/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:12:43,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:12:43,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:12:43,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:12:43,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:12:43,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:12:43,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:12:43,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:12:43,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:12:43,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:12:43,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:12:43,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:12:43,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:12:43,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:12:43,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:12:43,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:12:43,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:12:43,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:12:43,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:12:43,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:12:43,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:12:43,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:12:43,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:12:43,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:12:43,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 21:12:43,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 21:12:43,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 21:12:43,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 21:12:43,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 21:12:43,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 21:12:43,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 21:12:43,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 21:12:43,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 21:12:43,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 21:12:43,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 21:12:43,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 21:12:43,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 21:12:43,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 21:12:43,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:12:43,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:12:43,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:12:43,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 21:12:43,564 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:12:43,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:12:43,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:12:43,566 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:12:43,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:12:43,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:12:43,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:12:43,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:12:43,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:12:43,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:12:43,569 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:12:43,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:12:43,569 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:12:43,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:12:43,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:12:43,570 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:12:43,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:12:43,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:12:43,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:12:43,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:12:43,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:12:43,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:12:43,572 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-08-22 21:12:43,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:12:43,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:12:43,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:12:43,877 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:12:43,877 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:12:43,878 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c [2020-08-22 21:12:43,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524bb0b19/ed5123dc03fd44cdae14901537746880/FLAG1138031ae [2020-08-22 21:12:44,504 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:12:44,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product42.cil.c [2020-08-22 21:12:44,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524bb0b19/ed5123dc03fd44cdae14901537746880/FLAG1138031ae [2020-08-22 21:12:44,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524bb0b19/ed5123dc03fd44cdae14901537746880 [2020-08-22 21:12:44,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:12:44,770 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:12:44,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:12:44,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:12:44,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:12:44,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:12:44" (1/1) ... [2020-08-22 21:12:44,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1a841d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:44, skipping insertion in model container [2020-08-22 21:12:44,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:12:44" (1/1) ... [2020-08-22 21:12:44,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:12:44,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:12:45,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:12:45,257 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:12:45,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:12:45,392 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:12:45,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:45 WrapperNode [2020-08-22 21:12:45,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:12:45,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:12:45,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:12:45,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:12:45,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:45" (1/1) ... [2020-08-22 21:12:45,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:45" (1/1) ... [2020-08-22 21:12:45,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:45" (1/1) ... [2020-08-22 21:12:45,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:45" (1/1) ... [2020-08-22 21:12:45,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:45" (1/1) ... [2020-08-22 21:12:45,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:45" (1/1) ... [2020-08-22 21:12:45,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:45" (1/1) ... [2020-08-22 21:12:45,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:12:45,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:12:45,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:12:45,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:12:45,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:12:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:12:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:12:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 21:12:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 21:12:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 21:12:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 21:12:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 21:12:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 21:12:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 21:12:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 21:12:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 21:12:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 21:12:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 21:12:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 21:12:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 21:12:45,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 21:12:45,593 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 21:12:45,593 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 21:12:45,593 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 21:12:45,594 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 21:12:45,595 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:12:45,595 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 21:12:45,597 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 21:12:45,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 21:12:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 21:12:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 21:12:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 21:12:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 21:12:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 21:12:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-22 21:12:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 21:12:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 21:12:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 21:12:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 21:12:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 21:12:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 21:12:45,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 21:12:45,600 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 21:12:45,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:12:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:12:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 21:12:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 21:12:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 21:12:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 21:12:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 21:12:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 21:12:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 21:12:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 21:12:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 21:12:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 21:12:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 21:12:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 21:12:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 21:12:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 21:12:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 21:12:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 21:12:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 21:12:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 21:12:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 21:12:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 21:12:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 21:12:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 21:12:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 21:12:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 21:12:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 21:12:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 21:12:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 21:12:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 21:12:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 21:12:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 21:12:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 21:12:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 21:12:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 21:12:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 21:12:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-22 21:12:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 21:12:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 21:12:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 21:12:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:12:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 21:12:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 21:12:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 21:12:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 21:12:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 21:12:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 21:12:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 21:12:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 21:12:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 21:12:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:12:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:12:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 21:12:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:12:46,756 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:12:46,757 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 21:12:46,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:12:46 BoogieIcfgContainer [2020-08-22 21:12:46,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:12:46,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:12:46,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:12:46,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:12:46,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:12:44" (1/3) ... [2020-08-22 21:12:46,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@272272ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:12:46, skipping insertion in model container [2020-08-22 21:12:46,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:45" (2/3) ... [2020-08-22 21:12:46,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@272272ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:12:46, skipping insertion in model container [2020-08-22 21:12:46,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:12:46" (3/3) ... [2020-08-22 21:12:46,772 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product42.cil.c [2020-08-22 21:12:46,783 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:12:46,792 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:12:46,806 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:12:46,830 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:12:46,830 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:12:46,830 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:12:46,830 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:12:46,831 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:12:46,831 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:12:46,831 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:12:46,831 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:12:46,851 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states. [2020-08-22 21:12:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-22 21:12:46,871 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:12:46,872 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:12:46,872 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:12:46,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:12:46,877 INFO L82 PathProgramCache]: Analyzing trace with hash -2111431698, now seen corresponding path program 1 times [2020-08-22 21:12:46,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:12:46,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603969018] [2020-08-22 21:12:46,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:12:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:47,602 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:12:47,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:12:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:47,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:12:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:47,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:12:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:47,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:12:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:47,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:12:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:47,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:12:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:47,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 21:12:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:47,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:12:47,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603969018] [2020-08-22 21:12:47,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:12:47,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 21:12:47,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808179489] [2020-08-22 21:12:47,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 21:12:47,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:12:47,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 21:12:47,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 21:12:47,804 INFO L87 Difference]: Start difference. First operand 299 states. Second operand 3 states. [2020-08-22 21:12:49,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:12:49,156 INFO L93 Difference]: Finished difference Result 464 states and 551 transitions. [2020-08-22 21:12:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 21:12:49,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-08-22 21:12:49,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:12:49,186 INFO L225 Difference]: With dead ends: 464 [2020-08-22 21:12:49,186 INFO L226 Difference]: Without dead ends: 290 [2020-08-22 21:12:49,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 21:12:49,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-08-22 21:12:49,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 248. [2020-08-22 21:12:49,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-08-22 21:12:49,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 268 transitions. [2020-08-22 21:12:49,328 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 268 transitions. Word has length 142 [2020-08-22 21:12:49,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:12:49,329 INFO L479 AbstractCegarLoop]: Abstraction has 248 states and 268 transitions. [2020-08-22 21:12:49,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 21:12:49,329 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 268 transitions. [2020-08-22 21:12:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-08-22 21:12:49,334 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:12:49,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:12:49,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:12:49,334 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:12:49,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:12:49,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1885599248, now seen corresponding path program 1 times [2020-08-22 21:12:49,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:12:49,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556695989] [2020-08-22 21:12:49,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:12:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:49,721 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:12:49,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:12:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:49,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:12:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:49,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:12:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:49,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:12:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:49,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:12:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:49,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:12:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:49,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 21:12:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:49,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:12:49,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556695989] [2020-08-22 21:12:49,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:12:49,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 21:12:49,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133067457] [2020-08-22 21:12:49,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 21:12:49,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:12:49,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 21:12:49,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:12:49,839 INFO L87 Difference]: Start difference. First operand 248 states and 268 transitions. Second operand 4 states. [2020-08-22 21:12:50,476 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:12:51,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:12:51,387 INFO L93 Difference]: Finished difference Result 377 states and 422 transitions. [2020-08-22 21:12:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 21:12:51,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-08-22 21:12:51,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:12:51,399 INFO L225 Difference]: With dead ends: 377 [2020-08-22 21:12:51,399 INFO L226 Difference]: Without dead ends: 273 [2020-08-22 21:12:51,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:12:51,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-08-22 21:12:51,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 238. [2020-08-22 21:12:51,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-08-22 21:12:51,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 255 transitions. [2020-08-22 21:12:51,521 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 255 transitions. Word has length 143 [2020-08-22 21:12:51,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:12:51,522 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 255 transitions. [2020-08-22 21:12:51,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 21:12:51,522 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 255 transitions. [2020-08-22 21:12:51,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-08-22 21:12:51,525 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:12:51,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:12:51,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:12:51,526 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:12:51,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:12:51,526 INFO L82 PathProgramCache]: Analyzing trace with hash 2133556188, now seen corresponding path program 1 times [2020-08-22 21:12:51,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:12:51,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568974914] [2020-08-22 21:12:51,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:12:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:51,804 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:12:51,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:12:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:51,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:12:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:51,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:12:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:51,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:12:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:51,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:12:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:51,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:12:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:51,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:12:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:51,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-08-22 21:12:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:51,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:12:51,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568974914] [2020-08-22 21:12:51,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:12:51,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 21:12:51,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956425523] [2020-08-22 21:12:51,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 21:12:51,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:12:51,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 21:12:51,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 21:12:51,959 INFO L87 Difference]: Start difference. First operand 238 states and 255 transitions. Second operand 10 states. [2020-08-22 21:12:52,476 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:12:52,799 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:12:53,061 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:12:53,356 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:12:53,608 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:12:53,857 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:12:55,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:12:55,352 INFO L93 Difference]: Finished difference Result 423 states and 484 transitions. [2020-08-22 21:12:55,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 21:12:55,360 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-08-22 21:12:55,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:12:55,364 INFO L225 Difference]: With dead ends: 423 [2020-08-22 21:12:55,365 INFO L226 Difference]: Without dead ends: 295 [2020-08-22 21:12:55,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-08-22 21:12:55,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-08-22 21:12:55,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 238. [2020-08-22 21:12:55,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-08-22 21:12:55,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 254 transitions. [2020-08-22 21:12:55,440 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 254 transitions. Word has length 156 [2020-08-22 21:12:55,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:12:55,440 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 254 transitions. [2020-08-22 21:12:55,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 21:12:55,441 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 254 transitions. [2020-08-22 21:12:55,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-08-22 21:12:55,443 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:12:55,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:12:55,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:12:55,444 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:12:55,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:12:55,444 INFO L82 PathProgramCache]: Analyzing trace with hash -874630023, now seen corresponding path program 1 times [2020-08-22 21:12:55,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:12:55,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018983411] [2020-08-22 21:12:55,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:12:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:55,816 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:12:55,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:12:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:55,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:12:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:55,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:12:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:55,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:12:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:55,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:12:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:55,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:12:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:55,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 21:12:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:55,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:12:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:55,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-08-22 21:12:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:55,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-08-22 21:12:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:12:55,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2018983411] [2020-08-22 21:12:55,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:12:55,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 21:12:55,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729207452] [2020-08-22 21:12:55,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 21:12:55,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:12:55,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 21:12:55,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 21:12:55,998 INFO L87 Difference]: Start difference. First operand 238 states and 254 transitions. Second operand 7 states. [2020-08-22 21:12:56,693 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:12:58,241 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:12:59,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:12:59,086 INFO L93 Difference]: Finished difference Result 594 states and 701 transitions. [2020-08-22 21:12:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 21:12:59,087 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2020-08-22 21:12:59,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:12:59,091 INFO L225 Difference]: With dead ends: 594 [2020-08-22 21:12:59,091 INFO L226 Difference]: Without dead ends: 466 [2020-08-22 21:12:59,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-08-22 21:12:59,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-08-22 21:12:59,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 339. [2020-08-22 21:12:59,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2020-08-22 21:12:59,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 365 transitions. [2020-08-22 21:12:59,194 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 365 transitions. Word has length 164 [2020-08-22 21:12:59,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:12:59,194 INFO L479 AbstractCegarLoop]: Abstraction has 339 states and 365 transitions. [2020-08-22 21:12:59,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 21:12:59,195 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 365 transitions. [2020-08-22 21:12:59,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-08-22 21:12:59,197 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:12:59,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:12:59,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 21:12:59,198 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:12:59,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:12:59,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1983899201, now seen corresponding path program 1 times [2020-08-22 21:12:59,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:12:59,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662925796] [2020-08-22 21:12:59,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:12:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:59,472 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:12:59,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:12:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:59,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:12:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:59,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:12:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:59,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:12:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:59,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:12:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:59,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:12:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:59,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 21:12:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:59,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:12:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:59,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:12:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:59,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:12:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:59,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-08-22 21:12:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:59,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-08-22 21:12:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:12:59,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:12:59,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662925796] [2020-08-22 21:12:59,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:12:59,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 21:12:59,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912897101] [2020-08-22 21:12:59,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 21:12:59,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:12:59,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 21:12:59,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-08-22 21:12:59,733 INFO L87 Difference]: Start difference. First operand 339 states and 365 transitions. Second operand 13 states. [2020-08-22 21:13:00,327 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:00,573 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:13:00,793 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:01,034 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:01,257 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:02,115 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:02,364 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:02,614 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:02,866 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:03,079 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:04,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:04,349 INFO L93 Difference]: Finished difference Result 700 states and 824 transitions. [2020-08-22 21:13:04,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 21:13:04,352 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 188 [2020-08-22 21:13:04,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:04,356 INFO L225 Difference]: With dead ends: 700 [2020-08-22 21:13:04,356 INFO L226 Difference]: Without dead ends: 471 [2020-08-22 21:13:04,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-08-22 21:13:04,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-08-22 21:13:04,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 345. [2020-08-22 21:13:04,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-08-22 21:13:04,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 371 transitions. [2020-08-22 21:13:04,458 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 371 transitions. Word has length 188 [2020-08-22 21:13:04,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:04,458 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 371 transitions. [2020-08-22 21:13:04,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 21:13:04,459 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 371 transitions. [2020-08-22 21:13:04,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-08-22 21:13:04,461 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:04,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:13:04,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 21:13:04,462 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:04,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:04,462 INFO L82 PathProgramCache]: Analyzing trace with hash 694378847, now seen corresponding path program 1 times [2020-08-22 21:13:04,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:04,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [482129631] [2020-08-22 21:13:04,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,733 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:13:04,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:13:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:13:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:13:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:13:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:13:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:13:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 21:13:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:13:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:13:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:13:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-08-22 21:13:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-08-22 21:13:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:13:04,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [482129631] [2020-08-22 21:13:04,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:13:04,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 21:13:04,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683174198] [2020-08-22 21:13:04,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 21:13:04,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:13:04,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 21:13:04,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 21:13:04,888 INFO L87 Difference]: Start difference. First operand 345 states and 371 transitions. Second operand 10 states. [2020-08-22 21:13:05,375 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:06,563 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:06,821 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:13:07,127 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:07,360 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:07,919 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:08,164 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:13:08,397 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:08,719 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:09,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:09,827 INFO L93 Difference]: Finished difference Result 1004 states and 1212 transitions. [2020-08-22 21:13:09,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 21:13:09,828 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 188 [2020-08-22 21:13:09,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:09,834 INFO L225 Difference]: With dead ends: 1004 [2020-08-22 21:13:09,834 INFO L226 Difference]: Without dead ends: 769 [2020-08-22 21:13:09,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-08-22 21:13:09,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-08-22 21:13:09,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 543. [2020-08-22 21:13:09,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2020-08-22 21:13:09,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 590 transitions. [2020-08-22 21:13:09,998 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 590 transitions. Word has length 188 [2020-08-22 21:13:09,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:09,999 INFO L479 AbstractCegarLoop]: Abstraction has 543 states and 590 transitions. [2020-08-22 21:13:09,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 21:13:09,999 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 590 transitions. [2020-08-22 21:13:10,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-08-22 21:13:10,001 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:10,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:13:10,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 21:13:10,002 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:10,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:10,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1001952340, now seen corresponding path program 1 times [2020-08-22 21:13:10,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:10,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125407784] [2020-08-22 21:13:10,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,299 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:13:10,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:13:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:13:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:13:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:13:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:13:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:13:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:13:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-22 21:13:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:13:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:13:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:13:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-08-22 21:13:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-08-22 21:13:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:10,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:13:10,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125407784] [2020-08-22 21:13:10,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:13:10,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:13:10,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893490240] [2020-08-22 21:13:10,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:13:10,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:13:10,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:13:10,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:13:10,463 INFO L87 Difference]: Start difference. First operand 543 states and 590 transitions. Second operand 11 states. [2020-08-22 21:13:10,999 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:12,458 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:12,723 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:13,061 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:14,240 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:14,500 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:13:14,744 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:14,984 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:13:15,218 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:15,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:15,662 INFO L93 Difference]: Finished difference Result 904 states and 1117 transitions. [2020-08-22 21:13:15,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-22 21:13:15,662 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 193 [2020-08-22 21:13:15,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:15,669 INFO L225 Difference]: With dead ends: 904 [2020-08-22 21:13:15,669 INFO L226 Difference]: Without dead ends: 901 [2020-08-22 21:13:15,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-08-22 21:13:15,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-08-22 21:13:15,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 543. [2020-08-22 21:13:15,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2020-08-22 21:13:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 589 transitions. [2020-08-22 21:13:15,861 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 589 transitions. Word has length 193 [2020-08-22 21:13:15,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:15,862 INFO L479 AbstractCegarLoop]: Abstraction has 543 states and 589 transitions. [2020-08-22 21:13:15,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:13:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 589 transitions. [2020-08-22 21:13:15,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-08-22 21:13:15,865 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:15,865 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:13:15,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 21:13:15,866 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:15,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:15,866 INFO L82 PathProgramCache]: Analyzing trace with hash 280021704, now seen corresponding path program 1 times [2020-08-22 21:13:15,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:15,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897218820] [2020-08-22 21:13:15,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,117 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:13:16,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:13:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:13:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:13:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:13:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:13:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:13:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:13:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-22 21:13:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:13:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:13:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:13:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:13:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:13:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:13:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-08-22 21:13:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 21:13:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:16,296 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:13:16,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897218820] [2020-08-22 21:13:16,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:13:16,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:13:16,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011890130] [2020-08-22 21:13:16,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:13:16,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:13:16,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:13:16,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:13:16,299 INFO L87 Difference]: Start difference. First operand 543 states and 589 transitions. Second operand 11 states. [2020-08-22 21:13:17,428 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:13:17,680 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:13:17,946 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:13:18,191 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:18,458 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:18,683 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:13:20,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:20,164 INFO L93 Difference]: Finished difference Result 1348 states and 1650 transitions. [2020-08-22 21:13:20,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 21:13:20,167 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2020-08-22 21:13:20,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:20,174 INFO L225 Difference]: With dead ends: 1348 [2020-08-22 21:13:20,175 INFO L226 Difference]: Without dead ends: 915 [2020-08-22 21:13:20,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-08-22 21:13:20,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-08-22 21:13:20,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 559. [2020-08-22 21:13:20,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-08-22 21:13:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 605 transitions. [2020-08-22 21:13:20,356 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 605 transitions. Word has length 216 [2020-08-22 21:13:20,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:20,357 INFO L479 AbstractCegarLoop]: Abstraction has 559 states and 605 transitions. [2020-08-22 21:13:20,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:13:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 605 transitions. [2020-08-22 21:13:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-08-22 21:13:20,360 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:20,360 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:13:20,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 21:13:20,360 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:20,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:20,361 INFO L82 PathProgramCache]: Analyzing trace with hash -801927029, now seen corresponding path program 1 times [2020-08-22 21:13:20,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:20,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1496155662] [2020-08-22 21:13:20,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,671 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:13:20,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:13:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:13:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:13:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:13:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:13:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:13:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:13:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-22 21:13:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:13:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:13:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:13:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:13:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:13:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:13:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-08-22 21:13:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 21:13:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:13:20,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1496155662] [2020-08-22 21:13:20,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:13:20,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 21:13:20,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035760145] [2020-08-22 21:13:20,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 21:13:20,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:13:20,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 21:13:20,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 21:13:20,908 INFO L87 Difference]: Start difference. First operand 559 states and 605 transitions. Second operand 8 states. [2020-08-22 21:13:21,360 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:21,882 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:24,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:24,880 INFO L93 Difference]: Finished difference Result 2007 states and 2519 transitions. [2020-08-22 21:13:24,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-08-22 21:13:24,881 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2020-08-22 21:13:24,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:24,891 INFO L225 Difference]: With dead ends: 2007 [2020-08-22 21:13:24,891 INFO L226 Difference]: Without dead ends: 1558 [2020-08-22 21:13:24,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2020-08-22 21:13:24,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2020-08-22 21:13:25,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 981. [2020-08-22 21:13:25,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 981 states. [2020-08-22 21:13:25,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1093 transitions. [2020-08-22 21:13:25,391 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1093 transitions. Word has length 216 [2020-08-22 21:13:25,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:25,392 INFO L479 AbstractCegarLoop]: Abstraction has 981 states and 1093 transitions. [2020-08-22 21:13:25,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 21:13:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1093 transitions. [2020-08-22 21:13:25,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-08-22 21:13:25,395 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:25,395 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:13:25,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 21:13:25,395 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:25,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:25,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1521198117, now seen corresponding path program 1 times [2020-08-22 21:13:25,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:25,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87282153] [2020-08-22 21:13:25,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:25,660 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:13:25,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:13:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:25,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:13:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:25,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:13:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:25,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:13:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:25,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:13:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:25,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-08-22 21:13:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:25,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:13:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:25,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:13:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:25,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-08-22 21:13:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:25,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:13:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:25,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:13:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:25,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:13:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:25,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:13:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:26,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:13:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:26,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:13:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:26,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-08-22 21:13:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:26,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-08-22 21:13:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:13:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-22 21:13:26,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [87282153] [2020-08-22 21:13:26,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:13:26,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-22 21:13:26,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684388587] [2020-08-22 21:13:26,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-22 21:13:26,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:13:26,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-22 21:13:26,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2020-08-22 21:13:26,155 INFO L87 Difference]: Start difference. First operand 981 states and 1093 transitions. Second operand 21 states. [2020-08-22 21:13:26,672 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:27,020 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:13:27,276 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:13:27,558 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:27,806 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:13:28,044 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:28,904 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:13:30,310 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:30,636 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:13:30,988 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:31,272 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:31,556 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:13:31,829 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:13:32,096 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:32,368 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:13:32,652 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:32,993 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:13:33,322 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:13:33,608 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:13:34,155 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-08-22 21:13:34,784 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 190 [2020-08-22 21:13:35,258 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-08-22 21:13:38,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:13:38,217 INFO L93 Difference]: Finished difference Result 2374 states and 2860 transitions. [2020-08-22 21:13:38,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-22 21:13:38,217 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 221 [2020-08-22 21:13:38,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:13:38,226 INFO L225 Difference]: With dead ends: 2374 [2020-08-22 21:13:38,226 INFO L226 Difference]: Without dead ends: 1503 [2020-08-22 21:13:38,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 951 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=737, Invalid=3169, Unknown=0, NotChecked=0, Total=3906 [2020-08-22 21:13:38,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2020-08-22 21:13:38,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 938. [2020-08-22 21:13:38,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2020-08-22 21:13:38,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1031 transitions. [2020-08-22 21:13:38,579 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1031 transitions. Word has length 221 [2020-08-22 21:13:38,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:13:38,580 INFO L479 AbstractCegarLoop]: Abstraction has 938 states and 1031 transitions. [2020-08-22 21:13:38,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-22 21:13:38,580 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1031 transitions. [2020-08-22 21:13:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-08-22 21:13:38,583 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:13:38,584 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:13:38,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 21:13:38,584 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:13:38,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:13:38,585 INFO L82 PathProgramCache]: Analyzing trace with hash 296618272, now seen corresponding path program 1 times [2020-08-22 21:13:38,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:13:38,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [223254049] [2020-08-22 21:13:38,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:13:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:13:38,642 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:13:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:13:38,691 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:13:38,985 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 21:13:38,985 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 21:13:38,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 21:13:39,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:13:39 BoogieIcfgContainer [2020-08-22 21:13:39,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 21:13:39,266 INFO L168 Benchmark]: Toolchain (without parser) took 54496.12 ms. Allocated memory was 139.5 MB in the beginning and 868.2 MB in the end (delta: 728.8 MB). Free memory was 103.0 MB in the beginning and 469.6 MB in the end (delta: -366.6 MB). Peak memory consumption was 362.1 MB. Max. memory is 7.1 GB. [2020-08-22 21:13:39,267 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 21:13:39,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.36 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 174.0 MB in the end (delta: -71.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2020-08-22 21:13:39,268 INFO L168 Benchmark]: Boogie Preprocessor took 119.26 ms. Allocated memory is still 203.9 MB. Free memory was 174.0 MB in the beginning and 169.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-22 21:13:39,269 INFO L168 Benchmark]: RCFGBuilder took 1251.12 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.8 MB in the beginning and 178.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-08-22 21:13:39,270 INFO L168 Benchmark]: TraceAbstraction took 52499.32 ms. Allocated memory was 236.5 MB in the beginning and 868.2 MB in the end (delta: 631.8 MB). Free memory was 178.2 MB in the beginning and 469.6 MB in the end (delta: -291.4 MB). Peak memory consumption was 340.4 MB. Max. memory is 7.1 GB. [2020-08-22 21:13:39,272 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 621.36 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 174.0 MB in the end (delta: -71.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.26 ms. Allocated memory is still 203.9 MB. Free memory was 174.0 MB in the beginning and 169.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1251.12 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.8 MB in the beginning and 178.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52499.32 ms. Allocated memory was 236.5 MB in the beginning and 868.2 MB in the end (delta: 631.8 MB). Free memory was 178.2 MB in the beginning and 469.6 MB in the end (delta: -291.4 MB). Peak memory consumption was 340.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 764]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=171, \old(head)=176, \old(head)=160, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=136, cleanupTimeShifts=171, head={0:0}, methaneLevelCritical=144, pumpRunning=134, systemActive=133, waterLevel=136] [L413] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=171, \old(head)=160, \old(head)=176, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=136, cleanupTimeShifts=171, head={0:0}, methaneLevelCritical=144, pumpRunning=134, systemActive=133, waterLevel=1] [L414] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=171, \old(head)=176, \old(head)=160, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=136, cleanupTimeShifts=171, head={0:0}, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L581] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=171, \old(head)=176, \old(head)=160, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=136, cleanupTimeShifts=171, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=133, waterLevel=1] [L582] int systemActive = 1; VAL [\old(cleanupTimeShifts)=171, \old(head)=176, \old(head)=160, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=136, cleanupTimeShifts=171, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L833] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=171, \old(head)=176, \old(head)=160, \old(methaneLevelCritical)=144, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L906] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L907] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L911] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L912] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L913] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L824] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L827] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L828] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L913] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L913] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L915] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L917] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L918] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L900] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L511] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L512] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L513] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L514] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L515] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L518] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L520] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L522] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L528] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L530] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L532] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L532] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L538] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L540] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L550] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L552] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L755] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L552] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L565] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L589] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L618] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L623] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L733] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L734] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L735] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L739] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L493] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L500] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L501] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L739] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L739] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L741] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L744] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L746] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L747] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L623] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L623] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L625] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L627] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L652] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L677] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L681] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L455] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L456] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L681] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L681] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L683] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L656] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L658] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L662] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L646] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L662] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L627] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L598] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L604] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L770] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L771] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L775] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L452] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L455] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L456] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L775] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L777] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L604] RET __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L565] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L520] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L522] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L528] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L530] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L538] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L540] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L542] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L443] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L446] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L542] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L550] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L552] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L755] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L552] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L565] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L589] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L591] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L419] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L420] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L591] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L596] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L598] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L618] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L621] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L636] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L598] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L604] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L770] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L771] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L452] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L455] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L456] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L777] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L779] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L688] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L691] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L692] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L779] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L779] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L781] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L783] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L764] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 619 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 52.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 44.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2533 SDtfs, 6819 SDslu, 6322 SDs, 0 SdLazy, 12737 SolverSat, 2169 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 509 GetRequests, 299 SyntacticMatches, 3 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1464 ImplicationChecksByTransitivity, 20.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=981occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 2469 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 2099 NumberOfCodeBlocks, 2099 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1817 ConstructedInterpolants, 0 QuantifiedInterpolants, 832384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 12/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...