/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_spec2_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:42:57,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:42:57,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:42:57,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:42:57,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:42:57,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:42:57,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:42:57,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:42:57,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:42:57,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:42:57,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:42:57,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:42:57,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:42:57,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:42:57,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:42:57,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:42:57,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:42:57,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:42:57,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:42:57,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:42:57,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:42:57,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:42:57,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:42:57,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:42:57,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:42:57,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:42:57,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:42:57,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:42:57,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:42:57,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:42:57,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:42:57,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:42:57,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:42:57,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:42:57,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:42:57,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:42:57,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:42:57,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:42:57,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:42:57,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:42:57,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:42:57,518 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 [2020-07-07 10:42:57,551 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:42:57,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:42:57,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:42:57,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:42:57,553 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:42:57,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:42:57,553 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:42:57,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:42:57,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:42:57,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:42:57,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:42:57,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:42:57,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:42:57,554 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:42:57,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:42:57,555 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:42:57,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:42:57,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:42:57,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:42:57,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:42:57,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:42:57,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:42:57,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:42:57,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:42:57,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:42:57,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:42:57,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:42:57,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:42:57,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:42:57,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:42:57,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:42:57,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:42:57,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:42:57,869 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:42:57,870 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:42:57,870 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-07-07 10:42:57,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dae8fff9/6b7de31cd5b04b359c05da8f614ec9c5/FLAGede9bb82a [2020-07-07 10:42:58,426 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:42:58,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-07-07 10:42:58,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dae8fff9/6b7de31cd5b04b359c05da8f614ec9c5/FLAGede9bb82a [2020-07-07 10:42:58,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dae8fff9/6b7de31cd5b04b359c05da8f614ec9c5 [2020-07-07 10:42:58,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:42:58,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:42:58,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:42:58,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:42:58,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:42:58,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:42:58" (1/1) ... [2020-07-07 10:42:58,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c984257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:58, skipping insertion in model container [2020-07-07 10:42:58,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:42:58" (1/1) ... [2020-07-07 10:42:58,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:42:58,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:42:59,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:42:59,412 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:42:59,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:42:59,527 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:42:59,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:59 WrapperNode [2020-07-07 10:42:59,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:42:59,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:42:59,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:42:59,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:42:59,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:59" (1/1) ... [2020-07-07 10:42:59,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:59" (1/1) ... [2020-07-07 10:42:59,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:59" (1/1) ... [2020-07-07 10:42:59,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:59" (1/1) ... [2020-07-07 10:42:59,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:59" (1/1) ... [2020-07-07 10:42:59,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:59" (1/1) ... [2020-07-07 10:42:59,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:59" (1/1) ... [2020-07-07 10:42:59,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:42:59,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:42:59,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:42:59,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:42:59,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:59" (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 [2020-07-07 10:42:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:42:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:42:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:42:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:42:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:42:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:42:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:42:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:42:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:42:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:42:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:42:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:42:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:42:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:42:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:42:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:42:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:42:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:42:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:42:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:42:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:42:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:42:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:42:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:42:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:42:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:42:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:42:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:42:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:42:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:42:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:42:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:42:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:42:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:42:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:42:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:42:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:42:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:42:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:42:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:42:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:42:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:42:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:42:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:42:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:42:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:42:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:42:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:42:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:42:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:42:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:42:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:42:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:42:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:42:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:42:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:42:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:42:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:42:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:42:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:42:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:42:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:42:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:42:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:42:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:42:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:42:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:42:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:42:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:42:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:42:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:42:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:42:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:42:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:42:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:42:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:42:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:42:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:42:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:42:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:42:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:42:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:42:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:42:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:42:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:42:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:42:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:42:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:42:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:42:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:42:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:42:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:42:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:42:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:42:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:42:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:42:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:42:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:42:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:42:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:42:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:42:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:43:00,799 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:43:00,800 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:43:00,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:43:00 BoogieIcfgContainer [2020-07-07 10:43:00,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:43:00,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:43:00,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:43:00,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:43:00,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:42:58" (1/3) ... [2020-07-07 10:43:00,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34213c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:43:00, skipping insertion in model container [2020-07-07 10:43:00,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:59" (2/3) ... [2020-07-07 10:43:00,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34213c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:43:00, skipping insertion in model container [2020-07-07 10:43:00,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:43:00" (3/3) ... [2020-07-07 10:43:00,819 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62.cil.c [2020-07-07 10:43:00,830 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:43:00,840 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:43:00,856 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:43:00,885 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:43:00,886 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:43:00,886 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:43:00,886 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:43:00,886 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:43:00,888 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:43:00,888 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:43:00,888 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:43:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-07-07 10:43:00,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:43:00,933 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:00,935 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] [2020-07-07 10:43:00,935 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:00,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:00,942 INFO L82 PathProgramCache]: Analyzing trace with hash -519940638, now seen corresponding path program 1 times [2020-07-07 10:43:00,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:00,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649457311] [2020-07-07 10:43:00,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,656 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:01,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649457311] [2020-07-07 10:43:01,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:01,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:43:01,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342592066] [2020-07-07 10:43:01,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:43:01,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:01,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:43:01,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:43:01,790 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 4 states. [2020-07-07 10:43:03,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:03,155 INFO L93 Difference]: Finished difference Result 354 states and 460 transitions. [2020-07-07 10:43:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:43:03,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-07 10:43:03,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:03,173 INFO L225 Difference]: With dead ends: 354 [2020-07-07 10:43:03,173 INFO L226 Difference]: Without dead ends: 196 [2020-07-07 10:43:03,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:43:03,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-07 10:43:03,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 159. [2020-07-07 10:43:03,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-07 10:43:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2020-07-07 10:43:03,278 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 51 [2020-07-07 10:43:03,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:03,279 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2020-07-07 10:43:03,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:43:03,279 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2020-07-07 10:43:03,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:43:03,283 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:03,283 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] [2020-07-07 10:43:03,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:43:03,284 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:03,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:03,284 INFO L82 PathProgramCache]: Analyzing trace with hash -183354494, now seen corresponding path program 1 times [2020-07-07 10:43:03,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:03,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118672795] [2020-07-07 10:43:03,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:03,611 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:03,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118672795] [2020-07-07 10:43:03,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:03,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:43:03,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640484550] [2020-07-07 10:43:03,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:43:03,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:03,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:43:03,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:43:03,676 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 5 states. [2020-07-07 10:43:04,159 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:43:05,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:05,200 INFO L93 Difference]: Finished difference Result 295 states and 367 transitions. [2020-07-07 10:43:05,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:43:05,201 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-07 10:43:05,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:05,206 INFO L225 Difference]: With dead ends: 295 [2020-07-07 10:43:05,207 INFO L226 Difference]: Without dead ends: 186 [2020-07-07 10:43:05,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:43:05,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-07 10:43:05,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 150. [2020-07-07 10:43:05,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-07 10:43:05,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2020-07-07 10:43:05,277 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 52 [2020-07-07 10:43:05,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:05,278 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2020-07-07 10:43:05,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:43:05,279 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2020-07-07 10:43:05,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:43:05,287 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:05,288 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] [2020-07-07 10:43:05,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:43:05,288 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:05,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:05,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1707012514, now seen corresponding path program 1 times [2020-07-07 10:43:05,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:05,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872124375] [2020-07-07 10:43:05,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:05,682 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:05,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:05,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872124375] [2020-07-07 10:43:05,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:05,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:43:05,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856092114] [2020-07-07 10:43:05,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:43:05,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:05,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:43:05,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:43:05,774 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 9 states. [2020-07-07 10:43:06,237 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:43:06,542 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:43:06,802 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:43:07,030 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:43:08,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:08,514 INFO L93 Difference]: Finished difference Result 308 states and 386 transitions. [2020-07-07 10:43:08,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:43:08,515 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-07 10:43:08,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:08,518 INFO L225 Difference]: With dead ends: 308 [2020-07-07 10:43:08,519 INFO L226 Difference]: Without dead ends: 186 [2020-07-07 10:43:08,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:43:08,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-07 10:43:08,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 150. [2020-07-07 10:43:08,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-07 10:43:08,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2020-07-07 10:43:08,564 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 57 [2020-07-07 10:43:08,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:08,564 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2020-07-07 10:43:08,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:43:08,564 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2020-07-07 10:43:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-07 10:43:08,566 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:08,566 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] [2020-07-07 10:43:08,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:43:08,567 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:08,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:08,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1819519357, now seen corresponding path program 1 times [2020-07-07 10:43:08,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:08,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006313934] [2020-07-07 10:43:08,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:08,865 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:09,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:09,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006313934] [2020-07-07 10:43:09,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:09,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:43:09,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742296051] [2020-07-07 10:43:09,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:43:09,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:09,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:43:09,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:43:09,003 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 7 states. [2020-07-07 10:43:09,338 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:43:10,596 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:43:11,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:11,563 INFO L93 Difference]: Finished difference Result 418 states and 526 transitions. [2020-07-07 10:43:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:43:11,564 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2020-07-07 10:43:11,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:11,568 INFO L225 Difference]: With dead ends: 418 [2020-07-07 10:43:11,568 INFO L226 Difference]: Without dead ends: 296 [2020-07-07 10:43:11,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:43:11,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-07-07 10:43:11,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 247. [2020-07-07 10:43:11,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-07-07 10:43:11,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 282 transitions. [2020-07-07 10:43:11,621 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 282 transitions. Word has length 75 [2020-07-07 10:43:11,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:11,622 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 282 transitions. [2020-07-07 10:43:11,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:43:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 282 transitions. [2020-07-07 10:43:11,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:43:11,623 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:11,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:43:11,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:43:11,624 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:11,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:11,625 INFO L82 PathProgramCache]: Analyzing trace with hash 948942276, now seen corresponding path program 1 times [2020-07-07 10:43:11,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:11,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792607444] [2020-07-07 10:43:11,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:11,905 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:12,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:12,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792607444] [2020-07-07 10:43:12,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:12,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:43:12,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81926915] [2020-07-07 10:43:12,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:43:12,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:12,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:43:12,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:43:12,058 INFO L87 Difference]: Start difference. First operand 247 states and 282 transitions. Second operand 9 states. [2020-07-07 10:43:12,439 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:43:13,567 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:43:13,885 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:43:14,498 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:43:14,719 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:43:16,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:16,099 INFO L93 Difference]: Finished difference Result 737 states and 912 transitions. [2020-07-07 10:43:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-07 10:43:16,100 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-07-07 10:43:16,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:16,105 INFO L225 Difference]: With dead ends: 737 [2020-07-07 10:43:16,105 INFO L226 Difference]: Without dead ends: 518 [2020-07-07 10:43:16,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:43:16,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-07-07 10:43:16,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 442. [2020-07-07 10:43:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-07-07 10:43:16,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 504 transitions. [2020-07-07 10:43:16,228 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 504 transitions. Word has length 89 [2020-07-07 10:43:16,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:16,230 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 504 transitions. [2020-07-07 10:43:16,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:43:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 504 transitions. [2020-07-07 10:43:16,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:43:16,236 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:16,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:43:16,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:43:16,238 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:16,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:16,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1944159016, now seen corresponding path program 1 times [2020-07-07 10:43:16,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:16,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84289660] [2020-07-07 10:43:16,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,617 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:16,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84289660] [2020-07-07 10:43:16,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:16,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:43:16,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430900519] [2020-07-07 10:43:16,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:43:16,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:16,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:43:16,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:43:16,801 INFO L87 Difference]: Start difference. First operand 442 states and 504 transitions. Second operand 10 states. [2020-07-07 10:43:17,255 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:43:18,464 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:43:19,631 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:43:19,872 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:43:20,127 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:43:20,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:20,594 INFO L93 Difference]: Finished difference Result 970 states and 1183 transitions. [2020-07-07 10:43:20,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 10:43:20,595 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2020-07-07 10:43:20,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:20,599 INFO L225 Difference]: With dead ends: 970 [2020-07-07 10:43:20,599 INFO L226 Difference]: Without dead ends: 556 [2020-07-07 10:43:20,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:43:20,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2020-07-07 10:43:20,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 441. [2020-07-07 10:43:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-07-07 10:43:20,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 501 transitions. [2020-07-07 10:43:20,694 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 501 transitions. Word has length 93 [2020-07-07 10:43:20,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:20,694 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 501 transitions. [2020-07-07 10:43:20,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:43:20,695 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 501 transitions. [2020-07-07 10:43:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-07 10:43:20,696 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:20,697 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:43:20,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:43:20,697 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:20,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:20,698 INFO L82 PathProgramCache]: Analyzing trace with hash -412136482, now seen corresponding path program 1 times [2020-07-07 10:43:20,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:20,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810534844] [2020-07-07 10:43:20,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:20,935 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:21,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:43:21,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810534844] [2020-07-07 10:43:21,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:21,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:43:21,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681941534] [2020-07-07 10:43:21,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:43:21,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:21,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:43:21,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:43:21,121 INFO L87 Difference]: Start difference. First operand 441 states and 501 transitions. Second operand 10 states. [2020-07-07 10:43:22,322 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:43:22,558 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:43:22,802 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:43:23,040 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:43:24,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:24,383 INFO L93 Difference]: Finished difference Result 977 states and 1216 transitions. [2020-07-07 10:43:24,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:43:24,386 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2020-07-07 10:43:24,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:24,393 INFO L225 Difference]: With dead ends: 977 [2020-07-07 10:43:24,393 INFO L226 Difference]: Without dead ends: 564 [2020-07-07 10:43:24,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:43:24,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-07-07 10:43:24,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 451. [2020-07-07 10:43:24,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-07-07 10:43:24,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 511 transitions. [2020-07-07 10:43:24,519 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 511 transitions. Word has length 109 [2020-07-07 10:43:24,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:24,520 INFO L479 AbstractCegarLoop]: Abstraction has 451 states and 511 transitions. [2020-07-07 10:43:24,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:43:24,520 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 511 transitions. [2020-07-07 10:43:24,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-07 10:43:24,523 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:24,523 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:43:24,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:43:24,524 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:24,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:24,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1527025564, now seen corresponding path program 1 times [2020-07-07 10:43:24,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:24,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720733927] [2020-07-07 10:43:24,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,809 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:43:24,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720733927] [2020-07-07 10:43:24,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:24,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:43:24,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622783750] [2020-07-07 10:43:24,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:43:24,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:24,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:43:24,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:43:24,963 INFO L87 Difference]: Start difference. First operand 451 states and 511 transitions. Second operand 12 states. [2020-07-07 10:43:25,639 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:43:25,871 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:43:26,093 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:43:26,797 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:43:27,038 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:43:27,265 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:43:28,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:28,855 INFO L93 Difference]: Finished difference Result 997 states and 1238 transitions. [2020-07-07 10:43:28,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:43:28,856 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 109 [2020-07-07 10:43:28,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:28,862 INFO L225 Difference]: With dead ends: 997 [2020-07-07 10:43:28,862 INFO L226 Difference]: Without dead ends: 574 [2020-07-07 10:43:28,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:43:28,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2020-07-07 10:43:28,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 459. [2020-07-07 10:43:28,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-07-07 10:43:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 519 transitions. [2020-07-07 10:43:28,953 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 519 transitions. Word has length 109 [2020-07-07 10:43:28,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:28,954 INFO L479 AbstractCegarLoop]: Abstraction has 459 states and 519 transitions. [2020-07-07 10:43:28,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:43:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 519 transitions. [2020-07-07 10:43:28,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-07 10:43:28,962 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:28,962 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:43:28,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:43:28,963 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:28,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:28,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1998771717, now seen corresponding path program 1 times [2020-07-07 10:43:28,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:28,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933411390] [2020-07-07 10:43:28,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,265 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:29,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:43:29,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933411390] [2020-07-07 10:43:29,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:29,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:43:29,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442393471] [2020-07-07 10:43:29,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:43:29,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:29,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:43:29,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:43:29,446 INFO L87 Difference]: Start difference. First operand 459 states and 519 transitions. Second operand 8 states. [2020-07-07 10:43:29,872 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:43:30,434 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:43:33,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:33,206 INFO L93 Difference]: Finished difference Result 1365 states and 1751 transitions. [2020-07-07 10:43:33,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 10:43:33,206 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2020-07-07 10:43:33,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:33,214 INFO L225 Difference]: With dead ends: 1365 [2020-07-07 10:43:33,215 INFO L226 Difference]: Without dead ends: 934 [2020-07-07 10:43:33,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:43:33,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2020-07-07 10:43:33,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 789. [2020-07-07 10:43:33,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-07-07 10:43:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 921 transitions. [2020-07-07 10:43:33,345 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 921 transitions. Word has length 109 [2020-07-07 10:43:33,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:33,345 INFO L479 AbstractCegarLoop]: Abstraction has 789 states and 921 transitions. [2020-07-07 10:43:33,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:43:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 921 transitions. [2020-07-07 10:43:33,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-07 10:43:33,348 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:33,348 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:43:33,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:43:33,348 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:33,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:33,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1262789055, now seen corresponding path program 1 times [2020-07-07 10:43:33,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:33,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376821603] [2020-07-07 10:43:33,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,644 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:43:34,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376821603] [2020-07-07 10:43:34,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917494334] [2020-07-07 10:43:34,202 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 [2020-07-07 10:43:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,497 INFO L264 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:43:34,523 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:43:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:34,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:43:34,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-07 10:43:34,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830130495] [2020-07-07 10:43:34,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:43:34,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:34,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:43:34,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:43:34,830 INFO L87 Difference]: Start difference. First operand 789 states and 921 transitions. Second operand 8 states. [2020-07-07 10:43:35,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:35,521 INFO L93 Difference]: Finished difference Result 1513 states and 1777 transitions. [2020-07-07 10:43:35,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:43:35,521 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2020-07-07 10:43:35,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:35,526 INFO L225 Difference]: With dead ends: 1513 [2020-07-07 10:43:35,526 INFO L226 Difference]: Without dead ends: 752 [2020-07-07 10:43:35,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 139 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:43:35,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-07-07 10:43:35,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2020-07-07 10:43:35,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-07-07 10:43:35,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 862 transitions. [2020-07-07 10:43:35,697 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 862 transitions. Word has length 113 [2020-07-07 10:43:35,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:35,698 INFO L479 AbstractCegarLoop]: Abstraction has 752 states and 862 transitions. [2020-07-07 10:43:35,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:43:35,698 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 862 transitions. [2020-07-07 10:43:35,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-07 10:43:35,702 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:35,703 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:43:35,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:43:35,917 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:35,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:35,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1271659967, now seen corresponding path program 1 times [2020-07-07 10:43:35,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:35,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152310447] [2020-07-07 10:43:35,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,306 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,626 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-07 10:43:36,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152310447] [2020-07-07 10:43:36,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621485458] [2020-07-07 10:43:36,627 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 [2020-07-07 10:43:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,856 INFO L264 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:43:36,877 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:43:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-07 10:43:37,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:43:37,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-07 10:43:37,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933092241] [2020-07-07 10:43:37,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:43:37,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:37,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:43:37,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:43:37,061 INFO L87 Difference]: Start difference. First operand 752 states and 862 transitions. Second operand 8 states. [2020-07-07 10:43:37,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:37,454 INFO L93 Difference]: Finished difference Result 1262 states and 1468 transitions. [2020-07-07 10:43:37,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:43:37,455 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 183 [2020-07-07 10:43:37,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:37,456 INFO L225 Difference]: With dead ends: 1262 [2020-07-07 10:43:37,456 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:43:37,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:43:37,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:43:37,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:43:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:43:37,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:43:37,460 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2020-07-07 10:43:37,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:37,461 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:43:37,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:43:37,461 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:43:37,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:43:37,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:43:37,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:43:38,823 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 10:43:39,682 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 10:43:40,664 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 262 [2020-07-07 10:43:41,639 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 253 [2020-07-07 10:43:42,628 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 261 [2020-07-07 10:43:44,581 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-07-07 10:43:45,691 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 183 DAG size of output: 27 [2020-07-07 10:43:45,866 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:43:46,040 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-07 10:43:46,250 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-07-07 10:43:46,431 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-07 10:43:47,534 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 183 DAG size of output: 27 [2020-07-07 10:43:47,776 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-07-07 10:43:47,950 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-07 10:43:48,633 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-07 10:43:48,855 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-07-07 10:43:49,417 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 27 [2020-07-07 10:43:49,951 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-07-07 10:43:51,380 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 212 DAG size of output: 24 [2020-07-07 10:43:52,351 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 26 [2020-07-07 10:43:52,925 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 23 [2020-07-07 10:43:53,428 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 15 [2020-07-07 10:43:53,640 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:53,840 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-07-07 10:43:54,041 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-07 10:43:55,264 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 200 DAG size of output: 27 [2020-07-07 10:43:55,436 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-07 10:43:55,941 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2020-07-07 10:43:56,106 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-07 10:43:56,606 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 18 [2020-07-07 10:43:56,815 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 19 [2020-07-07 10:43:57,340 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:43:57,846 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-07-07 10:43:58,051 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-07-07 10:43:58,224 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-07 10:43:58,882 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-07-07 10:43:59,534 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-07-07 10:44:00,064 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-07-07 10:44:01,447 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 211 DAG size of output: 24 [2020-07-07 10:44:01,942 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 22 [2020-07-07 10:44:02,123 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-07 10:44:02,293 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:44:02,478 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-07 10:44:03,058 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-07 10:44:03,229 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-07-07 10:44:03,416 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2020-07-07 10:44:03,587 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-07 10:44:03,772 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-07-07 10:44:04,300 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-07 10:44:04,820 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-07 10:44:04,978 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-07 10:44:06,095 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 166 DAG size of output: 34 [2020-07-07 10:44:06,451 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 19 [2020-07-07 10:44:06,941 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 17 [2020-07-07 10:44:07,462 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:44:07,666 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-07 10:44:07,864 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-07 10:44:08,550 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-07 10:44:09,148 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-07 10:44:09,154 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-07 10:44:09,154 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-07 10:44:09,154 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-07 10:44:09,154 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-07 10:44:09,154 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:44:09,155 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-07 10:44:09,155 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:44:09,155 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:44:09,155 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-07 10:44:09,155 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-07 10:44:09,155 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:44:09,155 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-07 10:44:09,156 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-07 10:44:09,156 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-07 10:44:09,156 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:44:09,156 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-07 10:44:09,156 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:44:09,156 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-07 10:44:09,157 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 688 694) the Hoare annotation is: true [2020-07-07 10:44:09,157 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 688 694) no Hoare annotation was computed. [2020-07-07 10:44:09,157 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 695 703) no Hoare annotation was computed. [2020-07-07 10:44:09,157 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 695 703) the Hoare annotation is: true [2020-07-07 10:44:09,157 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 695 703) no Hoare annotation was computed. [2020-07-07 10:44:09,157 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-07 10:44:09,158 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-07 10:44:09,158 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:44:09,158 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:44:09,158 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-07 10:44:09,158 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-07 10:44:09,158 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-07 10:44:09,158 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-07 10:44:09,159 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-07 10:44:09,159 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-07 10:44:09,159 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-07 10:44:09,159 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-07 10:44:09,159 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-07 10:44:09,159 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-07 10:44:09,160 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-07 10:44:09,160 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-07 10:44:09,160 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-07 10:44:09,160 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-07 10:44:09,160 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-07 10:44:09,160 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-07 10:44:09,160 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-07 10:44:09,160 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-07 10:44:09,161 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-07 10:44:09,161 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-07 10:44:09,161 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-07 10:44:09,161 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-07 10:44:09,161 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-07 10:44:09,161 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-07 10:44:09,161 INFO L264 CegarLoopResult]: At program point L855(line 855) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-07 10:44:09,162 INFO L268 CegarLoopResult]: For program point L855-1(lines 836 860) no Hoare annotation was computed. [2020-07-07 10:44:09,162 INFO L264 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-07 10:44:09,162 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 836 860) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-07 10:44:09,162 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-07 10:44:09,162 INFO L268 CegarLoopResult]: For program point L844(lines 844 852) no Hoare annotation was computed. [2020-07-07 10:44:09,163 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 836 860) no Hoare annotation was computed. [2020-07-07 10:44:09,163 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-07 10:44:09,163 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-07-07 10:44:09,163 INFO L268 CegarLoopResult]: For program point L840(lines 840 857) no Hoare annotation was computed. [2020-07-07 10:44:09,163 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 931 939) no Hoare annotation was computed. [2020-07-07 10:44:09,163 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 931 939) the Hoare annotation is: true [2020-07-07 10:44:09,164 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 931 939) no Hoare annotation was computed. [2020-07-07 10:44:09,164 INFO L268 CegarLoopResult]: For program point L1004(lines 1004 1008) no Hoare annotation was computed. [2020-07-07 10:44:09,164 INFO L271 CegarLoopResult]: At program point L1002(line 1002) the Hoare annotation is: true [2020-07-07 10:44:09,164 INFO L268 CegarLoopResult]: For program point L1004-2(lines 1004 1008) no Hoare annotation was computed. [2020-07-07 10:44:09,164 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 995 1013) the Hoare annotation is: true [2020-07-07 10:44:09,164 INFO L268 CegarLoopResult]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2020-07-07 10:44:09,164 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 995 1013) no Hoare annotation was computed. [2020-07-07 10:44:09,164 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 995 1013) no Hoare annotation was computed. [2020-07-07 10:44:09,165 INFO L268 CegarLoopResult]: For program point L959(lines 959 967) no Hoare annotation was computed. [2020-07-07 10:44:09,165 INFO L268 CegarLoopResult]: For program point L959-2(lines 959 967) no Hoare annotation was computed. [2020-07-07 10:44:09,165 INFO L268 CegarLoopResult]: For program point L947(lines 947 955) no Hoare annotation was computed. [2020-07-07 10:44:09,165 INFO L268 CegarLoopResult]: For program point L947-2(lines 947 955) no Hoare annotation was computed. [2020-07-07 10:44:09,165 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 940 975) no Hoare annotation was computed. [2020-07-07 10:44:09,165 INFO L268 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-07-07 10:44:09,165 INFO L268 CegarLoopResult]: For program point L970-1(line 970) no Hoare annotation was computed. [2020-07-07 10:44:09,165 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 940 975) no Hoare annotation was computed. [2020-07-07 10:44:09,166 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 940 975) no Hoare annotation was computed. [2020-07-07 10:44:09,166 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 681 687) no Hoare annotation was computed. [2020-07-07 10:44:09,166 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 681 687) the Hoare annotation is: true [2020-07-07 10:44:09,166 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:44:09,166 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:44:09,166 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:44:09,166 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-07 10:44:09,166 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:44:09,166 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-07 10:44:09,167 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-07 10:44:09,167 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:44:09,167 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:44:09,167 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-07 10:44:09,171 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:44:09,171 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-07 10:44:09,171 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-07 10:44:09,171 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 920 930) the Hoare annotation is: true [2020-07-07 10:44:09,171 INFO L271 CegarLoopResult]: At program point L925(line 925) the Hoare annotation is: true [2020-07-07 10:44:09,171 INFO L268 CegarLoopResult]: For program point L925-1(line 925) no Hoare annotation was computed. [2020-07-07 10:44:09,172 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 920 930) no Hoare annotation was computed. [2020-07-07 10:44:09,172 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 920 930) no Hoare annotation was computed. [2020-07-07 10:44:09,172 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 912 919) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-07 10:44:09,172 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 912 919) no Hoare annotation was computed. [2020-07-07 10:44:09,172 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 912 919) no Hoare annotation was computed. [2020-07-07 10:44:09,172 INFO L268 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2020-07-07 10:44:09,172 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2020-07-07 10:44:09,172 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2020-07-07 10:44:09,173 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2020-07-07 10:44:09,173 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 862 886) no Hoare annotation was computed. [2020-07-07 10:44:09,173 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 862 886) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-07 10:44:09,173 INFO L264 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-07 10:44:09,173 INFO L268 CegarLoopResult]: For program point L881-1(lines 862 886) no Hoare annotation was computed. [2020-07-07 10:44:09,173 INFO L264 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-07-07 10:44:09,173 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 (and .cse0 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8)) .cse2) (or .cse4 .cse1 .cse2))) [2020-07-07 10:44:09,174 INFO L268 CegarLoopResult]: For program point L870(lines 870 878) no Hoare annotation was computed. [2020-07-07 10:44:09,174 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-07 10:44:09,174 INFO L268 CegarLoopResult]: For program point L868-1(line 868) no Hoare annotation was computed. [2020-07-07 10:44:09,174 INFO L268 CegarLoopResult]: For program point L866(lines 866 883) no Hoare annotation was computed. [2020-07-07 10:44:09,174 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2020-07-07 10:44:09,174 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2020-07-07 10:44:09,174 INFO L264 CegarLoopResult]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-07-07 10:44:09,174 INFO L264 CegarLoopResult]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:44:09,175 INFO L268 CegarLoopResult]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2020-07-07 10:44:09,175 INFO L268 CegarLoopResult]: For program point L754(lines 754 758) no Hoare annotation was computed. [2020-07-07 10:44:09,175 INFO L264 CegarLoopResult]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-07 10:44:09,175 INFO L268 CegarLoopResult]: For program point L717(lines 716 763) no Hoare annotation was computed. [2020-07-07 10:44:09,175 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-07 10:44:09,175 INFO L268 CegarLoopResult]: For program point L746(lines 746 759) no Hoare annotation was computed. [2020-07-07 10:44:09,175 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-07 10:44:09,176 INFO L268 CegarLoopResult]: For program point L736(lines 736 742) no Hoare annotation was computed. [2020-07-07 10:44:09,176 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2020-07-07 10:44:09,176 INFO L264 CegarLoopResult]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-07 10:44:09,176 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-07 10:44:09,176 INFO L268 CegarLoopResult]: For program point L726(lines 726 732) no Hoare annotation was computed. [2020-07-07 10:44:09,176 INFO L268 CegarLoopResult]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2020-07-07 10:44:09,176 INFO L268 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-07-07 10:44:09,176 INFO L268 CegarLoopResult]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2020-07-07 10:44:09,177 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:44:09,177 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:44:09,177 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:44:09,177 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-07 10:44:09,177 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-07 10:44:09,177 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-07 10:44:09,177 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 887 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:44:09,177 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 887 894) no Hoare annotation was computed. [2020-07-07 10:44:09,177 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 887 894) no Hoare annotation was computed. [2020-07-07 10:44:09,178 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 660 668) no Hoare annotation was computed. [2020-07-07 10:44:09,178 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 660 668) the Hoare annotation is: true [2020-07-07 10:44:09,178 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 660 668) no Hoare annotation was computed. [2020-07-07 10:44:09,178 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-07-07 10:44:09,178 INFO L268 CegarLoopResult]: For program point L544(lines 544 554) no Hoare annotation was computed. [2020-07-07 10:44:09,178 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse0) (or (not (= 0 ~methaneLevelCritical~0)) .cse0))) [2020-07-07 10:44:09,178 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-07-07 10:44:09,178 INFO L268 CegarLoopResult]: For program point L540(lines 540 557) no Hoare annotation was computed. [2020-07-07 10:44:09,179 INFO L268 CegarLoopResult]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2020-07-07 10:44:09,179 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-07-07 10:44:09,179 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-07-07 10:44:09,179 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-07-07 10:44:09,179 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2020-07-07 10:44:09,179 INFO L264 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-07 10:44:09,179 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:44:09,179 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2020-07-07 10:44:09,180 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2020-07-07 10:44:09,180 INFO L268 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-07-07 10:44:09,180 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-07-07 10:44:09,180 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 614 636) no Hoare annotation was computed. [2020-07-07 10:44:09,181 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 614 636) no Hoare annotation was computed. [2020-07-07 10:44:09,181 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 614 636) no Hoare annotation was computed. [2020-07-07 10:44:09,181 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-07 10:44:09,181 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:44:09,182 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-07 10:44:09,182 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-07 10:44:09,182 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-07 10:44:09,182 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-07 10:44:09,182 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:44:09,182 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-07 10:44:09,182 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-07 10:44:09,182 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-07 10:44:09,182 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:44:09,182 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-07 10:44:09,183 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-07 10:44:09,183 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-07 10:44:09,183 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-07 10:44:09,183 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-07 10:44:09,184 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 671 680) no Hoare annotation was computed. [2020-07-07 10:44:09,185 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 671 680) no Hoare annotation was computed. [2020-07-07 10:44:09,185 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 671 680) no Hoare annotation was computed. [2020-07-07 10:44:09,185 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:44:09,185 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:44:09,185 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:44:09,185 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 895 911) no Hoare annotation was computed. [2020-07-07 10:44:09,186 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-07 10:44:09,186 INFO L268 CegarLoopResult]: For program point L906-1(lines 895 911) no Hoare annotation was computed. [2020-07-07 10:44:09,186 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 895 911) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-07 10:44:09,186 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-07-07 10:44:09,186 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-07 10:44:09,186 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-07-07 10:44:09,186 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 637 645) no Hoare annotation was computed. [2020-07-07 10:44:09,186 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 637 645) no Hoare annotation was computed. [2020-07-07 10:44:09,187 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 637 645) no Hoare annotation was computed. [2020-07-07 10:44:09,187 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 976 994) no Hoare annotation was computed. [2020-07-07 10:44:09,187 INFO L268 CegarLoopResult]: For program point L985(lines 985 989) no Hoare annotation was computed. [2020-07-07 10:44:09,187 INFO L271 CegarLoopResult]: At program point L983(line 983) the Hoare annotation is: true [2020-07-07 10:44:09,187 INFO L268 CegarLoopResult]: For program point L985-2(lines 985 989) no Hoare annotation was computed. [2020-07-07 10:44:09,187 INFO L268 CegarLoopResult]: For program point L983-1(line 983) no Hoare annotation was computed. [2020-07-07 10:44:09,187 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 976 994) the Hoare annotation is: true [2020-07-07 10:44:09,187 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 976 994) no Hoare annotation was computed. [2020-07-07 10:44:09,187 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:44:09,188 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:44:09,188 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:44:09,189 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~methaneLevelCritical~0)| 0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse1))) [2020-07-07 10:44:09,190 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2020-07-07 10:44:09,190 INFO L268 CegarLoopResult]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2020-07-07 10:44:09,190 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (and .cse3 (not (= 0 |old(~pumpRunning~0)|)) .cse4)) (.cse1 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2)))) [2020-07-07 10:44:09,190 INFO L264 CegarLoopResult]: At program point L789(lines 789 795) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (and .cse7 .cse5 .cse6)) (.cse1 (and .cse3 .cse7 .cse6)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse6) .cse0 .cse1 (and (<= 2 ~waterLevel~0) .cse6) .cse4 .cse2)))) [2020-07-07 10:44:09,190 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) (and .cse3 .cse1 .cse4 .cse5) .cse2) (or .cse0 (and .cse3 .cse4 .cse5) .cse2))) [2020-07-07 10:44:09,191 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 778 801) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-07 10:44:09,191 INFO L268 CegarLoopResult]: For program point L782(lines 781 800) no Hoare annotation was computed. [2020-07-07 10:44:09,191 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 778 801) no Hoare annotation was computed. [2020-07-07 10:44:09,191 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 778 801) no Hoare annotation was computed. [2020-07-07 10:44:09,191 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-07 10:44:09,191 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-07 10:44:09,191 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-07 10:44:09,191 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-07 10:44:09,191 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-07 10:44:09,192 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-07 10:44:09,192 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-07 10:44:09,192 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-07 10:44:09,192 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-07 10:44:09,192 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-07 10:44:09,192 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2020-07-07 10:44:09,192 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2020-07-07 10:44:09,192 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2020-07-07 10:44:09,192 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-07 10:44:09,193 INFO L268 CegarLoopResult]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2020-07-07 10:44:09,193 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2020-07-07 10:44:09,193 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-07 10:44:09,193 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-07 10:44:09,193 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:44:09,193 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:44:09,193 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:44:09,193 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:44:09,193 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 1014 1021) no Hoare annotation was computed. [2020-07-07 10:44:09,194 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 1014 1021) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-07 10:44:09,194 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 1014 1021) no Hoare annotation was computed. [2020-07-07 10:44:09,194 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 810 834) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-07 10:44:09,194 INFO L264 CegarLoopResult]: At program point L829(line 829) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-07 10:44:09,194 INFO L268 CegarLoopResult]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2020-07-07 10:44:09,194 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 810 834) no Hoare annotation was computed. [2020-07-07 10:44:09,194 INFO L264 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not .cse1) .cse2) (or .cse1 .cse3 .cse2) (or .cse0 .cse3 .cse2))) [2020-07-07 10:44:09,195 INFO L264 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3) .cse2))) [2020-07-07 10:44:09,195 INFO L268 CegarLoopResult]: For program point L818(lines 818 826) no Hoare annotation was computed. [2020-07-07 10:44:09,195 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-07 10:44:09,195 INFO L268 CegarLoopResult]: For program point L816-1(line 816) no Hoare annotation was computed. [2020-07-07 10:44:09,195 INFO L268 CegarLoopResult]: For program point L814(lines 814 831) no Hoare annotation was computed. [2020-07-07 10:44:09,195 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2020-07-07 10:44:09,198 INFO L268 CegarLoopResult]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2020-07-07 10:44:09,198 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-07 10:44:09,198 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2020-07-07 10:44:09,199 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2020-07-07 10:44:09,199 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2020-07-07 10:44:09,199 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2020-07-07 10:44:09,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:44:09 BoogieIcfgContainer [2020-07-07 10:44:09,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:44:09,224 INFO L168 Benchmark]: Toolchain (without parser) took 70418.40 ms. Allocated memory was 139.5 MB in the beginning and 863.5 MB in the end (delta: 724.0 MB). Free memory was 103.6 MB in the beginning and 501.3 MB in the end (delta: -397.7 MB). Peak memory consumption was 737.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:44:09,225 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:44:09,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.23 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 103.3 MB in the beginning and 171.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:44:09,226 INFO L168 Benchmark]: Boogie Preprocessor took 95.25 ms. Allocated memory is still 205.5 MB. Free memory was 171.7 MB in the beginning and 167.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:44:09,227 INFO L168 Benchmark]: RCFGBuilder took 1183.63 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 167.0 MB in the beginning and 187.5 MB in the end (delta: -20.5 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:44:09,227 INFO L168 Benchmark]: TraceAbstraction took 68411.94 ms. Allocated memory was 234.9 MB in the beginning and 863.5 MB in the end (delta: 628.6 MB). Free memory was 186.1 MB in the beginning and 501.3 MB in the end (delta: -315.1 MB). Peak memory consumption was 725.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:44:09,230 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.23 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 103.3 MB in the beginning and 171.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.25 ms. Allocated memory is still 205.5 MB. Free memory was 171.7 MB in the beginning and 167.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1183.63 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 167.0 MB in the beginning and 187.5 MB in the end (delta: -20.5 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 68411.94 ms. Allocated memory was 234.9 MB in the beginning and 863.5 MB in the end (delta: 628.6 MB). Free memory was 186.1 MB in the beginning and 501.3 MB in the end (delta: -315.1 MB). Peak memory consumption was 725.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == systemActive)) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 261 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.7s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 28.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 31.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1898 SDtfs, 2573 SDslu, 3021 SDs, 0 SdLazy, 7333 SolverSat, 1687 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 837 GetRequests, 651 SyntacticMatches, 9 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=789occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 722 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1892 PreInvPairs, 1985 NumberOfFragments, 2009 HoareAnnotationTreeSize, 1892 FomulaSimplifications, 107735254 FormulaSimplificationTreeSizeReduction, 5.9s HoareSimplificationTime, 72 FomulaSimplificationsInter, 4270826 FormulaSimplificationTreeSizeReductionInter, 25.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1336 NumberOfCodeBlocks, 1336 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1323 ConstructedInterpolants, 0 QuantifiedInterpolants, 449973 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1825 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 116/121 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...