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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:06:52,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:06:52,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:06:52,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:06:52,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:06:52,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:06:52,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:06:52,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:06:52,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:06:52,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:06:52,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:06:52,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:06:52,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:06:52,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:06:52,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:06:52,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:06:52,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:06:52,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:06:52,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:06:52,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:06:52,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:06:52,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:06:52,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:06:52,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:06:52,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:06:52,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:06:52,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:06:52,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:06:52,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:06:52,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:06:52,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:06:52,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:06:52,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:06:52,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:06:52,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:06:52,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:06:52,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:06:52,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:06:52,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:06:52,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:06:52,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:06:52,559 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 13:06:52,573 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:06:52,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:06:52,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:06:52,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:06:52,575 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:06:52,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:06:52,576 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:06:52,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:06:52,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:06:52,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:06:52,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:06:52,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:06:52,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:06:52,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:06:52,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:06:52,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:06:52,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:06:52,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:06:52,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:06:52,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:06:52,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:06:52,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:06:52,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:06:52,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:06:52,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:06:52,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:06:52,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:06:52,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:06:52,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:06:52,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:06:52,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:06:52,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:06:52,630 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:06:52,630 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:06:52,631 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product64.cil.c [2019-09-20 13:06:52,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2889a88e1/ff8d20db47134bb6a4de5243693322a6/FLAG007782d0c [2019-09-20 13:06:53,275 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:06:53,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product64.cil.c [2019-09-20 13:06:53,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2889a88e1/ff8d20db47134bb6a4de5243693322a6/FLAG007782d0c [2019-09-20 13:06:53,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2889a88e1/ff8d20db47134bb6a4de5243693322a6 [2019-09-20 13:06:53,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:06:53,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:06:53,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:53,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:06:53,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:06:53,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:53" (1/1) ... [2019-09-20 13:06:53,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64bf9f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:53, skipping insertion in model container [2019-09-20 13:06:53,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:53" (1/1) ... [2019-09-20 13:06:53,572 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:06:53,628 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:06:54,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:54,120 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:06:54,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:54,271 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:06:54,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:54 WrapperNode [2019-09-20 13:06:54,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:54,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:06:54,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:06:54,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:06:54,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:54" (1/1) ... [2019-09-20 13:06:54,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:54" (1/1) ... [2019-09-20 13:06:54,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:54" (1/1) ... [2019-09-20 13:06:54,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:54" (1/1) ... [2019-09-20 13:06:54,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:54" (1/1) ... [2019-09-20 13:06:54,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:54" (1/1) ... [2019-09-20 13:06:54,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:54" (1/1) ... [2019-09-20 13:06:54,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:06:54,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:06:54,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:06:54,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:06:54,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:54" (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 13:06:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:06:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:06:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:06:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:06:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:06:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:06:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:06:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:06:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:54,430 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:06:54,430 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:06:54,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:06:54,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:54,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:06:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:06:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:06:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:06:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:06:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:06:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:06:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:06:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:06:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:06:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:06:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:06:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:06:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:06:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:06:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:06:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:06:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:06:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:06:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:06:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:06:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:06:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:06:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:06:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:06:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:06:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:06:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:06:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:06:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:06:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:06:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:06:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:06:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:06:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:06:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:06:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:06:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:06:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:06:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:06:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:06:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:06:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:06:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:06:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:06:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:06:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:06:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:06:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:06:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:06:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:06:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:06:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:06:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:06:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:06:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:06:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:06:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:06:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:06:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:06:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:06:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:06:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:06:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:06:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:06:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:06:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:06:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:06:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:06:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:06:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:06:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:06:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:06:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:06:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:06:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:06:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:06:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:06:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:06:55,549 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:06:55,553 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:06:55,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:55 BoogieIcfgContainer [2019-09-20 13:06:55,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:06:55,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:06:55,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:06:55,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:06:55,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:06:53" (1/3) ... [2019-09-20 13:06:55,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a6bad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:55, skipping insertion in model container [2019-09-20 13:06:55,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:54" (2/3) ... [2019-09-20 13:06:55,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a6bad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:55, skipping insertion in model container [2019-09-20 13:06:55,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:55" (3/3) ... [2019-09-20 13:06:55,567 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product64.cil.c [2019-09-20 13:06:55,577 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:06:55,589 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:06:55,606 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:06:55,643 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:06:55,644 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:06:55,644 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:06:55,644 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:06:55,644 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:06:55,644 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:06:55,644 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:06:55,645 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:06:55,645 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:06:55,667 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-09-20 13:06:55,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:06:55,677 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:55,678 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 13:06:55,680 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:55,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:55,686 INFO L82 PathProgramCache]: Analyzing trace with hash 22774911, now seen corresponding path program 1 times [2019-09-20 13:06:55,688 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:55,688 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:55,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:55,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:55,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:56,113 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 13:06:56,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:56,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:06:56,120 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:06:56,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:06:56,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:56,139 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 2 states. [2019-09-20 13:06:56,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:56,190 INFO L93 Difference]: Finished difference Result 326 states and 403 transitions. [2019-09-20 13:06:56,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:06:56,192 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:06:56,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:56,207 INFO L225 Difference]: With dead ends: 326 [2019-09-20 13:06:56,207 INFO L226 Difference]: Without dead ends: 163 [2019-09-20 13:06:56,213 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 13:06:56,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-09-20 13:06:56,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2019-09-20 13:06:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-09-20 13:06:56,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2019-09-20 13:06:56,280 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 46 [2019-09-20 13:06:56,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:56,281 INFO L475 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2019-09-20 13:06:56,281 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:06:56,281 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2019-09-20 13:06:56,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:06:56,287 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:56,287 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 13:06:56,288 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:56,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:56,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1731168874, now seen corresponding path program 1 times [2019-09-20 13:06:56,289 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:56,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:56,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:56,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:56,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:56,418 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 13:06:56,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:56,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:06:56,420 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:06:56,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:06:56,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:56,422 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 3 states. [2019-09-20 13:06:56,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:56,479 INFO L93 Difference]: Finished difference Result 265 states and 313 transitions. [2019-09-20 13:06:56,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:06:56,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:06:56,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:56,484 INFO L225 Difference]: With dead ends: 265 [2019-09-20 13:06:56,484 INFO L226 Difference]: Without dead ends: 154 [2019-09-20 13:06:56,488 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 13:06:56,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-09-20 13:06:56,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-09-20 13:06:56,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-09-20 13:06:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 181 transitions. [2019-09-20 13:06:56,512 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 181 transitions. Word has length 47 [2019-09-20 13:06:56,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:56,512 INFO L475 AbstractCegarLoop]: Abstraction has 154 states and 181 transitions. [2019-09-20 13:06:56,512 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:06:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 181 transitions. [2019-09-20 13:06:56,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:06:56,518 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:56,519 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] [2019-09-20 13:06:56,519 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:56,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:56,519 INFO L82 PathProgramCache]: Analyzing trace with hash -976432514, now seen corresponding path program 1 times [2019-09-20 13:06:56,519 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:56,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:56,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:56,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:56,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:56,694 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 13:06:56,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:56,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:06:56,695 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:06:56,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:06:56,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:56,699 INFO L87 Difference]: Start difference. First operand 154 states and 181 transitions. Second operand 7 states. [2019-09-20 13:06:57,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:57,407 INFO L93 Difference]: Finished difference Result 464 states and 563 transitions. [2019-09-20 13:06:57,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:06:57,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-20 13:06:57,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:57,412 INFO L225 Difference]: With dead ends: 464 [2019-09-20 13:06:57,412 INFO L226 Difference]: Without dead ends: 334 [2019-09-20 13:06:57,414 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 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 13:06:57,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-09-20 13:06:57,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 322. [2019-09-20 13:06:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-09-20 13:06:57,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 390 transitions. [2019-09-20 13:06:57,481 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 390 transitions. Word has length 52 [2019-09-20 13:06:57,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:57,482 INFO L475 AbstractCegarLoop]: Abstraction has 322 states and 390 transitions. [2019-09-20 13:06:57,482 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:06:57,482 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 390 transitions. [2019-09-20 13:06:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:06:57,491 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:57,495 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] [2019-09-20 13:06:57,495 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:57,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:57,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1952402222, now seen corresponding path program 1 times [2019-09-20 13:06:57,496 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:57,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:57,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:57,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:57,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:57,735 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 13:06:57,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:57,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:06:57,737 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:06:57,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:06:57,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:57,738 INFO L87 Difference]: Start difference. First operand 322 states and 390 transitions. Second operand 10 states. [2019-09-20 13:06:58,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:58,505 INFO L93 Difference]: Finished difference Result 1168 states and 1516 transitions. [2019-09-20 13:06:58,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:06:58,505 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-20 13:06:58,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:58,514 INFO L225 Difference]: With dead ends: 1168 [2019-09-20 13:06:58,514 INFO L226 Difference]: Without dead ends: 870 [2019-09-20 13:06:58,518 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 13:06:58,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2019-09-20 13:06:58,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 858. [2019-09-20 13:06:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2019-09-20 13:06:58,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1078 transitions. [2019-09-20 13:06:58,609 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1078 transitions. Word has length 57 [2019-09-20 13:06:58,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:58,609 INFO L475 AbstractCegarLoop]: Abstraction has 858 states and 1078 transitions. [2019-09-20 13:06:58,610 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:06:58,610 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1078 transitions. [2019-09-20 13:06:58,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:06:58,614 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:58,614 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] [2019-09-20 13:06:58,614 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:58,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:58,615 INFO L82 PathProgramCache]: Analyzing trace with hash 474058772, now seen corresponding path program 1 times [2019-09-20 13:06:58,615 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:58,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:58,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:58,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:58,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:58,723 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 13:06:58,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:58,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:06:58,724 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:06:58,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:06:58,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:06:58,724 INFO L87 Difference]: Start difference. First operand 858 states and 1078 transitions. Second operand 4 states. [2019-09-20 13:06:59,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:59,116 INFO L93 Difference]: Finished difference Result 2155 states and 2911 transitions. [2019-09-20 13:06:59,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:06:59,117 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-20 13:06:59,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:59,127 INFO L225 Difference]: With dead ends: 2155 [2019-09-20 13:06:59,127 INFO L226 Difference]: Without dead ends: 1321 [2019-09-20 13:06:59,132 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:06:59,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2019-09-20 13:06:59,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1183. [2019-09-20 13:06:59,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2019-09-20 13:06:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1468 transitions. [2019-09-20 13:06:59,227 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1468 transitions. Word has length 61 [2019-09-20 13:06:59,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:59,228 INFO L475 AbstractCegarLoop]: Abstraction has 1183 states and 1468 transitions. [2019-09-20 13:06:59,228 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:06:59,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1468 transitions. [2019-09-20 13:06:59,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-20 13:06:59,231 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:59,231 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] [2019-09-20 13:06:59,232 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:59,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:59,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1364424505, now seen corresponding path program 1 times [2019-09-20 13:06:59,232 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:59,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:59,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:59,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:59,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:59,337 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-20 13:06:59,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:59,338 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 13:06:59,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:59,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:06:59,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:59,919 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Stream Closed [2019-09-20 13:06:59,928 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:59,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-20 13:06:59,930 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-20 13:06:59,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-20 13:06:59,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:06:59,932 INFO L87 Difference]: Start difference. First operand 1183 states and 1468 transitions. Second operand 12 states. [2019-09-20 13:07:04,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:04,174 INFO L93 Difference]: Finished difference Result 2743 states and 3667 transitions. [2019-09-20 13:07:04,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-09-20 13:07:04,175 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2019-09-20 13:07:04,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:04,193 INFO L225 Difference]: With dead ends: 2743 [2019-09-20 13:07:04,193 INFO L226 Difference]: Without dead ends: 1876 [2019-09-20 13:07:04,200 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 831 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2019-09-20 13:07:04,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1876 states. [2019-09-20 13:07:04,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1876 to 1659. [2019-09-20 13:07:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1659 states. [2019-09-20 13:07:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2085 transitions. [2019-09-20 13:07:04,377 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2085 transitions. Word has length 89 [2019-09-20 13:07:04,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:04,377 INFO L475 AbstractCegarLoop]: Abstraction has 1659 states and 2085 transitions. [2019-09-20 13:07:04,378 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-20 13:07:04,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2085 transitions. [2019-09-20 13:07:04,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-09-20 13:07:04,386 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:04,387 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:07:04,387 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:04,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:04,388 INFO L82 PathProgramCache]: Analyzing trace with hash -165437453, now seen corresponding path program 1 times [2019-09-20 13:07:04,388 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:04,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:04,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:04,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:04,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:04,515 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:07:04,515 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:04,515 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 13:07:04,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:04,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:07:04,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-09-20 13:07:04,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:07:04,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2019-09-20 13:07:04,964 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:07:04,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:07:04,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:07:04,965 INFO L87 Difference]: Start difference. First operand 1659 states and 2085 transitions. Second operand 6 states. [2019-09-20 13:07:05,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:05,095 INFO L93 Difference]: Finished difference Result 3350 states and 4452 transitions. [2019-09-20 13:07:05,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:07:05,096 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2019-09-20 13:07:05,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:05,110 INFO L225 Difference]: With dead ends: 3350 [2019-09-20 13:07:05,110 INFO L226 Difference]: Without dead ends: 1715 [2019-09-20 13:07:05,118 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 171 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 13:07:05,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2019-09-20 13:07:05,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1699. [2019-09-20 13:07:05,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2019-09-20 13:07:05,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2129 transitions. [2019-09-20 13:07:05,235 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2129 transitions. Word has length 170 [2019-09-20 13:07:05,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:05,235 INFO L475 AbstractCegarLoop]: Abstraction has 1699 states and 2129 transitions. [2019-09-20 13:07:05,235 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:07:05,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2129 transitions. [2019-09-20 13:07:05,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-09-20 13:07:05,243 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:05,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:07:05,244 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:05,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:05,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1887440139, now seen corresponding path program 1 times [2019-09-20 13:07:05,246 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:05,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:05,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:05,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:05,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:05,374 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:07:05,375 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:05,375 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 13:07:05,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:05,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-20 13:07:05,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:05,726 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-09-20 13:07:05,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:07:05,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-20 13:07:05,742 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:07:05,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:07:05,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:07:05,744 INFO L87 Difference]: Start difference. First operand 1699 states and 2129 transitions. Second operand 11 states. [2019-09-20 13:07:05,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:05,864 INFO L93 Difference]: Finished difference Result 3095 states and 4000 transitions. [2019-09-20 13:07:05,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:07:05,864 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 170 [2019-09-20 13:07:05,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:05,876 INFO L225 Difference]: With dead ends: 3095 [2019-09-20 13:07:05,877 INFO L226 Difference]: Without dead ends: 1420 [2019-09-20 13:07:05,884 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 170 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 13:07:05,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2019-09-20 13:07:06,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1420. [2019-09-20 13:07:06,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1420 states. [2019-09-20 13:07:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 1781 transitions. [2019-09-20 13:07:06,030 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 1781 transitions. Word has length 170 [2019-09-20 13:07:06,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:06,030 INFO L475 AbstractCegarLoop]: Abstraction has 1420 states and 1781 transitions. [2019-09-20 13:07:06,030 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:07:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1781 transitions. [2019-09-20 13:07:06,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-09-20 13:07:06,035 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:06,036 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:07:06,036 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:06,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:06,036 INFO L82 PathProgramCache]: Analyzing trace with hash -992562416, now seen corresponding path program 1 times [2019-09-20 13:07:06,036 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:06,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:06,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:06,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:06,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:06,203 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-20 13:07:06,203 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:06,203 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 13:07:06,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:06,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:07:06,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:07:06,507 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:07:06,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-20 13:07:06,508 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:07:06,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:07:06,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:07:06,508 INFO L87 Difference]: Start difference. First operand 1420 states and 1781 transitions. Second operand 11 states. [2019-09-20 13:07:09,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:09,042 INFO L93 Difference]: Finished difference Result 2841 states and 3779 transitions. [2019-09-20 13:07:09,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-20 13:07:09,043 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2019-09-20 13:07:09,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:09,056 INFO L225 Difference]: With dead ends: 2841 [2019-09-20 13:07:09,056 INFO L226 Difference]: Without dead ends: 1614 [2019-09-20 13:07:09,064 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 179 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 13:07:09,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2019-09-20 13:07:09,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1306. [2019-09-20 13:07:09,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1306 states. [2019-09-20 13:07:09,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1306 states and 1633 transitions. [2019-09-20 13:07:09,177 INFO L78 Accepts]: Start accepts. Automaton has 1306 states and 1633 transitions. Word has length 174 [2019-09-20 13:07:09,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:09,180 INFO L475 AbstractCegarLoop]: Abstraction has 1306 states and 1633 transitions. [2019-09-20 13:07:09,181 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:07:09,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1633 transitions. [2019-09-20 13:07:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-09-20 13:07:09,188 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:09,188 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:07:09,188 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:09,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:09,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1644486860, now seen corresponding path program 2 times [2019-09-20 13:07:09,189 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:09,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:09,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:09,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:09,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:09,498 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-09-20 13:07:09,498 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:09,499 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 13:07:09,563 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-20 13:07:09,750 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-20 13:07:09,751 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-20 13:07:09,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-20 13:07:09,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:09,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:07:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-09-20 13:07:09,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:07:09,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:07:09,945 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:07:09,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:07:09,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:07:09,946 INFO L87 Difference]: Start difference. First operand 1306 states and 1633 transitions. Second operand 16 states. [2019-09-20 13:07:13,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:13,284 INFO L93 Difference]: Finished difference Result 3686 states and 4970 transitions. [2019-09-20 13:07:13,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-20 13:07:13,285 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 244 [2019-09-20 13:07:13,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:13,308 INFO L225 Difference]: With dead ends: 3686 [2019-09-20 13:07:13,309 INFO L226 Difference]: Without dead ends: 2569 [2019-09-20 13:07:13,316 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=737, Unknown=0, NotChecked=0, Total=930 [2019-09-20 13:07:13,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2019-09-20 13:07:13,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2346. [2019-09-20 13:07:13,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2346 states. [2019-09-20 13:07:13,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2346 states and 2919 transitions. [2019-09-20 13:07:13,553 INFO L78 Accepts]: Start accepts. Automaton has 2346 states and 2919 transitions. Word has length 244 [2019-09-20 13:07:13,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:13,554 INFO L475 AbstractCegarLoop]: Abstraction has 2346 states and 2919 transitions. [2019-09-20 13:07:13,554 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:07:13,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2919 transitions. [2019-09-20 13:07:13,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-09-20 13:07:13,566 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:13,567 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:07:13,567 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:13,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:13,568 INFO L82 PathProgramCache]: Analyzing trace with hash -255192846, now seen corresponding path program 1 times [2019-09-20 13:07:13,568 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:13,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:13,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:13,571 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:07:13,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-09-20 13:07:13,743 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:13,743 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:07:13,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:13,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:07:13,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-09-20 13:07:14,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:07:14,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-20 13:07:14,049 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:07:14,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:07:14,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:07:14,053 INFO L87 Difference]: Start difference. First operand 2346 states and 2919 transitions. Second operand 13 states. [2019-09-20 13:07:14,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:14,150 INFO L93 Difference]: Finished difference Result 3073 states and 3791 transitions. [2019-09-20 13:07:14,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:07:14,151 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 244 [2019-09-20 13:07:14,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:14,152 INFO L225 Difference]: With dead ends: 3073 [2019-09-20 13:07:14,152 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:07:14,160 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 243 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 13:07:14,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:07:14,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:07:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:07:14,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:07:14,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2019-09-20 13:07:14,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:14,162 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:07:14,162 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:07:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:07:14,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:07:14,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:07:14,433 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 44 [2019-09-20 13:07:16,340 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2019-09-20 13:07:16,550 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 23 [2019-09-20 13:07:17,044 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 29 [2019-09-20 13:07:17,242 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 18 [2019-09-20 13:07:17,983 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 26 [2019-09-20 13:07:18,445 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 16 [2019-09-20 13:07:18,743 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2019-09-20 13:07:18,999 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 32 [2019-09-20 13:07:19,094 INFO L443 ceAbstractionStarter]: For program point L605(lines 605 609) no Hoare annotation was computed. [2019-09-20 13:07:19,094 INFO L443 ceAbstractionStarter]: For program point L605-1(lines 605 609) no Hoare annotation was computed. [2019-09-20 13:07:19,094 INFO L443 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2019-09-20 13:07:19,094 INFO L443 ceAbstractionStarter]: For program point L599-2(lines 599 620) no Hoare annotation was computed. [2019-09-20 13:07:19,094 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 574 629) no Hoare annotation was computed. [2019-09-20 13:07:19,094 INFO L443 ceAbstractionStarter]: For program point L621(lines 598 622) no Hoare annotation was computed. [2019-09-20 13:07:19,094 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 574 629) no Hoare annotation was computed. [2019-09-20 13:07:19,094 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 574 629) no Hoare annotation was computed. [2019-09-20 13:07:19,094 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 666) no Hoare annotation was computed. [2019-09-20 13:07:19,095 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 630 689) no Hoare annotation was computed. [2019-09-20 13:07:19,095 INFO L443 ceAbstractionStarter]: For program point L662-1(lines 662 666) no Hoare annotation was computed. [2019-09-20 13:07:19,095 INFO L443 ceAbstractionStarter]: For program point L657(line 657) no Hoare annotation was computed. [2019-09-20 13:07:19,095 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 630 689) no Hoare annotation was computed. [2019-09-20 13:07:19,095 INFO L443 ceAbstractionStarter]: For program point L656-2(lines 656 681) no Hoare annotation was computed. [2019-09-20 13:07:19,095 INFO L443 ceAbstractionStarter]: For program point L682(lines 655 683) no Hoare annotation was computed. [2019-09-20 13:07:19,095 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 630 689) no Hoare annotation was computed. [2019-09-20 13:07:19,095 INFO L443 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2019-09-20 13:07:19,095 INFO L443 ceAbstractionStarter]: For program point L675-1(line 675) no Hoare annotation was computed. [2019-09-20 13:07:19,095 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 1009 1015) the Hoare annotation is: true [2019-09-20 13:07:19,096 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 1009 1015) no Hoare annotation was computed. [2019-09-20 13:07:19,096 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1016 1024) no Hoare annotation was computed. [2019-09-20 13:07:19,096 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1016 1024) the Hoare annotation is: true [2019-09-20 13:07:19,096 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1016 1024) no Hoare annotation was computed. [2019-09-20 13:07:19,096 INFO L446 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: true [2019-09-20 13:07:19,096 INFO L443 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2019-09-20 13:07:19,096 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2019-09-20 13:07:19,096 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2019-09-20 13:07:19,096 INFO L439 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1))) [2019-09-20 13:07:19,097 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 173) no Hoare annotation was computed. [2019-09-20 13:07:19,097 INFO L439 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1))) [2019-09-20 13:07:19,097 INFO L443 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2019-09-20 13:07:19,097 INFO L443 ceAbstractionStarter]: For program point L163(lines 163 176) no Hoare annotation was computed. [2019-09-20 13:07:19,097 INFO L443 ceAbstractionStarter]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2019-09-20 13:07:19,097 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-09-20 13:07:19,097 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-09-20 13:07:19,097 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:19,097 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:19,097 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:19,098 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:19,098 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-09-20 13:07:19,098 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-09-20 13:07:19,098 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:19,098 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:19,098 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-09-20 13:07:19,098 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-09-20 13:07:19,098 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-09-20 13:07:19,099 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-09-20 13:07:19,099 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-09-20 13:07:19,099 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-09-20 13:07:19,099 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-09-20 13:07:19,099 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-09-20 13:07:19,099 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-09-20 13:07:19,099 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-09-20 13:07:19,099 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-09-20 13:07:19,099 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-09-20 13:07:19,099 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-09-20 13:07:19,099 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-09-20 13:07:19,099 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-09-20 13:07:19,100 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-09-20 13:07:19,100 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-09-20 13:07:19,100 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-09-20 13:07:19,100 INFO L439 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2019-09-20 13:07:19,100 INFO L443 ceAbstractionStarter]: For program point L339-1(lines 320 344) no Hoare annotation was computed. [2019-09-20 13:07:19,100 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 320 344) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:19,100 INFO L439 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:19,101 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 320 344) no Hoare annotation was computed. [2019-09-20 13:07:19,101 INFO L439 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 (and (= processEnvironment__wrappee__methaneQuery_~tmp~4 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:19,101 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 336) no Hoare annotation was computed. [2019-09-20 13:07:19,101 INFO L439 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:19,101 INFO L443 ceAbstractionStarter]: For program point L326-1(line 326) no Hoare annotation was computed. [2019-09-20 13:07:19,101 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 341) no Hoare annotation was computed. [2019-09-20 13:07:19,101 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 498 512) no Hoare annotation was computed. [2019-09-20 13:07:19,102 INFO L439 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (or (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0))))) [2019-09-20 13:07:19,102 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2019-09-20 13:07:19,102 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 498 512) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1) .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (or (= |old(~systemActive~0)| 0) .cse1)) (or (or .cse0 (not (= ~waterLevel~0 1))) .cse2))) [2019-09-20 13:07:19,102 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 498 512) no Hoare annotation was computed. [2019-09-20 13:07:19,102 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 415 423) no Hoare annotation was computed. [2019-09-20 13:07:19,102 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 415 423) the Hoare annotation is: true [2019-09-20 13:07:19,103 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 415 423) no Hoare annotation was computed. [2019-09-20 13:07:19,103 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 479 497) the Hoare annotation is: true [2019-09-20 13:07:19,103 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2019-09-20 13:07:19,103 INFO L446 ceAbstractionStarter]: At program point L486(line 486) the Hoare annotation is: true [2019-09-20 13:07:19,103 INFO L443 ceAbstractionStarter]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2019-09-20 13:07:19,103 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 479 497) no Hoare annotation was computed. [2019-09-20 13:07:19,103 INFO L443 ceAbstractionStarter]: For program point L486-1(line 486) no Hoare annotation was computed. [2019-09-20 13:07:19,103 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 479 497) no Hoare annotation was computed. [2019-09-20 13:07:19,104 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 451) no Hoare annotation was computed. [2019-09-20 13:07:19,104 INFO L443 ceAbstractionStarter]: For program point L443-2(lines 443 451) no Hoare annotation was computed. [2019-09-20 13:07:19,104 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 439) no Hoare annotation was computed. [2019-09-20 13:07:19,104 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 424 459) no Hoare annotation was computed. [2019-09-20 13:07:19,104 INFO L443 ceAbstractionStarter]: For program point L431-2(lines 431 439) no Hoare annotation was computed. [2019-09-20 13:07:19,104 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 424 459) no Hoare annotation was computed. [2019-09-20 13:07:19,104 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-09-20 13:07:19,104 INFO L443 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2019-09-20 13:07:19,105 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 424 459) no Hoare annotation was computed. [2019-09-20 13:07:19,105 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 1002 1008) no Hoare annotation was computed. [2019-09-20 13:07:19,105 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 1002 1008) the Hoare annotation is: true [2019-09-20 13:07:19,105 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 528 573) no Hoare annotation was computed. [2019-09-20 13:07:19,105 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 528 573) no Hoare annotation was computed. [2019-09-20 13:07:19,105 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 528 573) no Hoare annotation was computed. [2019-09-20 13:07:19,105 INFO L443 ceAbstractionStarter]: For program point L861(lines 861 868) no Hoare annotation was computed. [2019-09-20 13:07:19,105 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 841 886) no Hoare annotation was computed. [2019-09-20 13:07:19,106 INFO L443 ceAbstractionStarter]: For program point L855(lines 855 875) no Hoare annotation was computed. [2019-09-20 13:07:19,106 INFO L443 ceAbstractionStarter]: For program point L855-1(lines 855 875) no Hoare annotation was computed. [2019-09-20 13:07:19,106 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 841 886) no Hoare annotation was computed. [2019-09-20 13:07:19,106 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 841 886) no Hoare annotation was computed. [2019-09-20 13:07:19,106 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:19,106 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-09-20 13:07:19,106 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-09-20 13:07:19,106 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 404 414) the Hoare annotation is: true [2019-09-20 13:07:19,107 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 404 414) no Hoare annotation was computed. [2019-09-20 13:07:19,107 INFO L446 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: true [2019-09-20 13:07:19,107 INFO L443 ceAbstractionStarter]: For program point L409-1(line 409) no Hoare annotation was computed. [2019-09-20 13:07:19,107 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 404 414) no Hoare annotation was computed. [2019-09-20 13:07:19,107 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 396 403) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:19,107 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 396 403) no Hoare annotation was computed. [2019-09-20 13:07:19,107 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 396 403) no Hoare annotation was computed. [2019-09-20 13:07:19,107 INFO L443 ceAbstractionStarter]: For program point L971(lines 971 977) no Hoare annotation was computed. [2019-09-20 13:07:19,108 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 967 980) no Hoare annotation was computed. [2019-09-20 13:07:19,108 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 967 980) the Hoare annotation is: true [2019-09-20 13:07:19,108 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 967 980) no Hoare annotation was computed. [2019-09-20 13:07:19,108 INFO L439 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:19,108 INFO L443 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2019-09-20 13:07:19,108 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 367) no Hoare annotation was computed. [2019-09-20 13:07:19,108 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 346 370) no Hoare annotation was computed. [2019-09-20 13:07:19,108 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 346 370) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:19,109 INFO L439 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2019-09-20 13:07:19,109 INFO L443 ceAbstractionStarter]: For program point L365-1(lines 346 370) no Hoare annotation was computed. [2019-09-20 13:07:19,109 INFO L439 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:19,109 INFO L439 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:19,109 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 362) no Hoare annotation was computed. [2019-09-20 13:07:19,109 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2019-09-20 13:07:19,109 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2019-09-20 13:07:19,110 INFO L439 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:19,110 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 183 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:19,110 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2019-09-20 13:07:19,110 INFO L439 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:19,110 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 183 250) no Hoare annotation was computed. [2019-09-20 13:07:19,110 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2019-09-20 13:07:19,111 INFO L443 ceAbstractionStarter]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2019-09-20 13:07:19,111 INFO L439 ceAbstractionStarter]: At program point L240(lines 193 242) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-09-20 13:07:19,111 INFO L439 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-09-20 13:07:19,111 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-09-20 13:07:19,111 INFO L443 ceAbstractionStarter]: For program point L203-1(lines 203 209) no Hoare annotation was computed. [2019-09-20 13:07:19,111 INFO L443 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2019-09-20 13:07:19,111 INFO L439 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:19,112 INFO L439 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) (and .cse0 (not (= 0 ~systemActive~0)))) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:19,112 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2019-09-20 13:07:19,112 INFO L439 ceAbstractionStarter]: At program point L231-1(lines 223 238) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:19,112 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 183 250) no Hoare annotation was computed. [2019-09-20 13:07:19,112 INFO L443 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2019-09-20 13:07:19,112 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 795 840) no Hoare annotation was computed. [2019-09-20 13:07:19,112 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 795 840) no Hoare annotation was computed. [2019-09-20 13:07:19,113 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 795 840) no Hoare annotation was computed. [2019-09-20 13:07:19,113 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 822) no Hoare annotation was computed. [2019-09-20 13:07:19,113 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 829) no Hoare annotation was computed. [2019-09-20 13:07:19,113 INFO L443 ceAbstractionStarter]: For program point L809-1(lines 809 829) no Hoare annotation was computed. [2019-09-20 13:07:19,113 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 371 378) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:19,113 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 371 378) no Hoare annotation was computed. [2019-09-20 13:07:19,113 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 371 378) no Hoare annotation was computed. [2019-09-20 13:07:19,113 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 981 989) no Hoare annotation was computed. [2019-09-20 13:07:19,114 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 981 989) the Hoare annotation is: true [2019-09-20 13:07:19,114 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 981 989) no Hoare annotation was computed. [2019-09-20 13:07:19,114 INFO L443 ceAbstractionStarter]: For program point L943(lines 943 951) no Hoare annotation was computed. [2019-09-20 13:07:19,114 INFO L443 ceAbstractionStarter]: For program point L943-2(lines 943 951) no Hoare annotation was computed. [2019-09-20 13:07:19,114 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 935 957) no Hoare annotation was computed. [2019-09-20 13:07:19,114 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 935 957) no Hoare annotation was computed. [2019-09-20 13:07:19,114 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 935 957) no Hoare annotation was computed. [2019-09-20 13:07:19,114 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 692 794) no Hoare annotation was computed. [2019-09-20 13:07:19,115 INFO L443 ceAbstractionStarter]: For program point L762(lines 740 763) no Hoare annotation was computed. [2019-09-20 13:07:19,115 INFO L443 ceAbstractionStarter]: For program point L721(lines 721 737) no Hoare annotation was computed. [2019-09-20 13:07:19,115 INFO L443 ceAbstractionStarter]: For program point L781(lines 781 788) no Hoare annotation was computed. [2019-09-20 13:07:19,115 INFO L443 ceAbstractionStarter]: For program point L742(lines 741 761) no Hoare annotation was computed. [2019-09-20 13:07:19,115 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 692 794) no Hoare annotation was computed. [2019-09-20 13:07:19,115 INFO L443 ceAbstractionStarter]: For program point L773(line 773) no Hoare annotation was computed. [2019-09-20 13:07:19,115 INFO L443 ceAbstractionStarter]: For program point L773-1(line 773) no Hoare annotation was computed. [2019-09-20 13:07:19,115 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 779) no Hoare annotation was computed. [2019-09-20 13:07:19,116 INFO L443 ceAbstractionStarter]: For program point L757(line 757) no Hoare annotation was computed. [2019-09-20 13:07:19,116 INFO L443 ceAbstractionStarter]: For program point L757-1(line 757) no Hoare annotation was computed. [2019-09-20 13:07:19,116 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 692 794) no Hoare annotation was computed. [2019-09-20 13:07:19,116 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 720) no Hoare annotation was computed. [2019-09-20 13:07:19,116 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 791) no Hoare annotation was computed. [2019-09-20 13:07:19,116 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 747) no Hoare annotation was computed. [2019-09-20 13:07:19,116 INFO L443 ceAbstractionStarter]: For program point L741-2(lines 741 761) no Hoare annotation was computed. [2019-09-20 13:07:19,116 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 992 1001) no Hoare annotation was computed. [2019-09-20 13:07:19,117 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 992 1001) no Hoare annotation was computed. [2019-09-20 13:07:19,117 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 992 1001) no Hoare annotation was computed. [2019-09-20 13:07:19,117 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:19,117 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 13:07:19,117 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:19,117 INFO L439 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:19,117 INFO L443 ceAbstractionStarter]: For program point L384-1(line 384) no Hoare annotation was computed. [2019-09-20 13:07:19,117 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 379 395) no Hoare annotation was computed. [2019-09-20 13:07:19,118 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 379 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:19,118 INFO L439 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:19,118 INFO L443 ceAbstractionStarter]: For program point L390-1(lines 379 395) no Hoare annotation was computed. [2019-09-20 13:07:19,118 INFO L443 ceAbstractionStarter]: For program point L386(lines 386 392) no Hoare annotation was computed. [2019-09-20 13:07:19,118 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 958 966) the Hoare annotation is: true [2019-09-20 13:07:19,118 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 958 966) no Hoare annotation was computed. [2019-09-20 13:07:19,118 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 958 966) no Hoare annotation was computed. [2019-09-20 13:07:19,119 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 460 478) no Hoare annotation was computed. [2019-09-20 13:07:19,119 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 460 478) the Hoare annotation is: true [2019-09-20 13:07:19,119 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-09-20 13:07:19,119 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 460 478) no Hoare annotation was computed. [2019-09-20 13:07:19,119 INFO L446 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: true [2019-09-20 13:07:19,119 INFO L443 ceAbstractionStarter]: For program point L469-2(lines 469 473) no Hoare annotation was computed. [2019-09-20 13:07:19,119 INFO L443 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2019-09-20 13:07:19,119 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 914 925) the Hoare annotation is: true [2019-09-20 13:07:19,119 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 914 925) no Hoare annotation was computed. [2019-09-20 13:07:19,120 INFO L443 ceAbstractionStarter]: For program point L918-1(lines 914 925) no Hoare annotation was computed. [2019-09-20 13:07:19,120 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:19,120 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:07:19,120 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:19,120 INFO L439 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0)))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (let ((.cse1 (+ ~waterLevel~0 1))) (and (<= .cse1 |old(~waterLevel~0)|) .cse2 (<= |old(~waterLevel~0)| .cse1))) (= ~systemActive~0 0) (and .cse2 .cse0) (not (<= 2 |old(~waterLevel~0)|)))))) [2019-09-20 13:07:19,121 INFO L439 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (and .cse7 .cse9 (not (= 0 ~systemActive~0)))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse9 .cse6))) (and (or (or .cse0 .cse1) .cse2 .cse3) (let ((.cse8 (+ ~waterLevel~0 1))) (let ((.cse4 (<= .cse8 |old(~waterLevel~0)|)) (.cse5 (<= |old(~waterLevel~0)| .cse8))) (or (= ~systemActive~0 0) .cse2 .cse1 (and .cse4 .cse5 .cse6) (and .cse4 .cse7 .cse5)))) (or .cse0 .cse3 (not (= |old(~waterLevel~0)| 1)))))) [2019-09-20 13:07:19,121 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))))) [2019-09-20 13:07:19,121 INFO L439 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or (= ~systemActive~0 0) .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1))) [2019-09-20 13:07:19,121 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2019-09-20 13:07:19,121 INFO L443 ceAbstractionStarter]: For program point L266(lines 265 284) no Hoare annotation was computed. [2019-09-20 13:07:19,121 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2019-09-20 13:07:19,121 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-09-20 13:07:19,122 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-09-20 13:07:19,122 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-09-20 13:07:19,122 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-09-20 13:07:19,122 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-09-20 13:07:19,122 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-09-20 13:07:19,122 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-09-20 13:07:19,122 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-09-20 13:07:19,122 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-09-20 13:07:19,122 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-09-20 13:07:19,123 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 926 934) the Hoare annotation is: true [2019-09-20 13:07:19,123 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 926 934) no Hoare annotation was computed. [2019-09-20 13:07:19,123 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 926 934) no Hoare annotation was computed. [2019-09-20 13:07:19,123 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 890 901) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:07:19,123 INFO L443 ceAbstractionStarter]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2019-09-20 13:07:19,123 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 890 901) no Hoare annotation was computed. [2019-09-20 13:07:19,123 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-09-20 13:07:19,123 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-09-20 13:07:19,123 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:19,124 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-20 13:07:19,124 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:07:19,124 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:19,124 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 513 520) no Hoare annotation was computed. [2019-09-20 13:07:19,124 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 513 520) the Hoare annotation is: true [2019-09-20 13:07:19,124 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 513 520) no Hoare annotation was computed. [2019-09-20 13:07:19,124 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 294 318) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:19,124 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 294 318) no Hoare annotation was computed. [2019-09-20 13:07:19,125 INFO L439 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:19,125 INFO L443 ceAbstractionStarter]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2019-09-20 13:07:19,125 INFO L439 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:19,125 INFO L439 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-09-20 13:07:19,125 INFO L443 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2019-09-20 13:07:19,125 INFO L439 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:19,125 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-09-20 13:07:19,125 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2019-09-20 13:07:19,126 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 902 913) no Hoare annotation was computed. [2019-09-20 13:07:19,126 INFO L443 ceAbstractionStarter]: For program point L906-1(lines 902 913) no Hoare annotation was computed. [2019-09-20 13:07:19,126 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 902 913) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))))) [2019-09-20 13:07:19,126 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 144 151) no Hoare annotation was computed. [2019-09-20 13:07:19,126 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2019-09-20 13:07:19,126 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2019-09-20 13:07:19,127 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2019-09-20 13:07:19,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:07:19 BoogieIcfgContainer [2019-09-20 13:07:19,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:07:19,144 INFO L168 Benchmark]: Toolchain (without parser) took 25588.96 ms. Allocated memory was 132.1 MB in the beginning and 706.7 MB in the end (delta: 574.6 MB). Free memory was 85.1 MB in the beginning and 536.3 MB in the end (delta: -451.2 MB). Peak memory consumption was 589.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:19,145 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:07:19,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.98 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 85.1 MB in the beginning and 161.3 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:19,147 INFO L168 Benchmark]: Boogie Preprocessor took 89.64 ms. Allocated memory is still 198.7 MB. Free memory was 161.3 MB in the beginning and 157.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:19,148 INFO L168 Benchmark]: RCFGBuilder took 1191.91 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 157.6 MB in the beginning and 184.9 MB in the end (delta: -27.3 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:19,149 INFO L168 Benchmark]: TraceAbstraction took 23584.04 ms. Allocated memory was 221.2 MB in the beginning and 706.7 MB in the end (delta: 485.5 MB). Free memory was 183.3 MB in the beginning and 536.3 MB in the end (delta: -352.9 MB). Peak memory consumption was 598.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:19,152 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.98 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 85.1 MB in the beginning and 161.3 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.64 ms. Allocated memory is still 198.7 MB. Free memory was 161.3 MB in the beginning and 157.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1191.91 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 157.6 MB in the beginning and 184.9 MB in the end (delta: -27.3 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23584.04 ms. Allocated memory was 221.2 MB in the beginning and 706.7 MB in the end (delta: 485.5 MB). Free memory was 183.3 MB in the beginning and 536.3 MB in the end (delta: -352.9 MB). Peak memory consumption was 598.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 193]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 262 locations, 1 error locations. SAFE Result, 23.4s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 12.6s AutomataDifference, 0.0s DeadEndRemovalTime, 4.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2321 SDtfs, 3011 SDslu, 7382 SDs, 0 SdLazy, 8435 SolverSat, 1930 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1293 GetRequests, 1136 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2346occurred in iteration=10, 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: 1.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 926 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 4829 PreInvPairs, 4952 NumberOfFragments, 1185 HoareAnnotationTreeSize, 4829 FomulaSimplifications, 20604 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 74 FomulaSimplificationsInter, 12985 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2445 NumberOfCodeBlocks, 2445 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2428 ConstructedInterpolants, 0 QuantifiedInterpolants, 621394 SizeOfPredicates, 18 NumberOfNonLiveVariables, 5809 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 814/902 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...