Hoare annotation was computed. [2019-09-20 13:06:53,478 INFO L439 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:53,478 INFO L439 ceAbstractionStarter]: At program point L587-1(line 587) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:53,478 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 592) no Hoare annotation was computed. [2019-09-20 13:06:53,478 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 585 592) no Hoare annotation was computed. [2019-09-20 13:06:53,478 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-09-20 13:06:53,479 INFO L439 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:53,479 INFO L439 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:53,479 INFO L439 ceAbstractionStarter]: At program point L581-1(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:53,479 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-09-20 13:06:53,479 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-09-20 13:06:53,479 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 534 557) no Hoare annotation was computed. [2019-09-20 13:06:53,479 INFO L443 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-09-20 13:06:53,480 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-09-20 13:06:53,480 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-09-20 13:06:53,480 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 534 557) no Hoare annotation was computed. [2019-09-20 13:06:53,480 INFO L443 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2019-09-20 13:06:53,480 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 534 557) no Hoare annotation was computed. [2019-09-20 13:06:53,480 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-09-20 13:06:53,480 INFO L443 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2019-09-20 13:06:53,480 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-09-20 13:06:53,481 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-09-20 13:06:53,481 INFO L443 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2019-09-20 13:06:53,481 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-09-20 13:06:53,481 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-09-20 13:06:53,481 INFO L443 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2019-09-20 13:06:53,481 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 250 258) no Hoare annotation was computed. [2019-09-20 13:06:53,481 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 250 258) the Hoare annotation is: true [2019-09-20 13:06:53,481 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 250 258) no Hoare annotation was computed. [2019-09-20 13:06:53,482 INFO L446 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: true [2019-09-20 13:06:53,482 INFO L443 ceAbstractionStarter]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2019-09-20 13:06:53,482 INFO L443 ceAbstractionStarter]: For program point L321-1(line 321) no Hoare annotation was computed. [2019-09-20 13:06:53,482 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 314 332) the Hoare annotation is: true [2019-09-20 13:06:53,482 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 314 332) no Hoare annotation was computed. [2019-09-20 13:06:53,482 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 327) no Hoare annotation was computed. [2019-09-20 13:06:53,482 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 314 332) no Hoare annotation was computed. [2019-09-20 13:06:53,482 INFO L443 ceAbstractionStarter]: For program point L289(line 289) no Hoare annotation was computed. [2019-09-20 13:06:53,483 INFO L443 ceAbstractionStarter]: For program point L289-1(line 289) no Hoare annotation was computed. [2019-09-20 13:06:53,483 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 286) no Hoare annotation was computed. [2019-09-20 13:06:53,483 INFO L443 ceAbstractionStarter]: For program point L278-2(lines 278 286) no Hoare annotation was computed. [2019-09-20 13:06:53,483 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 259 294) no Hoare annotation was computed. [2019-09-20 13:06:53,483 INFO L443 ceAbstractionStarter]: For program point L266(lines 266 274) no Hoare annotation was computed. [2019-09-20 13:06:53,483 INFO L443 ceAbstractionStarter]: For program point L266-2(lines 266 274) no Hoare annotation was computed. [2019-09-20 13:06:53,483 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 259 294) no Hoare annotation was computed. [2019-09-20 13:06:53,483 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 259 294) no Hoare annotation was computed. [2019-09-20 13:06:53,484 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 479 485) no Hoare annotation was computed. [2019-09-20 13:06:53,484 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 479 485) the Hoare annotation is: true [2019-09-20 13:06:53,484 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 605 650) no Hoare annotation was computed. [2019-09-20 13:06:53,484 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 605 650) no Hoare annotation was computed. [2019-09-20 13:06:53,484 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 605 650) no Hoare annotation was computed. [2019-09-20 13:06:53,484 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 918 963) no Hoare annotation was computed. [2019-09-20 13:06:53,484 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 918 963) no Hoare annotation was computed. [2019-09-20 13:06:53,484 INFO L443 ceAbstractionStarter]: For program point L938(lines 938 945) no Hoare annotation was computed. [2019-09-20 13:06:53,485 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 918 963) no Hoare annotation was computed. [2019-09-20 13:06:53,485 INFO L443 ceAbstractionStarter]: For program point L932(lines 932 952) no Hoare annotation was computed. [2019-09-20 13:06:53,485 INFO L443 ceAbstractionStarter]: For program point L932-1(lines 932 952) no Hoare annotation was computed. [2019-09-20 13:06:53,485 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 565 574) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:53,485 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 565 574) no Hoare annotation was computed. [2019-09-20 13:06:53,485 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 565 574) no Hoare annotation was computed. [2019-09-20 13:06:53,485 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 239 249) the Hoare annotation is: true [2019-09-20 13:06:53,485 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 239 249) no Hoare annotation was computed. [2019-09-20 13:06:53,486 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 239 249) no Hoare annotation was computed. [2019-09-20 13:06:53,486 INFO L446 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2019-09-20 13:06:53,486 INFO L443 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2019-09-20 13:06:53,486 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 231 238) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-09-20 13:06:53,486 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 231 238) no Hoare annotation was computed. [2019-09-20 13:06:53,486 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 231 238) no Hoare annotation was computed. [2019-09-20 13:06:53,486 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2019-09-20 13:06:53,486 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2019-09-20 13:06:53,486 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2019-09-20 13:06:53,487 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2019-09-20 13:06:53,487 INFO L439 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~2)) .cse0 .cse1))) [2019-09-20 13:06:53,487 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 196) no Hoare annotation was computed. [2019-09-20 13:06:53,487 INFO L439 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:06:53,487 INFO L443 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2019-09-20 13:06:53,487 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2019-09-20 13:06:53,487 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 180 204) no Hoare annotation was computed. [2019-09-20 13:06:53,488 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 180 204) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-09-20 13:06:53,488 INFO L439 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= 0 |old(~pumpRunning~0)|)) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-09-20 13:06:53,488 INFO L443 ceAbstractionStarter]: For program point L199-1(lines 180 204) no Hoare annotation was computed. [2019-09-20 13:06:53,488 INFO L439 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:53,488 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 146 152) no Hoare annotation was computed. [2019-09-20 13:06:53,488 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 146 152) the Hoare annotation is: true [2019-09-20 13:06:53,488 INFO L439 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)))) [2019-09-20 13:06:53,489 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2019-09-20 13:06:53,489 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:53,489 INFO L443 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2019-09-20 13:06:53,489 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-09-20 13:06:53,489 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2019-09-20 13:06:53,489 INFO L439 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:53,489 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-09-20 13:06:53,490 INFO L439 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:06:53,490 INFO L443 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2019-09-20 13:06:53,490 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2019-09-20 13:06:53,490 INFO L439 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:06:53,490 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-09-20 13:06:53,490 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2019-09-20 13:06:53,490 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2019-09-20 13:06:53,490 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)))) [2019-09-20 13:06:53,491 INFO L443 ceAbstractionStarter]: For program point L892(lines 892 899) no Hoare annotation was computed. [2019-09-20 13:06:53,491 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 872 917) no Hoare annotation was computed. [2019-09-20 13:06:53,491 INFO L443 ceAbstractionStarter]: For program point L886(lines 886 906) no Hoare annotation was computed. [2019-09-20 13:06:53,491 INFO L443 ceAbstractionStarter]: For program point L886-1(lines 886 906) no Hoare annotation was computed. [2019-09-20 13:06:53,491 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 872 917) no Hoare annotation was computed. [2019-09-20 13:06:53,491 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 872 917) no Hoare annotation was computed. [2019-09-20 13:06:53,491 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 205 212) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-20 13:06:53,491 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 205 212) no Hoare annotation was computed. [2019-09-20 13:06:53,492 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 205 212) no Hoare annotation was computed. [2019-09-20 13:06:53,492 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 455 463) no Hoare annotation was computed. [2019-09-20 13:06:53,492 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 455 463) the Hoare annotation is: true [2019-09-20 13:06:53,492 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 455 463) no Hoare annotation was computed. [2019-09-20 13:06:53,492 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 425) no Hoare annotation was computed. [2019-09-20 13:06:53,492 INFO L443 ceAbstractionStarter]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2019-09-20 13:06:53,492 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2019-09-20 13:06:53,492 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2019-09-20 13:06:53,493 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2019-09-20 13:06:53,493 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 469 478) no Hoare annotation was computed. [2019-09-20 13:06:53,493 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 469 478) no Hoare annotation was computed. [2019-09-20 13:06:53,493 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 469 478) no Hoare annotation was computed. [2019-09-20 13:06:53,493 INFO L443 ceAbstractionStarter]: For program point L834-1(line 834) no Hoare annotation was computed. [2019-09-20 13:06:53,493 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 769 871) no Hoare annotation was computed. [2019-09-20 13:06:53,493 INFO L443 ceAbstractionStarter]: For program point L793(lines 793 797) no Hoare annotation was computed. [2019-09-20 13:06:53,493 INFO L443 ceAbstractionStarter]: For program point L857(lines 857 868) no Hoare annotation was computed. [2019-09-20 13:06:53,493 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-09-20 13:06:53,494 INFO L443 ceAbstractionStarter]: For program point L818-2(lines 818 838) no Hoare annotation was computed. [2019-09-20 13:06:53,494 INFO L443 ceAbstractionStarter]: For program point L839(lines 817 840) no Hoare annotation was computed. [2019-09-20 13:06:53,494 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 769 871) no Hoare annotation was computed. [2019-09-20 13:06:53,494 INFO L443 ceAbstractionStarter]: For program point L798(lines 798 814) no Hoare annotation was computed. [2019-09-20 13:06:53,494 INFO L443 ceAbstractionStarter]: For program point L858(lines 858 865) no Hoare annotation was computed. [2019-09-20 13:06:53,494 INFO L443 ceAbstractionStarter]: For program point L819(lines 818 838) no Hoare annotation was computed. [2019-09-20 13:06:53,494 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-09-20 13:06:53,494 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 769 871) no Hoare annotation was computed. [2019-09-20 13:06:53,495 INFO L443 ceAbstractionStarter]: For program point L850-1(line 850) no Hoare annotation was computed. [2019-09-20 13:06:53,495 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 856) no Hoare annotation was computed. [2019-09-20 13:06:53,495 INFO L443 ceAbstractionStarter]: For program point L834(line 834) no Hoare annotation was computed. [2019-09-20 13:06:53,495 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:53,495 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 13:06:53,495 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:53,495 INFO L439 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-20 13:06:53,495 INFO L443 ceAbstractionStarter]: For program point L225-1(lines 214 230) no Hoare annotation was computed. [2019-09-20 13:06:53,496 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2019-09-20 13:06:53,496 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 214 230) no Hoare annotation was computed. [2019-09-20 13:06:53,496 INFO L439 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-20 13:06:53,496 INFO L443 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2019-09-20 13:06:53,496 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 214 230) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-20 13:06:53,496 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 295 313) no Hoare annotation was computed. [2019-09-20 13:06:53,496 INFO L443 ceAbstractionStarter]: For program point L304(lines 304 308) no Hoare annotation was computed. [2019-09-20 13:06:53,496 INFO L446 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: true [2019-09-20 13:06:53,497 INFO L443 ceAbstractionStarter]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2019-09-20 13:06:53,497 INFO L443 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2019-09-20 13:06:53,497 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 295 313) the Hoare annotation is: true [2019-09-20 13:06:53,497 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 295 313) no Hoare annotation was computed. [2019-09-20 13:06:53,497 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2019-09-20 13:06:53,497 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2019-09-20 13:06:53,497 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2019-09-20 13:06:53,497 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: true [2019-09-20 13:06:53,497 INFO L443 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2019-09-20 13:06:53,498 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2019-09-20 13:06:53,498 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:53,498 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:06:53,498 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:53,498 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2019-09-20 13:06:53,498 INFO L443 ceAbstractionStarter]: For program point L126(lines 125 144) no Hoare annotation was computed. [2019-09-20 13:06:53,499 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 122 145) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1)))) [2019-09-20 13:06:53,499 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 122 145) no Hoare annotation was computed. [2019-09-20 13:06:53,499 INFO L439 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse2 .cse0) (let ((.cse3 (+ ~waterLevel~0 1))) (and (<= .cse3 |old(~waterLevel~0)|) .cse2 (<= |old(~waterLevel~0)| .cse3))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1))))) [2019-09-20 13:06:53,499 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 122 145) no Hoare annotation was computed. [2019-09-20 13:06:53,499 INFO L439 ceAbstractionStarter]: At program point L133(lines 133 139) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (let ((.cse1 (+ ~waterLevel~0 1))) (and .cse0 (<= .cse1 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse1) .cse2)) (= |old(~waterLevel~0)| ~waterLevel~0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse3)) (or (not (< |old(~waterLevel~0)| 2)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse3 (and (<= 1 ~waterLevel~0) .cse2 (< ~waterLevel~0 2))))) [2019-09-20 13:06:53,499 INFO L446 ceAbstractionStarter]: At program point L514-2(lines 514 528) the Hoare annotation is: true [2019-09-20 13:06:53,500 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 504 533) no Hoare annotation was computed. [2019-09-20 13:06:53,500 INFO L446 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: true [2019-09-20 13:06:53,500 INFO L443 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2019-09-20 13:06:53,500 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 504 533) the Hoare annotation is: true [2019-09-20 13:06:53,500 INFO L446 ceAbstractionStarter]: At program point L529(lines 504 533) the Hoare annotation is: true [2019-09-20 13:06:53,500 INFO L443 ceAbstractionStarter]: For program point L525(line 525) no Hoare annotation was computed. [2019-09-20 13:06:53,500 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2019-09-20 13:06:53,500 INFO L446 ceAbstractionStarter]: At program point L518-1(lines 518 522) the Hoare annotation is: true [2019-09-20 13:06:53,500 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-09-20 13:06:53,501 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2019-09-20 13:06:53,501 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2019-09-20 13:06:53,501 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2019-09-20 13:06:53,501 INFO L443 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2019-09-20 13:06:53,501 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:06:53,501 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2019-09-20 13:06:53,501 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 558 564) no Hoare annotation was computed. [2019-09-20 13:06:53,501 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 558 564) the Hoare annotation is: true [2019-09-20 13:06:53,502 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:53,502 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-09-20 13:06:53,502 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:06:53,502 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:53,502 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 154 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:53,502 INFO L439 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:53,502 INFO L443 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2019-09-20 13:06:53,502 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 175) no Hoare annotation was computed. [2019-09-20 13:06:53,503 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 154 178) no Hoare annotation was computed. [2019-09-20 13:06:53,503 INFO L439 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:53,503 INFO L443 ceAbstractionStarter]: For program point L173-1(lines 154 178) no Hoare annotation was computed. [2019-09-20 13:06:53,503 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:53,503 INFO L439 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-09-20 13:06:53,503 INFO L443 ceAbstractionStarter]: For program point L162(lines 162 170) no Hoare annotation was computed. [2019-09-20 13:06:53,503 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2019-09-20 13:06:53,503 INFO L443 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2019-09-20 13:06:53,504 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2019-09-20 13:06:53,504 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 965 972) no Hoare annotation was computed. [2019-09-20 13:06:53,504 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2019-09-20 13:06:53,504 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 965 972) the Hoare annotation is: true [2019-09-20 13:06:53,504 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 965 972) no Hoare annotation was computed. [2019-09-20 13:06:53,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:06:53 BoogieIcfgContainer [2019-09-20 13:06:53,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:06:53,520 INFO L168 Benchmark]: Toolchain (without parser) took 18025.29 ms. Allocated memory was 133.7 MB in the beginning and 492.8 MB in the end (delta: 359.1 MB). Free memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: -46.1 MB). Peak memory consumption was 373.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:53,521 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-20 13:06:53,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.35 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 87.9 MB in the beginning and 163.9 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:53,523 INFO L168 Benchmark]: Boogie Preprocessor took 119.08 ms. Allocated memory is still 199.8 MB. Free memory was 163.9 MB in the beginning and 159.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:53,524 INFO L168 Benchmark]: RCFGBuilder took 1294.48 ms. Allocated memory was 199.8 MB in the beginning and 225.4 MB in the end (delta: 25.7 MB). Free memory was 159.5 MB in the beginning and 189.2 MB in the end (delta: -29.7 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:53,525 INFO L168 Benchmark]: TraceAbstraction took 15872.60 ms. Allocated memory was 225.4 MB in the beginning and 492.8 MB in the end (delta: 267.4 MB). Free memory was 189.2 MB in the beginning and 134.2 MB in the end (delta: 55.0 MB). Peak memory consumption was 382.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:53,529 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.35 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 87.9 MB in the beginning and 163.9 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.08 ms. Allocated memory is still 199.8 MB. Free memory was 163.9 MB in the beginning and 159.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1294.48 ms. Allocated memory was 199.8 MB in the beginning and 225.4 MB in the end (delta: 25.7 MB). Free memory was 159.5 MB in the beginning and 189.2 MB in the end (delta: -29.7 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15872.60 ms. Allocated memory was 225.4 MB in the beginning and 492.8 MB in the end (delta: 267.4 MB). Free memory was 189.2 MB in the beginning and 134.2 MB in the end (delta: 55.0 MB). Peak memory consumption was 382.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 969]: 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: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (2 <= waterLevel && 0 == splverifierCounter)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. SAFE Result, 15.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 8.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2101 SDtfs, 2148 SDslu, 6711 SDs, 0 SdLazy, 5846 SolverSat, 1074 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1028 GetRequests, 887 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=954occurred 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, 342 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2040 PreInvPairs, 2088 NumberOfFragments, 907 HoareAnnotationTreeSize, 2040 FomulaSimplifications, 4875 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 64 FomulaSimplificationsInter, 5610 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2288 NumberOfCodeBlocks, 2288 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2271 ConstructedInterpolants, 0 QuantifiedInterpolants, 518609 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4599 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 620/682 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...