/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_spec4_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:35:07,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:35:07,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:35:07,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:35:07,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:35:07,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:35:07,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:35:07,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:35:07,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:35:07,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:35:07,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:35:07,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:35:07,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:35:07,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:35:07,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:35:07,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:35:07,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:35:07,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:35:07,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:35:07,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:35:07,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:35:07,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:35:07,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:35:07,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:35:07,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:35:07,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:35:07,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:35:07,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:35:07,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:35:07,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:35:07,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:35:07,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:35:07,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:35:07,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:35:07,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:35:07,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:35:07,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:35:07,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:35:07,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:35:07,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:35:07,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:35:07,533 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 [2020-07-17 11:35:07,547 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:35:07,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:35:07,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:35:07,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:35:07,548 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:35:07,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:35:07,549 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:35:07,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:35:07,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:35:07,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:35:07,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:35:07,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:35:07,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:35:07,550 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:35:07,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:35:07,551 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:35:07,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:35:07,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:35:07,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:35:07,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:35:07,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:35:07,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:35:07,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:35:07,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:35:07,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:35:07,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:35:07,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:35:07,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:35:07,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:35:07,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:35:07,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:35:07,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:35:07,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:35:07,839 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:35:07,840 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:35:07,841 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product50.cil.c [2020-07-17 11:35:07,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7604f88/4148c0d956754d7cb471af81781a599d/FLAGa039cd7fe [2020-07-17 11:35:08,459 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:35:08,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product50.cil.c [2020-07-17 11:35:08,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7604f88/4148c0d956754d7cb471af81781a599d/FLAGa039cd7fe [2020-07-17 11:35:08,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7604f88/4148c0d956754d7cb471af81781a599d [2020-07-17 11:35:08,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:35:08,757 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:35:08,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:35:08,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:35:08,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:35:08,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:35:08" (1/1) ... [2020-07-17 11:35:08,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcd9b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:08, skipping insertion in model container [2020-07-17 11:35:08,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:35:08" (1/1) ... [2020-07-17 11:35:08,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:35:08,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:35:09,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:35:09,198 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:35:09,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:35:09,357 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:35:09,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:09 WrapperNode [2020-07-17 11:35:09,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:35:09,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:35:09,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:35:09,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:35:09,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:09" (1/1) ... [2020-07-17 11:35:09,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:09" (1/1) ... [2020-07-17 11:35:09,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:09" (1/1) ... [2020-07-17 11:35:09,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:09" (1/1) ... [2020-07-17 11:35:09,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:09" (1/1) ... [2020-07-17 11:35:09,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:09" (1/1) ... [2020-07-17 11:35:09,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:09" (1/1) ... [2020-07-17 11:35:09,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:35:09,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:35:09,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:35:09,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:35:09,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:09" (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 [2020-07-17 11:35:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:35:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:35:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:35:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:35:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:35:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:35:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:35:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:35:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:35:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-17 11:35:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:35:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:35:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:35:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:35:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:35:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:35:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:35:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:35:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:35:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:35:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:35:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:35:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:35:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:35:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:35:09,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:35:09,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:35:09,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:35:09,531 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:35:09,531 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:35:09,531 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:35:09,531 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:35:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:35:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:35:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:35:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:35:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:35:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:35:09,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:35:09,533 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 11:35:09,533 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:35:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:35:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:35:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:35:09,533 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:35:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:35:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:35:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:35:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:35:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:35:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:35:09,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:35:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:35:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:35:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:35:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:35:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:35:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:35:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:35:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:35:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:35:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:35:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:35:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:35:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-17 11:35:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:35:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:35:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:35:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:35:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:35:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:35:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:35:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:35:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:35:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:35:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:35:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:35:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:35:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:35:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:35:09,539 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:35:09,539 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:35:09,539 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:35:09,539 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:35:09,539 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:35:09,539 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:35:09,539 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 11:35:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:35:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:35:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:35:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:35:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:35:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:35:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:35:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:35:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:35:10,615 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:35:10,616 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:35:10,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:35:10 BoogieIcfgContainer [2020-07-17 11:35:10,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:35:10,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:35:10,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:35:10,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:35:10,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:35:08" (1/3) ... [2020-07-17 11:35:10,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9362fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:35:10, skipping insertion in model container [2020-07-17 11:35:10,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:09" (2/3) ... [2020-07-17 11:35:10,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9362fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:35:10, skipping insertion in model container [2020-07-17 11:35:10,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:35:10" (3/3) ... [2020-07-17 11:35:10,628 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2020-07-17 11:35:10,638 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:35:10,646 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:35:10,659 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:35:10,682 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:35:10,682 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:35:10,683 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:35:10,683 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:35:10,683 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:35:10,683 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:35:10,684 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:35:10,684 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:35:10,705 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-07-17 11:35:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-17 11:35:10,715 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:10,716 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] [2020-07-17 11:35:10,716 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:10,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:10,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1488722281, now seen corresponding path program 1 times [2020-07-17 11:35:10,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:10,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247173134] [2020-07-17 11:35:10,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:11,359 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:11,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:11,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247173134] [2020-07-17 11:35:11,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:11,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 11:35:11,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038893083] [2020-07-17 11:35:11,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:35:11,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:11,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:35:11,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:35:11,468 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 3 states. [2020-07-17 11:35:12,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:12,614 INFO L93 Difference]: Finished difference Result 306 states and 398 transitions. [2020-07-17 11:35:12,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:35:12,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-17 11:35:12,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:12,633 INFO L225 Difference]: With dead ends: 306 [2020-07-17 11:35:12,634 INFO L226 Difference]: Without dead ends: 165 [2020-07-17 11:35:12,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:35:12,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-07-17 11:35:12,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 132. [2020-07-17 11:35:12,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-17 11:35:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions. [2020-07-17 11:35:12,758 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 46 [2020-07-17 11:35:12,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:12,759 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions. [2020-07-17 11:35:12,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:35:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2020-07-17 11:35:12,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-17 11:35:12,765 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:12,766 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] [2020-07-17 11:35:12,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:35:12,767 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:12,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:12,767 INFO L82 PathProgramCache]: Analyzing trace with hash 469599371, now seen corresponding path program 1 times [2020-07-17 11:35:12,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:12,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620884258] [2020-07-17 11:35:12,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:13,100 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:13,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620884258] [2020-07-17 11:35:13,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:13,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:35:13,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639156365] [2020-07-17 11:35:13,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:35:13,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:13,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:35:13,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:35:13,146 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand 4 states. [2020-07-17 11:35:13,605 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:35:14,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:14,516 INFO L93 Difference]: Finished difference Result 235 states and 285 transitions. [2020-07-17 11:35:14,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 11:35:14,517 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-17 11:35:14,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:14,520 INFO L225 Difference]: With dead ends: 235 [2020-07-17 11:35:14,520 INFO L226 Difference]: Without dead ends: 149 [2020-07-17 11:35:14,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:35:14,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-17 11:35:14,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 123. [2020-07-17 11:35:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-17 11:35:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2020-07-17 11:35:14,557 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 47 [2020-07-17 11:35:14,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:14,558 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2020-07-17 11:35:14,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:35:14,558 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2020-07-17 11:35:14,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 11:35:14,560 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:14,560 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] [2020-07-17 11:35:14,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:35:14,560 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:14,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:14,561 INFO L82 PathProgramCache]: Analyzing trace with hash 305445596, now seen corresponding path program 1 times [2020-07-17 11:35:14,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:14,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337530337] [2020-07-17 11:35:14,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:14,881 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:15,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:15,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337530337] [2020-07-17 11:35:15,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:15,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:35:15,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266180229] [2020-07-17 11:35:15,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:35:15,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:15,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:35:15,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:35:15,024 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 8 states. [2020-07-17 11:35:15,402 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:15,711 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:15,941 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:16,170 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:17,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:17,313 INFO L93 Difference]: Finished difference Result 248 states and 303 transitions. [2020-07-17 11:35:17,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:35:17,313 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-17 11:35:17,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:17,316 INFO L225 Difference]: With dead ends: 248 [2020-07-17 11:35:17,316 INFO L226 Difference]: Without dead ends: 149 [2020-07-17 11:35:17,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:35:17,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-17 11:35:17,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 123. [2020-07-17 11:35:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-17 11:35:17,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2020-07-17 11:35:17,352 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 52 [2020-07-17 11:35:17,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:17,353 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2020-07-17 11:35:17,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:35:17,353 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2020-07-17 11:35:17,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-17 11:35:17,354 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:17,355 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] [2020-07-17 11:35:17,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:35:17,355 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:17,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:17,356 INFO L82 PathProgramCache]: Analyzing trace with hash 892474279, now seen corresponding path program 1 times [2020-07-17 11:35:17,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:17,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355786165] [2020-07-17 11:35:17,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:17,604 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:17,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355786165] [2020-07-17 11:35:17,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:17,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 11:35:17,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433508553] [2020-07-17 11:35:17,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:35:17,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:17,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:35:17,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 11:35:17,711 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand 6 states. [2020-07-17 11:35:18,141 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:19,194 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:35:19,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:19,854 INFO L93 Difference]: Finished difference Result 345 states and 425 transitions. [2020-07-17 11:35:19,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:35:19,855 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-17 11:35:19,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:19,857 INFO L225 Difference]: With dead ends: 345 [2020-07-17 11:35:19,857 INFO L226 Difference]: Without dead ends: 246 [2020-07-17 11:35:19,859 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:35:19,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-17 11:35:19,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 203. [2020-07-17 11:35:19,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-07-17 11:35:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 230 transitions. [2020-07-17 11:35:19,910 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 230 transitions. Word has length 65 [2020-07-17 11:35:19,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:19,911 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 230 transitions. [2020-07-17 11:35:19,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:35:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 230 transitions. [2020-07-17 11:35:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-17 11:35:19,913 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:19,913 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] [2020-07-17 11:35:19,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:35:19,913 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:19,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:19,914 INFO L82 PathProgramCache]: Analyzing trace with hash 861206730, now seen corresponding path program 1 times [2020-07-17 11:35:19,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:19,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546030349] [2020-07-17 11:35:19,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:20,201 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:20,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:20,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546030349] [2020-07-17 11:35:20,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:20,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:35:20,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586574713] [2020-07-17 11:35:20,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:35:20,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:20,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:35:20,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:35:20,341 INFO L87 Difference]: Start difference. First operand 203 states and 230 transitions. Second operand 12 states. [2020-07-17 11:35:20,822 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:21,153 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:21,399 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:21,625 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:22,136 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:35:23,014 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:23,290 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:23,512 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:23,741 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:35:24,001 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:24,252 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:25,521 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:25,837 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:26,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:26,474 INFO L93 Difference]: Finished difference Result 713 states and 919 transitions. [2020-07-17 11:35:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 11:35:26,474 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 79 [2020-07-17 11:35:26,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:26,480 INFO L225 Difference]: With dead ends: 713 [2020-07-17 11:35:26,480 INFO L226 Difference]: Without dead ends: 534 [2020-07-17 11:35:26,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-17 11:35:26,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-07-17 11:35:26,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 472. [2020-07-17 11:35:26,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-07-17 11:35:26,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 553 transitions. [2020-07-17 11:35:26,585 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 553 transitions. Word has length 79 [2020-07-17 11:35:26,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:26,585 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 553 transitions. [2020-07-17 11:35:26,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:35:26,585 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 553 transitions. [2020-07-17 11:35:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-17 11:35:26,589 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:26,589 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:35:26,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:35:26,590 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:26,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:26,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1327678130, now seen corresponding path program 1 times [2020-07-17 11:35:26,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:26,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791405110] [2020-07-17 11:35:26,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:26,858 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,102 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-17 11:35:27,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791405110] [2020-07-17 11:35:27,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373218224] [2020-07-17 11:35:27,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:35:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:27,285 INFO L264 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-17 11:35:27,297 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:35:27,424 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:27,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:35:27,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 17 [2020-07-17 11:35:27,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92751927] [2020-07-17 11:35:27,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:35:27,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:27,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:35:27,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:35:27,427 INFO L87 Difference]: Start difference. First operand 472 states and 553 transitions. Second operand 8 states. [2020-07-17 11:35:28,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:28,801 INFO L93 Difference]: Finished difference Result 1222 states and 1582 transitions. [2020-07-17 11:35:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 11:35:28,801 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-07-17 11:35:28,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:28,809 INFO L225 Difference]: With dead ends: 1222 [2020-07-17 11:35:28,809 INFO L226 Difference]: Without dead ends: 882 [2020-07-17 11:35:28,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2020-07-17 11:35:28,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-07-17 11:35:28,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 801. [2020-07-17 11:35:28,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2020-07-17 11:35:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 978 transitions. [2020-07-17 11:35:28,988 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 978 transitions. Word has length 138 [2020-07-17 11:35:28,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:28,989 INFO L479 AbstractCegarLoop]: Abstraction has 801 states and 978 transitions. [2020-07-17 11:35:28,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:35:28,989 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 978 transitions. [2020-07-17 11:35:28,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-17 11:35:28,991 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:28,991 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:35:29,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-17 11:35:29,205 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:29,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:29,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1471064898, now seen corresponding path program 1 times [2020-07-17 11:35:29,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:29,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927036765] [2020-07-17 11:35:29,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,470 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-17 11:35:29,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927036765] [2020-07-17 11:35:29,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842631982] [2020-07-17 11:35:29,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:35:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:29,824 INFO L264 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-17 11:35:29,830 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:35:29,921 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-17 11:35:29,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:35:29,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2020-07-17 11:35:29,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545192564] [2020-07-17 11:35:29,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:35:29,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:29,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:35:29,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:35:29,924 INFO L87 Difference]: Start difference. First operand 801 states and 978 transitions. Second operand 6 states. [2020-07-17 11:35:30,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:30,274 INFO L93 Difference]: Finished difference Result 822 states and 1001 transitions. [2020-07-17 11:35:30,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:35:30,275 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2020-07-17 11:35:30,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:30,280 INFO L225 Difference]: With dead ends: 822 [2020-07-17 11:35:30,281 INFO L226 Difference]: Without dead ends: 819 [2020-07-17 11:35:30,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:35:30,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2020-07-17 11:35:30,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 801. [2020-07-17 11:35:30,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2020-07-17 11:35:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 974 transitions. [2020-07-17 11:35:30,419 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 974 transitions. Word has length 130 [2020-07-17 11:35:30,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:30,420 INFO L479 AbstractCegarLoop]: Abstraction has 801 states and 974 transitions. [2020-07-17 11:35:30,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:35:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 974 transitions. [2020-07-17 11:35:30,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-17 11:35:30,422 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:30,422 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:35:30,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:35:30,638 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:30,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:30,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1064175252, now seen corresponding path program 1 times [2020-07-17 11:35:30,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:30,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399761938] [2020-07-17 11:35:30,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:30,928 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-17 11:35:31,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399761938] [2020-07-17 11:35:31,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131518508] [2020-07-17 11:35:31,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:35:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:31,383 INFO L264 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-17 11:35:31,388 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:35:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-17 11:35:31,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:35:31,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2020-07-17 11:35:31,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383502381] [2020-07-17 11:35:31,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:35:31,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:31,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:35:31,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:35:31,431 INFO L87 Difference]: Start difference. First operand 801 states and 974 transitions. Second operand 6 states. [2020-07-17 11:35:31,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:31,707 INFO L93 Difference]: Finished difference Result 1598 states and 1984 transitions. [2020-07-17 11:35:31,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 11:35:31,708 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2020-07-17 11:35:31,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:31,715 INFO L225 Difference]: With dead ends: 1598 [2020-07-17 11:35:31,715 INFO L226 Difference]: Without dead ends: 821 [2020-07-17 11:35:31,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 174 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:35:31,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2020-07-17 11:35:32,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2020-07-17 11:35:32,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-07-17 11:35:32,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 998 transitions. [2020-07-17 11:35:32,009 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 998 transitions. Word has length 134 [2020-07-17 11:35:32,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:32,010 INFO L479 AbstractCegarLoop]: Abstraction has 821 states and 998 transitions. [2020-07-17 11:35:32,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:35:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 998 transitions. [2020-07-17 11:35:32,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-17 11:35:32,013 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:32,014 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:35:32,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:35:32,228 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:32,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:32,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1351661098, now seen corresponding path program 1 times [2020-07-17 11:35:32,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:32,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007906797] [2020-07-17 11:35:32,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,465 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,631 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-17 11:35:32,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007906797] [2020-07-17 11:35:32,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420002402] [2020-07-17 11:35:32,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:35:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:32,791 INFO L264 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-17 11:35:32,794 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:35:32,864 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-17 11:35:32,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:35:32,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2020-07-17 11:35:32,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221453249] [2020-07-17 11:35:32,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:35:32,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:32,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:35:32,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:35:32,866 INFO L87 Difference]: Start difference. First operand 821 states and 998 transitions. Second operand 5 states. [2020-07-17 11:35:33,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:33,004 INFO L93 Difference]: Finished difference Result 1485 states and 1840 transitions. [2020-07-17 11:35:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 11:35:33,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-07-17 11:35:33,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:33,009 INFO L225 Difference]: With dead ends: 1485 [2020-07-17 11:35:33,009 INFO L226 Difference]: Without dead ends: 688 [2020-07-17 11:35:33,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:35:33,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-07-17 11:35:33,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2020-07-17 11:35:33,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-07-17 11:35:33,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 822 transitions. [2020-07-17 11:35:33,134 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 822 transitions. Word has length 134 [2020-07-17 11:35:33,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:33,134 INFO L479 AbstractCegarLoop]: Abstraction has 688 states and 822 transitions. [2020-07-17 11:35:33,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:35:33,134 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 822 transitions. [2020-07-17 11:35:33,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-17 11:35:33,136 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:33,136 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:35:33,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:35:33,350 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:33,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:33,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1918338429, now seen corresponding path program 1 times [2020-07-17 11:35:33,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:33,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889339933] [2020-07-17 11:35:33,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,671 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:33,830 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 11:35:33,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889339933] [2020-07-17 11:35:33,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769256739] [2020-07-17 11:35:33,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:35:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:34,123 INFO L264 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-17 11:35:34,127 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:35:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:34,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:35:34,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 17 [2020-07-17 11:35:34,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210021885] [2020-07-17 11:35:34,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-17 11:35:34,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:34,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-17 11:35:34,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:35:34,257 INFO L87 Difference]: Start difference. First operand 688 states and 822 transitions. Second operand 17 states. [2020-07-17 11:35:34,828 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:35,459 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:36,583 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2020-07-17 11:35:36,874 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:37,109 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:37,550 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-17 11:35:37,812 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:35:38,042 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:35:39,199 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:39,485 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:40,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:40,485 INFO L93 Difference]: Finished difference Result 1396 states and 1765 transitions. [2020-07-17 11:35:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-17 11:35:40,485 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 138 [2020-07-17 11:35:40,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:40,492 INFO L225 Difference]: With dead ends: 1396 [2020-07-17 11:35:40,492 INFO L226 Difference]: Without dead ends: 795 [2020-07-17 11:35:40,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 184 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=364, Invalid=1042, Unknown=0, NotChecked=0, Total=1406 [2020-07-17 11:35:40,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2020-07-17 11:35:40,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 670. [2020-07-17 11:35:40,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2020-07-17 11:35:40,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 800 transitions. [2020-07-17 11:35:40,685 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 800 transitions. Word has length 138 [2020-07-17 11:35:40,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:40,686 INFO L479 AbstractCegarLoop]: Abstraction has 670 states and 800 transitions. [2020-07-17 11:35:40,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-17 11:35:40,687 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 800 transitions. [2020-07-17 11:35:40,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-17 11:35:40,692 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:40,693 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:35:40,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:35:40,908 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:40,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:40,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1150491295, now seen corresponding path program 2 times [2020-07-17 11:35:40,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:40,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229489452] [2020-07-17 11:35:40,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,199 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:41,486 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 49 proven. 25 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-07-17 11:35:41,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229489452] [2020-07-17 11:35:41,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736460195] [2020-07-17 11:35:41,487 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:35:41,728 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-17 11:35:41,729 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-17 11:35:41,732 INFO L264 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 19 conjunts are in the unsatisfiable core [2020-07-17 11:35:41,739 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:35:41,799 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-17 11:35:41,800 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 11:35:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 70 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-17 11:35:41,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:35:41,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 23 [2020-07-17 11:35:41,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443502117] [2020-07-17 11:35:41,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-17 11:35:41,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:41,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-17 11:35:41,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2020-07-17 11:35:41,987 INFO L87 Difference]: Start difference. First operand 670 states and 800 transitions. Second operand 23 states. [2020-07-17 11:35:43,315 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:43,588 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:45,508 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:35:45,799 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:35:46,045 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:35:46,504 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-07-17 11:35:46,974 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-07-17 11:35:48,788 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-07-17 11:35:49,433 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-07-17 11:35:49,913 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-17 11:35:50,390 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-07-17 11:35:50,896 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-17 11:35:51,435 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-17 11:35:51,905 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-07-17 11:35:52,409 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2020-07-17 11:35:53,216 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-07-17 11:35:53,677 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:35:54,145 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:35:55,298 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-07-17 11:35:55,781 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-07-17 11:35:56,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:56,779 INFO L93 Difference]: Finished difference Result 2006 states and 2550 transitions. [2020-07-17 11:35:56,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-17 11:35:56,780 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 192 [2020-07-17 11:35:56,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:56,789 INFO L225 Difference]: With dead ends: 2006 [2020-07-17 11:35:56,789 INFO L226 Difference]: Without dead ends: 1421 [2020-07-17 11:35:56,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 257 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1028 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=724, Invalid=3182, Unknown=0, NotChecked=0, Total=3906 [2020-07-17 11:35:56,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2020-07-17 11:35:57,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1140. [2020-07-17 11:35:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1140 states. [2020-07-17 11:35:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1331 transitions. [2020-07-17 11:35:57,057 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1331 transitions. Word has length 192 [2020-07-17 11:35:57,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:57,060 INFO L479 AbstractCegarLoop]: Abstraction has 1140 states and 1331 transitions. [2020-07-17 11:35:57,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-17 11:35:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1331 transitions. [2020-07-17 11:35:57,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-17 11:35:57,067 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:57,067 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:35:57,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:35:57,282 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:57,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:57,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1185901215, now seen corresponding path program 1 times [2020-07-17 11:35:57,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:57,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319410895] [2020-07-17 11:35:57,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,635 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:57,846 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-17 11:35:57,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319410895] [2020-07-17 11:35:57,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861986015] [2020-07-17 11:35:57,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:35:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:58,025 INFO L264 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 11:35:58,028 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:35:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-17 11:35:58,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:35:58,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 13 [2020-07-17 11:35:58,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688911536] [2020-07-17 11:35:58,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:35:58,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:58,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:35:58,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:35:58,049 INFO L87 Difference]: Start difference. First operand 1140 states and 1331 transitions. Second operand 6 states. [2020-07-17 11:35:58,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:58,136 INFO L93 Difference]: Finished difference Result 1431 states and 1668 transitions. [2020-07-17 11:35:58,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 11:35:58,136 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-07-17 11:35:58,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:58,138 INFO L225 Difference]: With dead ends: 1431 [2020-07-17 11:35:58,138 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:35:58,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:35:58,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:35:58,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:35:58,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:35:58,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:35:58,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2020-07-17 11:35:58,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:58,143 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:35:58,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:35:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:35:58,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:35:58,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:35:58,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:35:59,441 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 237 [2020-07-17 11:36:00,708 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 238 [2020-07-17 11:36:01,107 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 240 [2020-07-17 11:36:01,225 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 238 [2020-07-17 11:36:01,593 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 238 [2020-07-17 11:36:02,426 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 11 [2020-07-17 11:36:02,558 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:36:02,737 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-07-17 11:36:03,336 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 27 [2020-07-17 11:36:03,516 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-17 11:36:03,843 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 14 [2020-07-17 11:36:04,295 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 20 [2020-07-17 11:36:04,629 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 25 [2020-07-17 11:36:05,009 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2020-07-17 11:36:05,194 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2020-07-17 11:36:05,330 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:36:05,462 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-17 11:36:05,686 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 22 [2020-07-17 11:36:06,166 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2020-07-17 11:36:06,371 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2020-07-17 11:36:06,837 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 21 [2020-07-17 11:36:07,008 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-07-17 11:36:07,326 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 15 [2020-07-17 11:36:07,848 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 20 [2020-07-17 11:36:08,011 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-17 11:36:08,342 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 24 [2020-07-17 11:36:08,644 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 14 [2020-07-17 11:36:09,200 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 28 [2020-07-17 11:36:09,501 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 24 [2020-07-17 11:36:09,826 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 24 [2020-07-17 11:36:10,108 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 15 [2020-07-17 11:36:10,238 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 8 [2020-07-17 11:36:10,410 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-07-17 11:36:10,549 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 12 [2020-07-17 11:36:10,731 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-07-17 11:36:10,903 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-07-17 11:36:11,034 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:36:11,206 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-07-17 11:36:11,586 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 24 [2020-07-17 11:36:11,736 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-17 11:36:11,935 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 17 [2020-07-17 11:36:12,200 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 16 [2020-07-17 11:36:12,529 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 13 [2020-07-17 11:36:13,070 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 17 [2020-07-17 11:36:13,458 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-17 11:36:13,629 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-07-17 11:36:13,638 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:36:13,638 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:36:13,639 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 11:36:13,639 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-17 11:36:13,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:36:13,639 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-17 11:36:13,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:36:13,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:36:13,639 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-17 11:36:13,640 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-17 11:36:13,640 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:36:13,640 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:36:13,640 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:36:13,640 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 11:36:13,640 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:36:13,640 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-17 11:36:13,640 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:36:13,640 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-17 11:36:13,641 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 566 572) the Hoare annotation is: true [2020-07-17 11:36:13,641 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 566 572) no Hoare annotation was computed. [2020-07-17 11:36:13,641 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 573 581) no Hoare annotation was computed. [2020-07-17 11:36:13,641 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 573 581) the Hoare annotation is: true [2020-07-17 11:36:13,641 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 573 581) no Hoare annotation was computed. [2020-07-17 11:36:13,641 INFO L268 CegarLoopResult]: For program point L417(lines 417 430) no Hoare annotation was computed. [2020-07-17 11:36:13,641 INFO L268 CegarLoopResult]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2020-07-17 11:36:13,642 INFO L271 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: true [2020-07-17 11:36:13,642 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2020-07-17 11:36:13,642 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-07-17 11:36:13,642 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2020-07-17 11:36:13,642 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-17 11:36:13,642 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-07-17 11:36:13,642 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-17 11:36:13,643 INFO L268 CegarLoopResult]: For program point L419-1(line 419) no Hoare annotation was computed. [2020-07-17 11:36:13,643 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:36:13,643 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2020-07-17 11:36:13,643 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:36:13,643 INFO L264 CegarLoopResult]: At program point L527-1(line 527) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:36:13,643 INFO L268 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2020-07-17 11:36:13,643 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2020-07-17 11:36:13,644 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2020-07-17 11:36:13,644 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-17 11:36:13,644 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:36:13,644 INFO L264 CegarLoopResult]: At program point L521(line 521) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:36:13,644 INFO L264 CegarLoopResult]: At program point L521-1(line 521) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:36:13,644 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-17 11:36:13,644 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-07-17 11:36:13,645 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2020-07-17 11:36:13,645 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-17 11:36:13,645 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-17 11:36:13,645 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-07-17 11:36:13,645 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2020-07-17 11:36:13,645 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-17 11:36:13,645 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2020-07-17 11:36:13,645 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-17 11:36:13,645 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-17 11:36:13,646 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-17 11:36:13,646 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-17 11:36:13,646 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-17 11:36:13,646 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-17 11:36:13,646 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-07-17 11:36:13,646 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-17 11:36:13,646 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 807 815) no Hoare annotation was computed. [2020-07-17 11:36:13,646 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 807 815) the Hoare annotation is: true [2020-07-17 11:36:13,646 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 807 815) no Hoare annotation was computed. [2020-07-17 11:36:13,646 INFO L268 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2020-07-17 11:36:13,646 INFO L271 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: true [2020-07-17 11:36:13,647 INFO L268 CegarLoopResult]: For program point L880-2(lines 880 884) no Hoare annotation was computed. [2020-07-17 11:36:13,647 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-07-17 11:36:13,647 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 871 889) the Hoare annotation is: true [2020-07-17 11:36:13,647 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 871 889) no Hoare annotation was computed. [2020-07-17 11:36:13,647 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 871 889) no Hoare annotation was computed. [2020-07-17 11:36:13,647 INFO L268 CegarLoopResult]: For program point L835-2(lines 835 843) no Hoare annotation was computed. [2020-07-17 11:36:13,647 INFO L268 CegarLoopResult]: For program point L823(lines 823 831) no Hoare annotation was computed. [2020-07-17 11:36:13,647 INFO L268 CegarLoopResult]: For program point L823-2(lines 823 831) no Hoare annotation was computed. [2020-07-17 11:36:13,647 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 816 851) no Hoare annotation was computed. [2020-07-17 11:36:13,647 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-17 11:36:13,648 INFO L268 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-07-17 11:36:13,648 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 816 851) no Hoare annotation was computed. [2020-07-17 11:36:13,648 INFO L268 CegarLoopResult]: For program point L835(lines 835 843) no Hoare annotation was computed. [2020-07-17 11:36:13,648 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 816 851) no Hoare annotation was computed. [2020-07-17 11:36:13,648 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 559 565) no Hoare annotation was computed. [2020-07-17 11:36:13,648 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 559 565) the Hoare annotation is: true [2020-07-17 11:36:13,648 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:36:13,648 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:36:13,648 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:36:13,649 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-17 11:36:13,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:36:13,649 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:36:13,649 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:36:13,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:36:13,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:36:13,649 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:36:13,649 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2020-07-17 11:36:13,649 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2020-07-17 11:36:13,649 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-17 11:36:13,650 INFO L268 CegarLoopResult]: For program point L801-1(line 801) no Hoare annotation was computed. [2020-07-17 11:36:13,650 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 796 806) no Hoare annotation was computed. [2020-07-17 11:36:13,650 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 796 806) no Hoare annotation was computed. [2020-07-17 11:36:13,650 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 796 806) no Hoare annotation was computed. [2020-07-17 11:36:13,650 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 788 795) the Hoare annotation is: (or (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-17 11:36:13,650 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 788 795) no Hoare annotation was computed. [2020-07-17 11:36:13,650 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 788 795) no Hoare annotation was computed. [2020-07-17 11:36:13,650 INFO L268 CegarLoopResult]: For program point L671(lines 671 677) no Hoare annotation was computed. [2020-07-17 11:36:13,650 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 667 680) no Hoare annotation was computed. [2020-07-17 11:36:13,651 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 667 680) the Hoare annotation is: true [2020-07-17 11:36:13,651 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 667 680) no Hoare annotation was computed. [2020-07-17 11:36:13,651 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:36:13,651 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~6)) .cse1))) [2020-07-17 11:36:13,651 INFO L268 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-07-17 11:36:13,651 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2020-07-17 11:36:13,651 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-17 11:36:13,651 INFO L268 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2020-07-17 11:36:13,651 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2020-07-17 11:36:13,652 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-17 11:36:13,652 INFO L264 CegarLoopResult]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1) (or (= 0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2020-07-17 11:36:13,652 INFO L268 CegarLoopResult]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2020-07-17 11:36:13,652 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2020-07-17 11:36:13,652 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2020-07-17 11:36:13,652 INFO L268 CegarLoopResult]: For program point L929(lines 929 935) no Hoare annotation was computed. [2020-07-17 11:36:13,652 INFO L268 CegarLoopResult]: For program point L929-1(lines 929 935) no Hoare annotation was computed. [2020-07-17 11:36:13,652 INFO L264 CegarLoopResult]: At program point testENTRY(lines 899 964) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:36:13,653 INFO L264 CegarLoopResult]: At program point L954(lines 909 956) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:36:13,653 INFO L264 CegarLoopResult]: At program point L921(line 921) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-17 11:36:13,653 INFO L268 CegarLoopResult]: For program point L919(lines 919 925) no Hoare annotation was computed. [2020-07-17 11:36:13,653 INFO L268 CegarLoopResult]: For program point testFINAL(lines 899 964) no Hoare annotation was computed. [2020-07-17 11:36:13,653 INFO L268 CegarLoopResult]: For program point L919-1(lines 919 925) no Hoare annotation was computed. [2020-07-17 11:36:13,653 INFO L268 CegarLoopResult]: For program point L911(lines 911 915) no Hoare annotation was computed. [2020-07-17 11:36:13,653 INFO L264 CegarLoopResult]: At program point L957(lines 908 958) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:36:13,654 INFO L268 CegarLoopResult]: For program point L947(lines 947 951) no Hoare annotation was computed. [2020-07-17 11:36:13,654 INFO L264 CegarLoopResult]: At program point L947-2(lines 939 952) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:36:13,654 INFO L268 CegarLoopResult]: For program point L910(lines 909 956) no Hoare annotation was computed. [2020-07-17 11:36:13,654 INFO L264 CegarLoopResult]: At program point L941(line 941) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:36:13,654 INFO L268 CegarLoopResult]: For program point L939(lines 939 952) no Hoare annotation was computed. [2020-07-17 11:36:13,654 INFO L264 CegarLoopResult]: At program point L931(line 931) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:36:13,654 INFO L268 CegarLoopResult]: For program point testEXIT(lines 899 964) no Hoare annotation was computed. [2020-07-17 11:36:13,654 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:36:13,655 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:36:13,655 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:36:13,655 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-17 11:36:13,655 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:36:13,655 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:36:13,655 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 681 689) no Hoare annotation was computed. [2020-07-17 11:36:13,655 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 681 689) the Hoare annotation is: true [2020-07-17 11:36:13,655 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 681 689) no Hoare annotation was computed. [2020-07-17 11:36:13,655 INFO L268 CegarLoopResult]: For program point L643-2(lines 643 651) no Hoare annotation was computed. [2020-07-17 11:36:13,655 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 635 657) no Hoare annotation was computed. [2020-07-17 11:36:13,655 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 635 657) no Hoare annotation was computed. [2020-07-17 11:36:13,655 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 635 657) no Hoare annotation was computed. [2020-07-17 11:36:13,655 INFO L268 CegarLoopResult]: For program point L643(lines 643 651) no Hoare annotation was computed. [2020-07-17 11:36:13,656 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-17 11:36:13,656 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:36:13,656 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-17 11:36:13,656 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-17 11:36:13,656 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-17 11:36:13,656 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-17 11:36:13,656 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:36:13,656 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-17 11:36:13,656 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:36:13,656 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-17 11:36:13,657 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:36:13,657 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-17 11:36:13,657 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-17 11:36:13,657 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:36:13,657 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-17 11:36:13,657 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-17 11:36:13,657 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 549 558) no Hoare annotation was computed. [2020-07-17 11:36:13,657 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 549 558) no Hoare annotation was computed. [2020-07-17 11:36:13,657 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 549 558) no Hoare annotation was computed. [2020-07-17 11:36:13,657 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:36:13,658 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#t~string42.base)| |#t~string42.base|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(#t~string65.base)| |#t~string65.base|) (= |old(#t~string55.offset)| |#t~string55.offset|) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string61.base)| |#t~string61.base|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |old(#t~string44.offset)| |#t~string44.offset|) (= |old(#t~string22.offset)| |#t~string22.offset|) (= |#t~string53.base| |old(#t~string53.base)|) (= |old(#t~string46.base)| |#t~string46.base|) (= |old(#t~string18.offset)| |#t~string18.offset|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |old(#t~string48.base)| |#t~string48.base|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |old(#t~string29.offset)| |#t~string29.offset|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |old(#t~string32.offset)| |#t~string32.offset|) (= |old(#t~string20.offset)| |#t~string20.offset|) (= |old(#t~string20.base)| |#t~string20.base|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#t~string61.offset)| |#t~string61.offset|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |old(#t~string63.offset)| |#t~string63.offset|) (= |old(#t~string23.base)| |#t~string23.base|) (= |old(#t~string32.base)| |#t~string32.base|) (= |#t~string55.base| |old(#t~string55.base)|) (= |old(#t~string31.base)| |#t~string31.base|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#t~string28.base)| |#t~string28.base|) (= |#t~string59.base| |old(#t~string59.base)|) (= |old(#t~string29.base)| |#t~string29.base|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string57.base)| |#t~string57.base|) (= |old(#t~string46.offset)| |#t~string46.offset|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |old(#t~string40.base)| |#t~string40.base|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |old(#t~string44.base)| |#t~string44.base|) (= |old(#t~string31.offset)| |#t~string31.offset|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(#t~string53.offset)| |#t~string53.offset|)) [2020-07-17 11:36:13,658 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:36:13,658 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 780 787) no Hoare annotation was computed. [2020-07-17 11:36:13,658 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2020-07-17 11:36:13,658 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:36:13,658 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 658 666) the Hoare annotation is: true [2020-07-17 11:36:13,658 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 658 666) no Hoare annotation was computed. [2020-07-17 11:36:13,658 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 658 666) no Hoare annotation was computed. [2020-07-17 11:36:13,658 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 852 870) no Hoare annotation was computed. [2020-07-17 11:36:13,659 INFO L268 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-07-17 11:36:13,659 INFO L271 CegarLoopResult]: At program point L859(line 859) the Hoare annotation is: true [2020-07-17 11:36:13,659 INFO L268 CegarLoopResult]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2020-07-17 11:36:13,659 INFO L268 CegarLoopResult]: For program point L859-1(line 859) no Hoare annotation was computed. [2020-07-17 11:36:13,659 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 852 870) the Hoare annotation is: true [2020-07-17 11:36:13,659 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 852 870) no Hoare annotation was computed. [2020-07-17 11:36:13,659 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:36:13,659 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:36:13,659 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:36:13,659 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 614 625) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2020-07-17 11:36:13,659 INFO L268 CegarLoopResult]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2020-07-17 11:36:13,659 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 614 625) no Hoare annotation was computed. [2020-07-17 11:36:13,659 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2020-07-17 11:36:13,660 INFO L268 CegarLoopResult]: For program point L701(lines 700 719) no Hoare annotation was computed. [2020-07-17 11:36:13,660 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-17 11:36:13,660 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2020-07-17 11:36:13,660 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2020-07-17 11:36:13,660 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse0 .cse1) (let ((.cse2 (+ ~waterLevel~0 1))) (and .cse0 (<= |old(~waterLevel~0)| .cse2) (<= .cse2 |old(~waterLevel~0)|))) (not (<= 2 |old(~waterLevel~0)|)) .cse3)) (or (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse3))) [2020-07-17 11:36:13,660 INFO L264 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (let ((.cse4 (+ ~waterLevel~0 1))) (and .cse2 (<= |old(~waterLevel~0)| .cse4) .cse0 (<= .cse4 |old(~waterLevel~0)|))) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse3))) [2020-07-17 11:36:13,660 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-17 11:36:13,660 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2020-07-17 11:36:13,661 INFO L271 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2020-07-17 11:36:13,661 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2020-07-17 11:36:13,661 INFO L271 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: true [2020-07-17 11:36:13,661 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-07-17 11:36:13,661 INFO L271 CegarLoopResult]: At program point L462(lines 437 466) the Hoare annotation is: true [2020-07-17 11:36:13,661 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-17 11:36:13,661 INFO L268 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2020-07-17 11:36:13,661 INFO L271 CegarLoopResult]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2020-07-17 11:36:13,661 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 626 634) no Hoare annotation was computed. [2020-07-17 11:36:13,661 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 626 634) no Hoare annotation was computed. [2020-07-17 11:36:13,661 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 626 634) no Hoare annotation was computed. [2020-07-17 11:36:13,661 INFO L268 CegarLoopResult]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2020-07-17 11:36:13,661 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 590 601) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:36:13,662 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 590 601) no Hoare annotation was computed. [2020-07-17 11:36:13,662 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2020-07-17 11:36:13,662 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2020-07-17 11:36:13,662 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:36:13,662 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:36:13,662 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:36:13,662 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:36:13,662 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 890 897) no Hoare annotation was computed. [2020-07-17 11:36:13,662 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 890 897) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~systemActive~0)|)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) (= 1 ~systemActive~0)) (or (not (<= 1 ~waterLevel~0)) (= |old(~systemActive~0)| ~systemActive~0) .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-17 11:36:13,662 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 890 897) no Hoare annotation was computed. [2020-07-17 11:36:13,662 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-07-17 11:36:13,663 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:36:13,663 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:36:13,663 INFO L268 CegarLoopResult]: For program point L735-1(line 735) no Hoare annotation was computed. [2020-07-17 11:36:13,663 INFO L268 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2020-07-17 11:36:13,663 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2020-07-17 11:36:13,663 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:36:13,663 INFO L268 CegarLoopResult]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2020-07-17 11:36:13,663 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:36:13,663 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:36:13,663 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 602 613) no Hoare annotation was computed. [2020-07-17 11:36:13,663 INFO L268 CegarLoopResult]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2020-07-17 11:36:13,663 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 602 613) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-17 11:36:13,663 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2020-07-17 11:36:13,664 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2020-07-17 11:36:13,664 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2020-07-17 11:36:13,664 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2020-07-17 11:36:13,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:36:13 BoogieIcfgContainer [2020-07-17 11:36:13,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:36:13,680 INFO L168 Benchmark]: Toolchain (without parser) took 64925.07 ms. Allocated memory was 134.7 MB in the beginning and 1.0 GB in the end (delta: 889.7 MB). Free memory was 96.8 MB in the beginning and 583.2 MB in the end (delta: -486.4 MB). Peak memory consumption was 921.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:36:13,681 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 134.7 MB. Free memory was 116.6 MB in the beginning and 116.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:36:13,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.11 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 96.4 MB in the beginning and 166.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2020-07-17 11:36:13,682 INFO L168 Benchmark]: Boogie Preprocessor took 92.64 ms. Allocated memory is still 198.7 MB. Free memory was 166.5 MB in the beginning and 162.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:36:13,682 INFO L168 Benchmark]: RCFGBuilder took 1169.76 ms. Allocated memory was 198.7 MB in the beginning and 224.9 MB in the end (delta: 26.2 MB). Free memory was 162.2 MB in the beginning and 191.4 MB in the end (delta: -29.2 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:36:13,683 INFO L168 Benchmark]: TraceAbstraction took 63057.54 ms. Allocated memory was 224.9 MB in the beginning and 1.0 GB in the end (delta: 799.5 MB). Free memory was 189.9 MB in the beginning and 583.2 MB in the end (delta: -393.3 MB). Peak memory consumption was 924.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:36:13,685 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 134.7 MB. Free memory was 116.6 MB in the beginning and 116.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 600.11 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 96.4 MB in the beginning and 166.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.64 ms. Allocated memory is still 198.7 MB. Free memory was 166.5 MB in the beginning and 162.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1169.76 ms. Allocated memory was 198.7 MB in the beginning and 224.9 MB in the end (delta: 26.2 MB). Free memory was 162.2 MB in the beginning and 191.4 MB in the end (delta: -29.2 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 63057.54 ms. Allocated memory was 224.9 MB in the beginning and 1.0 GB in the end (delta: 799.5 MB). Free memory was 189.9 MB in the beginning and 583.2 MB in the end (delta: -393.3 MB). Peak memory consumption was 924.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || ((0 == splverifierCounter && 2 <= waterLevel) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 47.6s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 36.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1876 SDtfs, 3533 SDslu, 3826 SDs, 0 SdLazy, 10881 SolverSat, 2658 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1718 GetRequests, 1492 SyntacticMatches, 14 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1635 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1140occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 695 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 2103 PreInvPairs, 2159 NumberOfFragments, 1158 HoareAnnotationTreeSize, 2103 FomulaSimplifications, 1195477 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 60 FomulaSimplificationsInter, 42466 FormulaSimplificationTreeSizeReductionInter, 11.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 2405 NumberOfCodeBlocks, 2405 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2386 ConstructedInterpolants, 0 QuantifiedInterpolants, 805230 SizeOfPredicates, 23 NumberOfNonLiveVariables, 6254 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 638/730 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 correct! Received shutdown request...