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_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:06:36,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:06:36,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:06:36,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:06:36,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:06:36,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:06:36,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:06:36,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:06:36,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:06:36,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:06:36,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:06:36,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:06:36,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:06:36,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:06:36,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:06:36,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:06:36,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:06:36,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:06:36,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:06:36,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:06:36,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:06:36,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:06:36,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:06:36,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:06:36,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:06:36,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:06:36,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:06:36,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:06:36,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:06:36,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:06:36,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:06:36,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:06:36,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:06:36,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:06:36,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:06:36,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:06:36,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:06:36,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:06:36,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:06:36,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:06:36,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:06:36,580 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 13:06:36,595 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:06:36,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:06:36,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:06:36,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:06:36,597 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:06:36,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:06:36,598 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:06:36,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:06:36,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:06:36,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:06:36,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:06:36,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:06:36,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:06:36,599 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:06:36,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:06:36,600 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:06:36,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:06:36,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:06:36,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:06:36,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:06:36,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:06:36,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:06:36,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:06:36,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:06:36,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:06:36,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:06:36,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:06:36,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:06:36,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:06:36,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:06:36,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:06:36,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:06:36,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:06:36,665 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:06:36,666 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2019-09-20 13:06:36,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c642e09/dd8cf5438a8a436989e937cb68314460/FLAG2c2797d66 [2019-09-20 13:06:37,235 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:06:37,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2019-09-20 13:06:37,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c642e09/dd8cf5438a8a436989e937cb68314460/FLAG2c2797d66 [2019-09-20 13:06:37,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c642e09/dd8cf5438a8a436989e937cb68314460 [2019-09-20 13:06:37,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:06:37,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:06:37,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:37,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:06:37,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:06:37,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:37" (1/1) ... [2019-09-20 13:06:37,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348f237d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:37, skipping insertion in model container [2019-09-20 13:06:37,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:37" (1/1) ... [2019-09-20 13:06:37,516 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:06:37,578 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:06:38,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:38,191 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:06:38,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:38,327 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:06:38,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:38 WrapperNode [2019-09-20 13:06:38,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:38,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:06:38,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:06:38,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:06:38,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:38" (1/1) ... [2019-09-20 13:06:38,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:38" (1/1) ... [2019-09-20 13:06:38,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:38" (1/1) ... [2019-09-20 13:06:38,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:38" (1/1) ... [2019-09-20 13:06:38,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:38" (1/1) ... [2019-09-20 13:06:38,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:38" (1/1) ... [2019-09-20 13:06:38,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:38" (1/1) ... [2019-09-20 13:06:38,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:06:38,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:06:38,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:06:38,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:06:38,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:38" (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 13:06:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:06:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:06:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:06:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:06:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:06:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:06:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:06:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:06:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:06:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:06:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:06:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:06:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:06:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:06:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:06:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:06:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:06:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:06:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:06:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:06:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:06:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:06:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:06:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:06:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:06:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:06:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:06:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:06:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:06:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:06:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:06:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:06:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:06:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:06:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:06:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:06:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:06:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:06:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:06:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:06:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:06:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:06:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:06:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:06:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:06:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:06:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:38,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:06:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:06:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:06:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:06:38,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:06:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:06:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:06:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:06:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:06:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:06:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:06:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:06:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:06:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:06:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:06:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:06:38,479 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:06:38,479 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:06:38,479 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:06:38,479 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:06:38,479 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:06:38,479 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:06:38,479 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:06:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:06:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:06:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:06:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:06:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:06:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:06:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:06:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:06:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:06:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:06:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:06:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:06:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:06:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:06:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:06:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:06:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:06:39,594 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:06:39,595 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:06:39,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:39 BoogieIcfgContainer [2019-09-20 13:06:39,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:06:39,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:06:39,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:06:39,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:06:39,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:06:37" (1/3) ... [2019-09-20 13:06:39,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37211026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:39, skipping insertion in model container [2019-09-20 13:06:39,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:38" (2/3) ... [2019-09-20 13:06:39,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37211026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:39, skipping insertion in model container [2019-09-20 13:06:39,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:39" (3/3) ... [2019-09-20 13:06:39,635 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2019-09-20 13:06:39,645 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:06:39,656 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:06:39,673 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:06:39,699 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:06:39,700 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:06:39,700 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:06:39,700 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:06:39,701 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:06:39,701 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:06:39,701 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:06:39,701 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:06:39,701 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:06:39,726 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2019-09-20 13:06:39,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:06:39,737 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:39,738 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 13:06:39,741 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:39,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:39,747 INFO L82 PathProgramCache]: Analyzing trace with hash -298144076, now seen corresponding path program 1 times [2019-09-20 13:06:39,749 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:39,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:39,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:39,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:40,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:40,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:06:40,090 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:06:40,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:06:40,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:40,111 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 2 states. [2019-09-20 13:06:40,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:40,192 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2019-09-20 13:06:40,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:06:40,193 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:06:40,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:40,206 INFO L225 Difference]: With dead ends: 294 [2019-09-20 13:06:40,207 INFO L226 Difference]: Without dead ends: 147 [2019-09-20 13:06:40,213 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 13:06:40,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-09-20 13:06:40,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-09-20 13:06:40,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-09-20 13:06:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 170 transitions. [2019-09-20 13:06:40,270 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 170 transitions. Word has length 46 [2019-09-20 13:06:40,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:40,271 INFO L475 AbstractCegarLoop]: Abstraction has 147 states and 170 transitions. [2019-09-20 13:06:40,271 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:06:40,271 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 170 transitions. [2019-09-20 13:06:40,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:06:40,274 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:40,275 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 13:06:40,275 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:40,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:40,276 INFO L82 PathProgramCache]: Analyzing trace with hash -491113124, now seen corresponding path program 1 times [2019-09-20 13:06:40,276 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:40,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:40,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:40,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:40,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:40,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:06:40,427 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:06:40,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:06:40,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:40,429 INFO L87 Difference]: Start difference. First operand 147 states and 170 transitions. Second operand 3 states. [2019-09-20 13:06:40,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:40,470 INFO L93 Difference]: Finished difference Result 239 states and 275 transitions. [2019-09-20 13:06:40,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:06:40,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:06:40,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:40,474 INFO L225 Difference]: With dead ends: 239 [2019-09-20 13:06:40,474 INFO L226 Difference]: Without dead ends: 138 [2019-09-20 13:06:40,479 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 13:06:40,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-09-20 13:06:40,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-09-20 13:06:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-09-20 13:06:40,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 158 transitions. [2019-09-20 13:06:40,497 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 158 transitions. Word has length 47 [2019-09-20 13:06:40,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:40,498 INFO L475 AbstractCegarLoop]: Abstraction has 138 states and 158 transitions. [2019-09-20 13:06:40,498 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:06:40,498 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2019-09-20 13:06:40,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:06:40,500 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:40,501 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 13:06:40,501 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:40,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:40,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1388977157, now seen corresponding path program 1 times [2019-09-20 13:06:40,502 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:40,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:40,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:40,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:40,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:40,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:06:40,625 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:06:40,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:06:40,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:40,626 INFO L87 Difference]: Start difference. First operand 138 states and 158 transitions. Second operand 7 states. [2019-09-20 13:06:40,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:40,928 INFO L93 Difference]: Finished difference Result 252 states and 293 transitions. [2019-09-20 13:06:40,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:06:40,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-20 13:06:40,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:40,931 INFO L225 Difference]: With dead ends: 252 [2019-09-20 13:06:40,931 INFO L226 Difference]: Without dead ends: 138 [2019-09-20 13:06:40,932 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 13:06:40,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-09-20 13:06:40,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-09-20 13:06:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-09-20 13:06:40,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 157 transitions. [2019-09-20 13:06:40,946 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 157 transitions. Word has length 52 [2019-09-20 13:06:40,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:40,947 INFO L475 AbstractCegarLoop]: Abstraction has 138 states and 157 transitions. [2019-09-20 13:06:40,947 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:06:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2019-09-20 13:06:40,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-20 13:06:40,950 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:40,950 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:40,950 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:40,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:40,951 INFO L82 PathProgramCache]: Analyzing trace with hash 105794737, now seen corresponding path program 1 times [2019-09-20 13:06:40,951 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:40,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:40,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:40,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:41,074 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 13:06:41,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:41,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:06:41,075 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:06:41,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:06:41,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:06:41,076 INFO L87 Difference]: Start difference. First operand 138 states and 157 transitions. Second operand 5 states. [2019-09-20 13:06:41,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:41,602 INFO L93 Difference]: Finished difference Result 353 states and 419 transitions. [2019-09-20 13:06:41,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:06:41,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-09-20 13:06:41,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:41,611 INFO L225 Difference]: With dead ends: 353 [2019-09-20 13:06:41,611 INFO L226 Difference]: Without dead ends: 239 [2019-09-20 13:06:41,612 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:06:41,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-09-20 13:06:41,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 220. [2019-09-20 13:06:41,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-09-20 13:06:41,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 248 transitions. [2019-09-20 13:06:41,659 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 248 transitions. Word has length 65 [2019-09-20 13:06:41,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:41,660 INFO L475 AbstractCegarLoop]: Abstraction has 220 states and 248 transitions. [2019-09-20 13:06:41,660 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:06:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 248 transitions. [2019-09-20 13:06:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-20 13:06:41,662 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:41,662 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:41,662 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:41,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:41,663 INFO L82 PathProgramCache]: Analyzing trace with hash -830596407, now seen corresponding path program 1 times [2019-09-20 13:06:41,663 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:41,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:41,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:41,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:41,766 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 13:06:41,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:41,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:06:41,769 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:06:41,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:06:41,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:06:41,771 INFO L87 Difference]: Start difference. First operand 220 states and 248 transitions. Second operand 8 states. [2019-09-20 13:06:41,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:41,834 INFO L93 Difference]: Finished difference Result 423 states and 489 transitions. [2019-09-20 13:06:41,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:41,834 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2019-09-20 13:06:41,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:41,839 INFO L225 Difference]: With dead ends: 423 [2019-09-20 13:06:41,839 INFO L226 Difference]: Without dead ends: 227 [2019-09-20 13:06:41,840 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:06:41,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-09-20 13:06:41,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2019-09-20 13:06:41,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-09-20 13:06:41,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 252 transitions. [2019-09-20 13:06:41,868 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 252 transitions. Word has length 79 [2019-09-20 13:06:41,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:41,868 INFO L475 AbstractCegarLoop]: Abstraction has 224 states and 252 transitions. [2019-09-20 13:06:41,869 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:06:41,869 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 252 transitions. [2019-09-20 13:06:41,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-20 13:06:41,875 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:41,876 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:41,876 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:41,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:41,876 INFO L82 PathProgramCache]: Analyzing trace with hash 2078167495, now seen corresponding path program 1 times [2019-09-20 13:06:41,877 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:41,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:41,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:41,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:42,028 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 13:06:42,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:42,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:06:42,030 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:06:42,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:06:42,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:42,030 INFO L87 Difference]: Start difference. First operand 224 states and 252 transitions. Second operand 10 states. [2019-09-20 13:06:42,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:42,647 INFO L93 Difference]: Finished difference Result 726 states and 882 transitions. [2019-09-20 13:06:42,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:06:42,648 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2019-09-20 13:06:42,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:42,655 INFO L225 Difference]: With dead ends: 726 [2019-09-20 13:06:42,655 INFO L226 Difference]: Without dead ends: 526 [2019-09-20 13:06:42,657 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 13:06:42,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2019-09-20 13:06:42,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 516. [2019-09-20 13:06:42,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2019-09-20 13:06:42,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 597 transitions. [2019-09-20 13:06:42,714 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 597 transitions. Word has length 79 [2019-09-20 13:06:42,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:42,714 INFO L475 AbstractCegarLoop]: Abstraction has 516 states and 597 transitions. [2019-09-20 13:06:42,714 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:06:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 597 transitions. [2019-09-20 13:06:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-20 13:06:42,721 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:42,721 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:42,722 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:42,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:42,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1201141545, now seen corresponding path program 1 times [2019-09-20 13:06:42,722 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:42,723 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:42,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:42,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:42,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-09-20 13:06:42,865 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:42,865 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 13:06:42,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:43,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-20 13:06:43,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:06:43,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:43,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2019-09-20 13:06:43,326 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-20 13:06:43,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-20 13:06:43,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:06:43,327 INFO L87 Difference]: Start difference. First operand 516 states and 597 transitions. Second operand 12 states. [2019-09-20 13:06:45,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:45,390 INFO L93 Difference]: Finished difference Result 1278 states and 1677 transitions. [2019-09-20 13:06:45,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-20 13:06:45,390 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 154 [2019-09-20 13:06:45,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:45,398 INFO L225 Difference]: With dead ends: 1278 [2019-09-20 13:06:45,399 INFO L226 Difference]: Without dead ends: 786 [2019-09-20 13:06:45,402 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2019-09-20 13:06:45,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-09-20 13:06:45,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 705. [2019-09-20 13:06:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2019-09-20 13:06:45,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 844 transitions. [2019-09-20 13:06:45,477 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 844 transitions. Word has length 154 [2019-09-20 13:06:45,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:45,477 INFO L475 AbstractCegarLoop]: Abstraction has 705 states and 844 transitions. [2019-09-20 13:06:45,477 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-20 13:06:45,478 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 844 transitions. [2019-09-20 13:06:45,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-09-20 13:06:45,481 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:45,482 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:45,482 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:45,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:45,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1319690960, now seen corresponding path program 1 times [2019-09-20 13:06:45,482 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:45,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:45,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:45,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:45,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:06:45,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:45,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:06:45,609 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:06:45,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:06:45,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:06:45,613 INFO L87 Difference]: Start difference. First operand 705 states and 844 transitions. Second operand 6 states. [2019-09-20 13:06:45,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:45,684 INFO L93 Difference]: Finished difference Result 1338 states and 1624 transitions. [2019-09-20 13:06:45,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:06:45,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2019-09-20 13:06:45,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:45,692 INFO L225 Difference]: With dead ends: 1338 [2019-09-20 13:06:45,692 INFO L226 Difference]: Without dead ends: 720 [2019-09-20 13:06:45,695 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:45,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2019-09-20 13:06:45,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2019-09-20 13:06:45,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2019-09-20 13:06:45,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 859 transitions. [2019-09-20 13:06:45,742 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 859 transitions. Word has length 149 [2019-09-20 13:06:45,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:45,744 INFO L475 AbstractCegarLoop]: Abstraction has 720 states and 859 transitions. [2019-09-20 13:06:45,744 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:06:45,744 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 859 transitions. [2019-09-20 13:06:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-09-20 13:06:45,746 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:45,747 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:45,747 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:45,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:45,747 INFO L82 PathProgramCache]: Analyzing trace with hash 810217870, now seen corresponding path program 1 times [2019-09-20 13:06:45,748 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:45,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:45,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:45,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:45,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:06:45,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:45,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:06:45,868 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:06:45,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:06:45,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:06:45,869 INFO L87 Difference]: Start difference. First operand 720 states and 859 transitions. Second operand 6 states. [2019-09-20 13:06:46,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:46,058 INFO L93 Difference]: Finished difference Result 737 states and 878 transitions. [2019-09-20 13:06:46,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:46,059 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2019-09-20 13:06:46,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:46,064 INFO L225 Difference]: With dead ends: 737 [2019-09-20 13:06:46,064 INFO L226 Difference]: Without dead ends: 734 [2019-09-20 13:06:46,065 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:06:46,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2019-09-20 13:06:46,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 720. [2019-09-20 13:06:46,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2019-09-20 13:06:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 855 transitions. [2019-09-20 13:06:46,111 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 855 transitions. Word has length 149 [2019-09-20 13:06:46,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:46,111 INFO L475 AbstractCegarLoop]: Abstraction has 720 states and 855 transitions. [2019-09-20 13:06:46,112 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:06:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 855 transitions. [2019-09-20 13:06:46,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-09-20 13:06:46,116 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:46,116 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:46,116 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:46,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:46,117 INFO L82 PathProgramCache]: Analyzing trace with hash -488644751, now seen corresponding path program 1 times [2019-09-20 13:06:46,117 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:46,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:46,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:46,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-20 13:06:46,298 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:46,298 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:46,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:46,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:06:46,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:46,609 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:46,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-20 13:06:46,610 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:46,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:46,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:46,611 INFO L87 Difference]: Start difference. First operand 720 states and 855 transitions. Second operand 11 states. [2019-09-20 13:06:48,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:48,045 INFO L93 Difference]: Finished difference Result 1426 states and 1777 transitions. [2019-09-20 13:06:48,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-20 13:06:48,045 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 153 [2019-09-20 13:06:48,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:48,052 INFO L225 Difference]: With dead ends: 1426 [2019-09-20 13:06:48,053 INFO L226 Difference]: Without dead ends: 793 [2019-09-20 13:06:48,056 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-09-20 13:06:48,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2019-09-20 13:06:48,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 702. [2019-09-20 13:06:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2019-09-20 13:06:48,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 833 transitions. [2019-09-20 13:06:48,116 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 833 transitions. Word has length 153 [2019-09-20 13:06:48,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:48,118 INFO L475 AbstractCegarLoop]: Abstraction has 702 states and 833 transitions. [2019-09-20 13:06:48,118 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:48,118 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 833 transitions. [2019-09-20 13:06:48,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-09-20 13:06:48,122 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:48,122 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:48,122 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:48,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:48,123 INFO L82 PathProgramCache]: Analyzing trace with hash 700598337, now seen corresponding path program 2 times [2019-09-20 13:06:48,123 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:48,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:48,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:48,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:48,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:48,380 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-20 13:06:48,380 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:48,380 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:48,455 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-20 13:06:48,623 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-20 13:06:48,623 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-20 13:06:48,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-20 13:06:48,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:48,716 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:06:48,811 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-20 13:06:48,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:48,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:06:48,827 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:06:48,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:06:48,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:06:48,828 INFO L87 Difference]: Start difference. First operand 702 states and 833 transitions. Second operand 16 states. [2019-09-20 13:06:51,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:51,608 INFO L93 Difference]: Finished difference Result 1784 states and 2208 transitions. [2019-09-20 13:06:51,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-20 13:06:51,609 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 207 [2019-09-20 13:06:51,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:51,617 INFO L225 Difference]: With dead ends: 1784 [2019-09-20 13:06:51,617 INFO L226 Difference]: Without dead ends: 1167 [2019-09-20 13:06:51,620 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-09-20 13:06:51,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2019-09-20 13:06:51,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1014. [2019-09-20 13:06:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1014 states. [2019-09-20 13:06:51,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1183 transitions. [2019-09-20 13:06:51,693 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1183 transitions. Word has length 207 [2019-09-20 13:06:51,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:51,693 INFO L475 AbstractCegarLoop]: Abstraction has 1014 states and 1183 transitions. [2019-09-20 13:06:51,693 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:06:51,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1183 transitions. [2019-09-20 13:06:51,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-09-20 13:06:51,697 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:51,698 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:51,698 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:51,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:51,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1257976449, now seen corresponding path program 1 times [2019-09-20 13:06:51,699 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:51,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:51,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:51,702 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:06:51,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-20 13:06:51,920 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:51,921 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:52,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:52,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:06:52,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 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 13:06:52,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:52,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-20 13:06:52,361 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:06:52,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:06:52,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:06:52,362 INFO L87 Difference]: Start difference. First operand 1014 states and 1183 transitions. Second operand 13 states. [2019-09-20 13:06:52,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:52,449 INFO L93 Difference]: Finished difference Result 1304 states and 1520 transitions. [2019-09-20 13:06:52,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:06:52,450 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 207 [2019-09-20 13:06:52,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:52,453 INFO L225 Difference]: With dead ends: 1304 [2019-09-20 13:06:52,453 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:06:52,458 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:06:52,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:06:52,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:06:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:06:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:06:52,459 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2019-09-20 13:06:52,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:52,460 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:06:52,460 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:06:52,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:06:52,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:06:52,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:06:53,289 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-09-20 13:06:54,068 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2019-09-20 13:06:54,416 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2019-09-20 13:06:55,167 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-09-20 13:06:55,167 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-09-20 13:06:55,168 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-09-20 13:06:55,168 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-09-20 13:06:55,168 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:06:55,168 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-09-20 13:06:55,168 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:06:55,168 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:06:55,168 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-09-20 13:06:55,168 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-09-20 13:06:55,168 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:06:55,168 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-09-20 13:06:55,168 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-09-20 13:06:55,168 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-09-20 13:06:55,169 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:06:55,169 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-09-20 13:06:55,169 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:06:55,169 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-09-20 13:06:55,169 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2019-09-20 13:06:55,169 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2019-09-20 13:06:55,169 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2019-09-20 13:06:55,169 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2019-09-20 13:06:55,169 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2019-09-20 13:06:55,169 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2019-09-20 13:06:55,170 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2019-09-20 13:06:55,170 INFO L446 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2019-09-20 13:06:55,170 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2019-09-20 13:06:55,170 INFO L443 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2019-09-20 13:06:55,170 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2019-09-20 13:06:55,170 INFO L439 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-20 13:06:55,170 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-09-20 13:06:55,170 INFO L439 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-20 13:06:55,170 INFO L443 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2019-09-20 13:06:55,170 INFO L443 ceAbstractionStarter]: For program point L642-1(lines 642 649) no Hoare annotation was computed. [2019-09-20 13:06:55,170 INFO L443 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2019-09-20 13:06:55,170 INFO L439 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:55,171 INFO L439 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:55,171 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 632 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:55,171 INFO L439 ceAbstractionStarter]: At program point L638-1(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:55,171 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 632 654) no Hoare annotation was computed. [2019-09-20 13:06:55,171 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 632 654) no Hoare annotation was computed. [2019-09-20 13:06:55,171 INFO L439 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:55,171 INFO L439 ceAbstractionStarter]: At program point L644-1(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:55,171 INFO L443 ceAbstractionStarter]: For program point L642(lines 642 649) no Hoare annotation was computed. [2019-09-20 13:06:55,171 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 587 610) no Hoare annotation was computed. [2019-09-20 13:06:55,171 INFO L443 ceAbstractionStarter]: For program point L605(line 605) no Hoare annotation was computed. [2019-09-20 13:06:55,172 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 587 610) no Hoare annotation was computed. [2019-09-20 13:06:55,172 INFO L443 ceAbstractionStarter]: For program point L604(line 604) no Hoare annotation was computed. [2019-09-20 13:06:55,172 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 587 610) no Hoare annotation was computed. [2019-09-20 13:06:55,172 INFO L443 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2019-09-20 13:06:55,172 INFO L443 ceAbstractionStarter]: For program point L602(line 602) no Hoare annotation was computed. [2019-09-20 13:06:55,172 INFO L443 ceAbstractionStarter]: For program point L601(line 601) no Hoare annotation was computed. [2019-09-20 13:06:55,172 INFO L443 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2019-09-20 13:06:55,172 INFO L443 ceAbstractionStarter]: For program point L599(line 599) no Hoare annotation was computed. [2019-09-20 13:06:55,173 INFO L443 ceAbstractionStarter]: For program point L598(line 598) no Hoare annotation was computed. [2019-09-20 13:06:55,173 INFO L443 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2019-09-20 13:06:55,173 INFO L443 ceAbstractionStarter]: For program point L596(line 596) no Hoare annotation was computed. [2019-09-20 13:06:55,173 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-09-20 13:06:55,173 INFO L443 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2019-09-20 13:06:55,173 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-09-20 13:06:55,173 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-09-20 13:06:55,173 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 825 833) no Hoare annotation was computed. [2019-09-20 13:06:55,174 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 825 833) the Hoare annotation is: true [2019-09-20 13:06:55,174 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 825 833) no Hoare annotation was computed. [2019-09-20 13:06:55,174 INFO L446 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: true [2019-09-20 13:06:55,174 INFO L443 ceAbstractionStarter]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2019-09-20 13:06:55,174 INFO L443 ceAbstractionStarter]: For program point L896-1(line 896) no Hoare annotation was computed. [2019-09-20 13:06:55,174 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 889 907) the Hoare annotation is: true [2019-09-20 13:06:55,174 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 889 907) no Hoare annotation was computed. [2019-09-20 13:06:55,174 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2019-09-20 13:06:55,175 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 889 907) no Hoare annotation was computed. [2019-09-20 13:06:55,175 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-09-20 13:06:55,175 INFO L443 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2019-09-20 13:06:55,175 INFO L443 ceAbstractionStarter]: For program point L853(lines 853 861) no Hoare annotation was computed. [2019-09-20 13:06:55,175 INFO L443 ceAbstractionStarter]: For program point L853-2(lines 853 861) no Hoare annotation was computed. [2019-09-20 13:06:55,175 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 834 869) no Hoare annotation was computed. [2019-09-20 13:06:55,175 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2019-09-20 13:06:55,175 INFO L443 ceAbstractionStarter]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2019-09-20 13:06:55,176 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 834 869) no Hoare annotation was computed. [2019-09-20 13:06:55,176 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 834 869) no Hoare annotation was computed. [2019-09-20 13:06:55,176 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2019-09-20 13:06:55,176 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2019-09-20 13:06:55,176 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:06:55,176 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:06:55,176 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:06:55,176 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-09-20 13:06:55,177 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:06:55,177 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-09-20 13:06:55,177 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-09-20 13:06:55,177 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:06:55,177 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:06:55,177 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 619 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:55,177 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 619 628) no Hoare annotation was computed. [2019-09-20 13:06:55,177 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 619 628) no Hoare annotation was computed. [2019-09-20 13:06:55,177 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 814 824) the Hoare annotation is: true [2019-09-20 13:06:55,178 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 814 824) no Hoare annotation was computed. [2019-09-20 13:06:55,178 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 814 824) no Hoare annotation was computed. [2019-09-20 13:06:55,178 INFO L446 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2019-09-20 13:06:55,178 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-09-20 13:06:55,178 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 806 813) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-09-20 13:06:55,178 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 806 813) no Hoare annotation was computed. [2019-09-20 13:06:55,178 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 806 813) no Hoare annotation was computed. [2019-09-20 13:06:55,178 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2019-09-20 13:06:55,178 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2019-09-20 13:06:55,179 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2019-09-20 13:06:55,179 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2019-09-20 13:06:55,179 INFO L439 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:55,179 INFO L439 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= 1 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:06:55,179 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-09-20 13:06:55,179 INFO L439 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:06:55,179 INFO L443 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2019-09-20 13:06:55,180 INFO L443 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-09-20 13:06:55,180 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2019-09-20 13:06:55,180 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-09-20 13:06:55,180 INFO L439 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= 0 |old(~pumpRunning~0)|)) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-09-20 13:06:55,180 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2019-09-20 13:06:55,180 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2019-09-20 13:06:55,180 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2019-09-20 13:06:55,180 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 933) no Hoare annotation was computed. [2019-09-20 13:06:55,181 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 917 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:55,181 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 917 982) no Hoare annotation was computed. [2019-09-20 13:06:55,181 INFO L439 ceAbstractionStarter]: At program point L975(lines 926 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:55,181 INFO L443 ceAbstractionStarter]: For program point L965(lines 965 969) no Hoare annotation was computed. [2019-09-20 13:06:55,181 INFO L439 ceAbstractionStarter]: At program point L965-2(lines 957 970) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:06:55,181 INFO L443 ceAbstractionStarter]: For program point L928(lines 927 974) no Hoare annotation was computed. [2019-09-20 13:06:55,182 INFO L439 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:06:55,182 INFO L443 ceAbstractionStarter]: For program point L957(lines 957 970) no Hoare annotation was computed. [2019-09-20 13:06:55,182 INFO L439 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:06:55,182 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-09-20 13:06:55,182 INFO L443 ceAbstractionStarter]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2019-09-20 13:06:55,182 INFO L439 ceAbstractionStarter]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)))) [2019-09-20 13:06:55,182 INFO L439 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) (and .cse0 .cse1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)))) [2019-09-20 13:06:55,183 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-09-20 13:06:55,183 INFO L443 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2019-09-20 13:06:55,183 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 917 982) no Hoare annotation was computed. [2019-09-20 13:06:55,183 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:06:55,183 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:06:55,183 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:06:55,183 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-09-20 13:06:55,183 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-09-20 13:06:55,183 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-09-20 13:06:55,184 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-20 13:06:55,184 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 780 787) no Hoare annotation was computed. [2019-09-20 13:06:55,184 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 780 787) no Hoare annotation was computed. [2019-09-20 13:06:55,184 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 544 552) no Hoare annotation was computed. [2019-09-20 13:06:55,184 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 544 552) the Hoare annotation is: true [2019-09-20 13:06:55,184 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 544 552) no Hoare annotation was computed. [2019-09-20 13:06:55,184 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 514) no Hoare annotation was computed. [2019-09-20 13:06:55,184 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 498 520) no Hoare annotation was computed. [2019-09-20 13:06:55,185 INFO L443 ceAbstractionStarter]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2019-09-20 13:06:55,185 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 498 520) no Hoare annotation was computed. [2019-09-20 13:06:55,185 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 498 520) no Hoare annotation was computed. [2019-09-20 13:06:55,185 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-09-20 13:06:55,185 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:06:55,185 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-09-20 13:06:55,185 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-09-20 13:06:55,185 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-09-20 13:06:55,185 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-09-20 13:06:55,186 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:06:55,186 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-09-20 13:06:55,186 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-09-20 13:06:55,186 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-09-20 13:06:55,186 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:06:55,186 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-09-20 13:06:55,186 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-09-20 13:06:55,186 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-09-20 13:06:55,187 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-09-20 13:06:55,187 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-09-20 13:06:55,187 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 657 666) no Hoare annotation was computed. [2019-09-20 13:06:55,187 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 657 666) no Hoare annotation was computed. [2019-09-20 13:06:55,187 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 657 666) no Hoare annotation was computed. [2019-09-20 13:06:55,187 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:55,187 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:06:55,187 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:55,188 INFO L439 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-20 13:06:55,188 INFO L443 ceAbstractionStarter]: For program point L800-1(lines 789 805) no Hoare annotation was computed. [2019-09-20 13:06:55,188 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 802) no Hoare annotation was computed. [2019-09-20 13:06:55,188 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 789 805) no Hoare annotation was computed. [2019-09-20 13:06:55,188 INFO L439 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-20 13:06:55,188 INFO L443 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2019-09-20 13:06:55,188 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 789 805) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-20 13:06:55,189 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 521 529) the Hoare annotation is: true [2019-09-20 13:06:55,189 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 521 529) no Hoare annotation was computed. [2019-09-20 13:06:55,189 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2019-09-20 13:06:55,189 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 870 888) no Hoare annotation was computed. [2019-09-20 13:06:55,189 INFO L443 ceAbstractionStarter]: For program point L879(lines 879 883) no Hoare annotation was computed. [2019-09-20 13:06:55,189 INFO L446 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: true [2019-09-20 13:06:55,189 INFO L443 ceAbstractionStarter]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2019-09-20 13:06:55,189 INFO L443 ceAbstractionStarter]: For program point L877-1(line 877) no Hoare annotation was computed. [2019-09-20 13:06:55,189 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 870 888) the Hoare annotation is: true [2019-09-20 13:06:55,190 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 870 888) no Hoare annotation was computed. [2019-09-20 13:06:55,190 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:55,190 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:06:55,190 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:55,190 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2019-09-20 13:06:55,190 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: true [2019-09-20 13:06:55,190 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2019-09-20 13:06:55,190 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2019-09-20 13:06:55,191 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2019-09-20 13:06:55,191 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2019-09-20 13:06:55,191 INFO L439 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2019-09-20 13:06:55,191 INFO L443 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2019-09-20 13:06:55,191 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1)))) [2019-09-20 13:06:55,191 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2019-09-20 13:06:55,191 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2019-09-20 13:06:55,192 INFO L439 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse2 .cse0) (let ((.cse3 (+ ~waterLevel~0 1))) (and (<= .cse3 |old(~waterLevel~0)|) .cse2 (<= |old(~waterLevel~0)| .cse3))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1))))) [2019-09-20 13:06:55,192 INFO L439 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (let ((.cse1 (+ ~waterLevel~0 1))) (and .cse0 (<= .cse1 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse1) .cse2)) (= |old(~waterLevel~0)| ~waterLevel~0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse3)) (or (not (< |old(~waterLevel~0)| 2)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse3 (and (<= 1 ~waterLevel~0) .cse2 (< ~waterLevel~0 2))))) [2019-09-20 13:06:55,192 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-09-20 13:06:55,192 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 556 585) no Hoare annotation was computed. [2019-09-20 13:06:55,192 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 556 585) the Hoare annotation is: true [2019-09-20 13:06:55,192 INFO L443 ceAbstractionStarter]: For program point L570(lines 570 574) no Hoare annotation was computed. [2019-09-20 13:06:55,193 INFO L446 ceAbstractionStarter]: At program point L570-1(lines 570 574) the Hoare annotation is: true [2019-09-20 13:06:55,193 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-09-20 13:06:55,193 INFO L446 ceAbstractionStarter]: At program point L566-2(lines 566 580) the Hoare annotation is: true [2019-09-20 13:06:55,193 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-09-20 13:06:55,193 INFO L443 ceAbstractionStarter]: For program point L562-1(line 562) no Hoare annotation was computed. [2019-09-20 13:06:55,193 INFO L446 ceAbstractionStarter]: At program point L581(lines 556 585) the Hoare annotation is: true [2019-09-20 13:06:55,193 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:06:55,194 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2019-09-20 13:06:55,194 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2019-09-20 13:06:55,194 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 611 617) no Hoare annotation was computed. [2019-09-20 13:06:55,194 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 611 617) the Hoare annotation is: true [2019-09-20 13:06:55,194 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:55,194 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-09-20 13:06:55,194 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:06:55,194 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:55,194 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 908 915) no Hoare annotation was computed. [2019-09-20 13:06:55,195 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 908 915) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (not (<= 1 ~waterLevel~0)) .cse1) (or .cse0 (or (not (<= 2 ~waterLevel~0)) .cse1)))) [2019-09-20 13:06:55,195 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 908 915) no Hoare annotation was computed. [2019-09-20 13:06:55,195 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-09-20 13:06:55,195 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:55,195 INFO L439 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:55,195 INFO L443 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2019-09-20 13:06:55,195 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-09-20 13:06:55,195 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2019-09-20 13:06:55,196 INFO L439 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:55,196 INFO L443 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2019-09-20 13:06:55,196 INFO L439 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:55,196 INFO L439 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-09-20 13:06:55,196 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2019-09-20 13:06:55,196 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2019-09-20 13:06:55,196 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2019-09-20 13:06:55,196 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-09-20 13:06:55,197 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2019-09-20 13:06:55,197 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2019-09-20 13:06:55,197 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2019-09-20 13:06:55,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:06:55 BoogieIcfgContainer [2019-09-20 13:06:55,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:06:55,213 INFO L168 Benchmark]: Toolchain (without parser) took 17712.04 ms. Allocated memory was 129.5 MB in the beginning and 556.3 MB in the end (delta: 426.8 MB). Free memory was 84.6 MB in the beginning and 232.4 MB in the end (delta: -147.8 MB). Peak memory consumption was 374.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:55,214 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 129.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 13:06:55,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.95 ms. Allocated memory was 129.5 MB in the beginning and 199.2 MB in the end (delta: 69.7 MB). Free memory was 84.3 MB in the beginning and 163.3 MB in the end (delta: -78.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:55,216 INFO L168 Benchmark]: Boogie Preprocessor took 80.06 ms. Allocated memory is still 199.2 MB. Free memory was 163.3 MB in the beginning and 159.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:55,217 INFO L168 Benchmark]: RCFGBuilder took 1188.01 ms. Allocated memory is still 199.2 MB. Free memory was 159.1 MB in the beginning and 70.3 MB in the end (delta: 88.9 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:55,218 INFO L168 Benchmark]: TraceAbstraction took 15585.47 ms. Allocated memory was 216.0 MB in the beginning and 556.3 MB in the end (delta: 340.3 MB). Free memory was 186.8 MB in the beginning and 232.4 MB in the end (delta: -45.6 MB). Peak memory consumption was 390.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:55,221 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 129.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 826.95 ms. Allocated memory was 129.5 MB in the beginning and 199.2 MB in the end (delta: 69.7 MB). Free memory was 84.3 MB in the beginning and 163.3 MB in the end (delta: -78.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.06 ms. Allocated memory is still 199.2 MB. Free memory was 163.3 MB in the beginning and 159.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1188.01 ms. Allocated memory is still 199.2 MB. Free memory was 159.1 MB in the beginning and 70.3 MB in the end (delta: 88.9 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15585.47 ms. Allocated memory was 216.0 MB in the beginning and 556.3 MB in the end (delta: 340.3 MB). Free memory was 186.8 MB in the beginning and 232.4 MB in the end (delta: -45.6 MB). Peak memory consumption was 390.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 926]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((1 == systemActive && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. SAFE Result, 15.5s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 8.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2136 SDtfs, 2561 SDslu, 6817 SDs, 0 SdLazy, 6110 SolverSat, 1428 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 899 GetRequests, 761 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1014occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 371 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1848 PreInvPairs, 1901 NumberOfFragments, 1022 HoareAnnotationTreeSize, 1848 FomulaSimplifications, 6282 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 66 FomulaSimplificationsInter, 5848 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2108 NumberOfCodeBlocks, 2108 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2092 ConstructedInterpolants, 0 QuantifiedInterpolants, 495614 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3848 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 592/652 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...