/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:59:49,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:59:49,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:59:49,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:59:49,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:59:49,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:59:49,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:59:49,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:59:49,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:59:49,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:59:49,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:59:49,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:59:49,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:59:49,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:59:49,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:59:49,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:59:49,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:59:49,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:59:49,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:59:49,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:59:49,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:59:49,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:59:49,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:59:49,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:59:49,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:59:49,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:59:49,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:59:49,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:59:49,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:59:49,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:59:49,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:59:49,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:59:49,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:59:49,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:59:49,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:59:49,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:59:49,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:59:49,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:59:49,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:59:49,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:59:49,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:59:49,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:59:49,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:59:49,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:59:49,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:59:49,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:59:49,573 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:59:49,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:59:49,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:59:49,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:59:49,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:59:49,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:59:49,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:59:49,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:59:49,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:59:49,575 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:59:49,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:59:49,575 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:59:49,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:59:49,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:59:49,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:59:49,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:59:49,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:59:49,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:59:49,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:59:49,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:59:49,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:59:49,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:59:49,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:59:49,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:59:49,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:59:49,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:59:49,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:59:49,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:59:49,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:59:49,927 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:59:49,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2019-11-06 21:59:50,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccdc79585/32c9ea59259141518267fa4f73846ec8/FLAG3c49abc97 [2019-11-06 21:59:50,523 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:59:50,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2019-11-06 21:59:50,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccdc79585/32c9ea59259141518267fa4f73846ec8/FLAG3c49abc97 [2019-11-06 21:59:50,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccdc79585/32c9ea59259141518267fa4f73846ec8 [2019-11-06 21:59:50,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:59:50,782 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:59:50,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:59:50,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:59:50,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:59:50,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:50" (1/1) ... [2019-11-06 21:59:50,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1df810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50, skipping insertion in model container [2019-11-06 21:59:50,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:50" (1/1) ... [2019-11-06 21:59:50,797 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:59:50,860 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:59:51,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:59:51,289 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:59:51,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:59:51,398 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:59:51,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:51 WrapperNode [2019-11-06 21:59:51,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:59:51,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:59:51,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:59:51,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:59:51,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:51" (1/1) ... [2019-11-06 21:59:51,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:51" (1/1) ... [2019-11-06 21:59:51,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:51" (1/1) ... [2019-11-06 21:59:51,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:51" (1/1) ... [2019-11-06 21:59:51,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:51" (1/1) ... [2019-11-06 21:59:51,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:51" (1/1) ... [2019-11-06 21:59:51,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:51" (1/1) ... [2019-11-06 21:59:51,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:59:51,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:59:51,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:59:51,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:59:51,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:59:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:59:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:59:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:59:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-06 21:59:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-06 21:59:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-06 21:59:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-06 21:59:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-06 21:59:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-06 21:59:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-06 21:59:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:59:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:59:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:59:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:59:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:59:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:59:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:59:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:59:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:59:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:59:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:59:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:59:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:59:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:59:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-06 21:59:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-06 21:59:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-06 21:59:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-06 21:59:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-06 21:59:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-06 21:59:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-06 21:59:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-06 21:59:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-11-06 21:59:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:59:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:59:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:59:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:59:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:59:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:59:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:59:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-06 21:59:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-06 21:59:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-06 21:59:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-06 21:59:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-06 21:59:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-06 21:59:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-06 21:59:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:59:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:59:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:59:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-06 21:59:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:59:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:59:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:59:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:59:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:59:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:59:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:59:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:59:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:59:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:59:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:59:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:59:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:59:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:59:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:59:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:59:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:59:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:59:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:59:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:59:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:59:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:59:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:59:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:59:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:59:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-06 21:59:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-06 21:59:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-06 21:59:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-11-06 21:59:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-06 21:59:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-06 21:59:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-06 21:59:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-06 21:59:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:59:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:59:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:59:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:59:52,640 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:59:52,640 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-06 21:59:52,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:52 BoogieIcfgContainer [2019-11-06 21:59:52,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:59:52,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:59:52,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:59:52,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:59:52,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:50" (1/3) ... [2019-11-06 21:59:52,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd0a41d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:52, skipping insertion in model container [2019-11-06 21:59:52,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:51" (2/3) ... [2019-11-06 21:59:52,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd0a41d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:52, skipping insertion in model container [2019-11-06 21:59:52,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:52" (3/3) ... [2019-11-06 21:59:52,653 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2019-11-06 21:59:52,663 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:59:52,672 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:59:52,683 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:59:52,719 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:59:52,719 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:59:52,719 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:59:52,720 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:59:52,720 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:59:52,720 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:59:52,721 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:59:52,721 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:59:52,748 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-11-06 21:59:52,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-06 21:59:52,759 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:59:52,761 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:59:52,763 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:59:52,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:59:52,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1697845513, now seen corresponding path program 1 times [2019-11-06 21:59:52,778 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:59:52,778 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919706424] [2019-11-06 21:59:52,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:59:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:53,504 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 21:59:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:53,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:59:53,581 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919706424] [2019-11-06 21:59:53,582 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:59:53,582 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 21:59:53,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194768561] [2019-11-06 21:59:53,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 21:59:53,590 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:59:53,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 21:59:53,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 21:59:53,611 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2019-11-06 21:59:54,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:59:54,671 INFO L93 Difference]: Finished difference Result 261 states and 345 transitions. [2019-11-06 21:59:54,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 21:59:54,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-11-06 21:59:54,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:59:54,687 INFO L225 Difference]: With dead ends: 261 [2019-11-06 21:59:54,688 INFO L226 Difference]: Without dead ends: 141 [2019-11-06 21:59:54,692 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 21:59:54,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-11-06 21:59:54,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 111. [2019-11-06 21:59:54,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-06 21:59:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2019-11-06 21:59:54,798 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 52 [2019-11-06 21:59:54,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:59:54,798 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2019-11-06 21:59:54,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 21:59:54,799 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2019-11-06 21:59:54,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-06 21:59:54,809 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:59:54,809 INFO L410 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] [2019-11-06 21:59:54,809 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:59:54,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:59:54,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1118186443, now seen corresponding path program 1 times [2019-11-06 21:59:54,810 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:59:54,810 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271342428] [2019-11-06 21:59:54,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:59:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:55,174 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 21:59:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:55,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:59:55,218 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271342428] [2019-11-06 21:59:55,218 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:59:55,218 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 21:59:55,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850812726] [2019-11-06 21:59:55,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 21:59:55,221 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:59:55,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 21:59:55,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 21:59:55,221 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 4 states. [2019-11-06 21:59:55,744 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 21:59:56,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:59:56,386 INFO L93 Difference]: Finished difference Result 194 states and 236 transitions. [2019-11-06 21:59:56,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 21:59:56,387 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2019-11-06 21:59:56,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:59:56,391 INFO L225 Difference]: With dead ends: 194 [2019-11-06 21:59:56,391 INFO L226 Difference]: Without dead ends: 125 [2019-11-06 21:59:56,392 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-06 21:59:56,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-06 21:59:56,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 102. [2019-11-06 21:59:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-06 21:59:56,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2019-11-06 21:59:56,423 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 53 [2019-11-06 21:59:56,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:59:56,423 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2019-11-06 21:59:56,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 21:59:56,423 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2019-11-06 21:59:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-06 21:59:56,425 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:59:56,425 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:59:56,426 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:59:56,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:59:56,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1001368997, now seen corresponding path program 1 times [2019-11-06 21:59:56,426 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:59:56,427 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918261899] [2019-11-06 21:59:56,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:59:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:56,716 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 21:59:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:59:56,798 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918261899] [2019-11-06 21:59:56,799 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:59:56,799 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 21:59:56,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950667063] [2019-11-06 21:59:56,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 21:59:56,800 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:59:56,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 21:59:56,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 21:59:56,801 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 4 states. [2019-11-06 21:59:57,133 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 21:59:57,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:59:57,746 INFO L93 Difference]: Finished difference Result 203 states and 250 transitions. [2019-11-06 21:59:57,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 21:59:57,747 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2019-11-06 21:59:57,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:59:57,749 INFO L225 Difference]: With dead ends: 203 [2019-11-06 21:59:57,749 INFO L226 Difference]: Without dead ends: 125 [2019-11-06 21:59:57,750 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-06 21:59:57,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-06 21:59:57,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 102. [2019-11-06 21:59:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-06 21:59:57,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 117 transitions. [2019-11-06 21:59:57,778 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 117 transitions. Word has length 57 [2019-11-06 21:59:57,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:59:57,779 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 117 transitions. [2019-11-06 21:59:57,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 21:59:57,779 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2019-11-06 21:59:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-06 21:59:57,780 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:59:57,781 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:59:57,781 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:59:57,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:59:57,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1834066652, now seen corresponding path program 1 times [2019-11-06 21:59:57,782 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:59:57,782 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361959025] [2019-11-06 21:59:57,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:59:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:58,107 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 21:59:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:59:58,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:59:58,207 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361959025] [2019-11-06 21:59:58,208 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:59:58,208 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 21:59:58,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150912674] [2019-11-06 21:59:58,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 21:59:58,209 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:59:58,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 21:59:58,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-06 21:59:58,210 INFO L87 Difference]: Start difference. First operand 102 states and 117 transitions. Second operand 6 states. [2019-11-06 21:59:58,596 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 21:59:59,847 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:00:00,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:00:00,382 INFO L93 Difference]: Finished difference Result 298 states and 368 transitions. [2019-11-06 22:00:00,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 22:00:00,384 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-11-06 22:00:00,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:00:00,387 INFO L225 Difference]: With dead ends: 298 [2019-11-06 22:00:00,387 INFO L226 Difference]: Without dead ends: 220 [2019-11-06 22:00:00,388 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-06 22:00:00,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2019-11-06 22:00:00,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 179. [2019-11-06 22:00:00,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2019-11-06 22:00:00,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 206 transitions. [2019-11-06 22:00:00,430 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 206 transitions. Word has length 65 [2019-11-06 22:00:00,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:00:00,431 INFO L462 AbstractCegarLoop]: Abstraction has 179 states and 206 transitions. [2019-11-06 22:00:00,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 22:00:00,431 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 206 transitions. [2019-11-06 22:00:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-06 22:00:00,432 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:00:00,433 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:00:00,433 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:00:00,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:00:00,433 INFO L82 PathProgramCache]: Analyzing trace with hash 476831218, now seen corresponding path program 1 times [2019-11-06 22:00:00,433 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:00:00,434 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625200292] [2019-11-06 22:00:00,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:00:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:00,747 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:00:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:00:00,821 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625200292] [2019-11-06 22:00:00,821 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:00:00,821 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 22:00:00,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656909672] [2019-11-06 22:00:00,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 22:00:00,822 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:00:00,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 22:00:00,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-06 22:00:00,823 INFO L87 Difference]: Start difference. First operand 179 states and 206 transitions. Second operand 8 states. [2019-11-06 22:00:01,344 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:00:02,712 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:00:03,033 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:00:03,313 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:00:03,583 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:00:04,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:00:04,186 INFO L93 Difference]: Finished difference Result 486 states and 614 transitions. [2019-11-06 22:00:04,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-06 22:00:04,188 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2019-11-06 22:00:04,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:00:04,193 INFO L225 Difference]: With dead ends: 486 [2019-11-06 22:00:04,193 INFO L226 Difference]: Without dead ends: 331 [2019-11-06 22:00:04,194 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2019-11-06 22:00:04,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-11-06 22:00:04,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 291. [2019-11-06 22:00:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2019-11-06 22:00:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 341 transitions. [2019-11-06 22:00:04,281 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 341 transitions. Word has length 79 [2019-11-06 22:00:04,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:00:04,282 INFO L462 AbstractCegarLoop]: Abstraction has 291 states and 341 transitions. [2019-11-06 22:00:04,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 22:00:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 341 transitions. [2019-11-06 22:00:04,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-06 22:00:04,284 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:00:04,284 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:00:04,284 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:00:04,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:00:04,285 INFO L82 PathProgramCache]: Analyzing trace with hash 786989304, now seen corresponding path program 1 times [2019-11-06 22:00:04,285 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:00:04,285 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746194461] [2019-11-06 22:00:04,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:00:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,586 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:00:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:04,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:00:04,699 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746194461] [2019-11-06 22:00:04,700 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:00:04,700 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 22:00:04,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350183369] [2019-11-06 22:00:04,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 22:00:04,701 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:00:04,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 22:00:04,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-11-06 22:00:04,702 INFO L87 Difference]: Start difference. First operand 291 states and 341 transitions. Second operand 10 states. [2019-11-06 22:00:05,203 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:00:06,562 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:00:06,913 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:00:07,186 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:00:07,450 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:00:07,864 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:00:08,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:00:08,685 INFO L93 Difference]: Finished difference Result 651 states and 830 transitions. [2019-11-06 22:00:08,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 22:00:08,690 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2019-11-06 22:00:08,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:00:08,694 INFO L225 Difference]: With dead ends: 651 [2019-11-06 22:00:08,694 INFO L226 Difference]: Without dead ends: 485 [2019-11-06 22:00:08,695 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2019-11-06 22:00:08,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-11-06 22:00:08,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 417. [2019-11-06 22:00:08,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-11-06 22:00:08,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 496 transitions. [2019-11-06 22:00:08,772 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 496 transitions. Word has length 83 [2019-11-06 22:00:08,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:00:08,773 INFO L462 AbstractCegarLoop]: Abstraction has 417 states and 496 transitions. [2019-11-06 22:00:08,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 22:00:08,773 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 496 transitions. [2019-11-06 22:00:08,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-06 22:00:08,774 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:00:08,775 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:00:08,775 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:00:08,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:00:08,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1116755065, now seen corresponding path program 1 times [2019-11-06 22:00:08,775 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:00:08,775 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482255698] [2019-11-06 22:00:08,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:00:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,075 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:00:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:00:09,219 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482255698] [2019-11-06 22:00:09,219 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:00:09,219 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 22:00:09,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548522078] [2019-11-06 22:00:09,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 22:00:09,220 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:00:09,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 22:00:09,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-06 22:00:09,221 INFO L87 Difference]: Start difference. First operand 417 states and 496 transitions. Second operand 8 states. [2019-11-06 22:00:10,133 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:00:10,372 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:00:10,644 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:00:11,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:00:11,572 INFO L93 Difference]: Finished difference Result 769 states and 955 transitions. [2019-11-06 22:00:11,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 22:00:11,572 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2019-11-06 22:00:11,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:00:11,577 INFO L225 Difference]: With dead ends: 769 [2019-11-06 22:00:11,577 INFO L226 Difference]: Without dead ends: 473 [2019-11-06 22:00:11,578 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-11-06 22:00:11,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2019-11-06 22:00:11,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 417. [2019-11-06 22:00:11,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-11-06 22:00:11,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 495 transitions. [2019-11-06 22:00:11,660 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 495 transitions. Word has length 83 [2019-11-06 22:00:11,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:00:11,660 INFO L462 AbstractCegarLoop]: Abstraction has 417 states and 495 transitions. [2019-11-06 22:00:11,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 22:00:11,660 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 495 transitions. [2019-11-06 22:00:11,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-06 22:00:11,662 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:00:11,662 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:00:11,663 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:00:11,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:00:11,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1044368507, now seen corresponding path program 1 times [2019-11-06 22:00:11,663 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:00:11,664 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44417339] [2019-11-06 22:00:11,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:00:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:11,941 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:00:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:00:12,079 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44417339] [2019-11-06 22:00:12,079 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:00:12,079 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 22:00:12,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280687492] [2019-11-06 22:00:12,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 22:00:12,080 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:00:12,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 22:00:12,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-11-06 22:00:12,081 INFO L87 Difference]: Start difference. First operand 417 states and 495 transitions. Second operand 12 states. [2019-11-06 22:00:12,783 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:00:13,051 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:00:13,334 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:00:14,016 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:00:14,271 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-11-06 22:00:14,548 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:00:14,803 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:00:15,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:00:15,677 INFO L93 Difference]: Finished difference Result 834 states and 1039 transitions. [2019-11-06 22:00:15,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-06 22:00:15,678 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2019-11-06 22:00:15,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:00:15,682 INFO L225 Difference]: With dead ends: 834 [2019-11-06 22:00:15,682 INFO L226 Difference]: Without dead ends: 441 [2019-11-06 22:00:15,683 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2019-11-06 22:00:15,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2019-11-06 22:00:15,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 390. [2019-11-06 22:00:15,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-11-06 22:00:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 461 transitions. [2019-11-06 22:00:15,756 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 461 transitions. Word has length 83 [2019-11-06 22:00:15,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:00:15,757 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 461 transitions. [2019-11-06 22:00:15,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 22:00:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 461 transitions. [2019-11-06 22:00:15,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-06 22:00:15,758 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:00:15,759 INFO L410 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] [2019-11-06 22:00:15,759 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:00:15,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:00:15,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1113116411, now seen corresponding path program 1 times [2019-11-06 22:00:15,759 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:00:15,760 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717125408] [2019-11-06 22:00:15,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:00:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,069 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:00:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:00:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:00:16,215 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717125408] [2019-11-06 22:00:16,215 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:00:16,216 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-06 22:00:16,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502782759] [2019-11-06 22:00:16,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 22:00:16,217 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:00:16,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 22:00:16,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2019-11-06 22:00:16,218 INFO L87 Difference]: Start difference. First operand 390 states and 461 transitions. Second operand 13 states. [2019-11-06 22:00:17,438 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:00:17,708 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:00:17,971 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:00:18,956 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:00:19,756 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:00:20,127 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:00:20,409 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:00:20,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:00:20,944 INFO L93 Difference]: Finished difference Result 771 states and 924 transitions. [2019-11-06 22:00:20,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 22:00:20,944 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 84 [2019-11-06 22:00:20,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:00:20,945 INFO L225 Difference]: With dead ends: 771 [2019-11-06 22:00:20,945 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 22:00:20,950 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2019-11-06 22:00:20,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 22:00:20,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 22:00:20,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 22:00:20,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 22:00:20,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2019-11-06 22:00:20,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:00:20,952 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 22:00:20,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-06 22:00:20,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 22:00:20,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 22:00:20,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 22:00:21,668 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 221 [2019-11-06 22:00:22,556 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 216 [2019-11-06 22:00:23,180 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 216 [2019-11-06 22:00:24,050 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 16 [2019-11-06 22:00:24,208 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2019-11-06 22:00:24,363 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2019-11-06 22:00:24,519 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2019-11-06 22:00:24,673 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2019-11-06 22:00:25,041 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2019-11-06 22:00:25,412 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 19 [2019-11-06 22:00:25,641 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:00:25,815 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2019-11-06 22:00:26,212 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2019-11-06 22:00:26,721 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 21 [2019-11-06 22:00:26,882 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2019-11-06 22:00:27,335 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 16 [2019-11-06 22:00:27,510 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2019-11-06 22:00:27,728 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2019-11-06 22:00:28,028 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 11 [2019-11-06 22:00:28,196 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-11-06 22:00:28,374 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-11-06 22:00:28,540 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1