/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:06:59,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:06:59,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:06:59,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:06:59,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:06:59,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:06:59,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:06:59,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:06:59,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:06:59,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:06:59,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:06:59,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:06:59,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:06:59,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:06:59,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:06:59,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:06:59,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:06:59,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:06:59,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:06:59,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:06:59,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:06:59,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:06:59,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:06:59,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:06:59,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:06:59,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:06:59,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:06:59,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:06:59,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:06:59,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:06:59,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:06:59,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:06:59,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:06:59,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:06:59,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:06:59,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:06:59,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:06:59,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:06:59,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:06:59,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:06:59,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:06:59,577 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 [2020-07-19 21:06:59,591 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:06:59,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:06:59,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:06:59,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:06:59,593 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:06:59,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:06:59,594 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:06:59,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:06:59,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:06:59,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:06:59,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:06:59,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:06:59,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:06:59,595 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:06:59,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:06:59,595 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:06:59,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:06:59,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:06:59,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:06:59,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:06:59,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:06:59,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:06:59,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:06:59,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:06:59,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:06:59,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:06:59,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:06:59,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:06:59,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:06:59,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:06:59,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:06:59,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:06:59,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:06:59,911 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:06:59,911 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:06:59,912 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-07-19 21:06:59,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1ddc509b/45ef2fba823a48ddb745976c8c11fd00/FLAGa15bf8dd6 [2020-07-19 21:07:00,535 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:07:00,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-07-19 21:07:00,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1ddc509b/45ef2fba823a48ddb745976c8c11fd00/FLAGa15bf8dd6 [2020-07-19 21:07:00,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1ddc509b/45ef2fba823a48ddb745976c8c11fd00 [2020-07-19 21:07:00,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:07:00,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:07:00,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:07:00,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:07:00,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:07:00,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:07:00" (1/1) ... [2020-07-19 21:07:00,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5064f96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:00, skipping insertion in model container [2020-07-19 21:07:00,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:07:00" (1/1) ... [2020-07-19 21:07:00,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:07:00,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:07:01,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:07:01,441 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:07:01,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:07:01,581 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:07:01,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:01 WrapperNode [2020-07-19 21:07:01,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:07:01,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:07:01,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:07:01,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:07:01,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:01" (1/1) ... [2020-07-19 21:07:01,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:01" (1/1) ... [2020-07-19 21:07:01,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:01" (1/1) ... [2020-07-19 21:07:01,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:01" (1/1) ... [2020-07-19 21:07:01,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:01" (1/1) ... [2020-07-19 21:07:01,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:01" (1/1) ... [2020-07-19 21:07:01,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:01" (1/1) ... [2020-07-19 21:07:01,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:07:01,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:07:01,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:07:01,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:07:01,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:01" (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 [2020-07-19 21:07:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:07:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:07:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:07:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:07:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:07:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:07:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:07:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:07:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:07:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:07:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:07:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:07:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:07:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:07:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:07:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:07:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:07:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:07:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:07:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:07:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:07:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:07:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:07:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:07:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 21:07:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 21:07:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:07:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:07:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:07:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:07:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:07:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:07:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:07:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:07:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:07:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:07:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 21:07:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 21:07:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 21:07:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 21:07:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:07:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:07:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:07:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:07:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:07:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:07:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:07:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:07:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:07:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:07:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:07:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:07:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:07:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:07:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:07:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:07:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:07:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:07:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:07:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:07:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:07:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:07:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:07:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:07:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:07:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:07:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:07:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:07:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:07:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:07:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:07:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:07:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:07:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:07:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:07:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:07:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:07:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:07:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:07:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:07:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:07:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:07:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:07:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:07:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:07:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:07:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 21:07:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 21:07:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 21:07:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 21:07:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:07:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:07:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:07:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:07:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 21:07:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:07:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 21:07:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:07:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:07:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:07:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:07:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:07:02,847 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:07:02,847 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:07:02,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:07:02 BoogieIcfgContainer [2020-07-19 21:07:02,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:07:02,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:07:02,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:07:02,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:07:02,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:07:00" (1/3) ... [2020-07-19 21:07:02,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e9bc56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:07:02, skipping insertion in model container [2020-07-19 21:07:02,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:07:01" (2/3) ... [2020-07-19 21:07:02,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e9bc56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:07:02, skipping insertion in model container [2020-07-19 21:07:02,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:07:02" (3/3) ... [2020-07-19 21:07:02,860 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2020-07-19 21:07:02,871 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:07:02,878 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:07:02,892 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:07:02,917 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:07:02,918 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:07:02,918 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:07:02,918 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:07:02,918 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:07:02,919 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:07:02,919 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:07:02,919 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:07:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-07-19 21:07:02,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 21:07:02,960 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:02,961 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] [2020-07-19 21:07:02,961 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:02,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:02,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1089631799, now seen corresponding path program 1 times [2020-07-19 21:07:02,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:02,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454367656] [2020-07-19 21:07:02,977 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68e8e353 [2020-07-19 21:07:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:03,632 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:03,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:03,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454367656] [2020-07-19 21:07:03,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:03,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:07:03,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248626336] [2020-07-19 21:07:03,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:07:03,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:03,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:07:03,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:07:03,821 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 4 states. [2020-07-19 21:07:05,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:05,026 INFO L93 Difference]: Finished difference Result 328 states and 422 transitions. [2020-07-19 21:07:05,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 21:07:05,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 21:07:05,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:05,044 INFO L225 Difference]: With dead ends: 328 [2020-07-19 21:07:05,044 INFO L226 Difference]: Without dead ends: 181 [2020-07-19 21:07:05,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:07:05,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-07-19 21:07:05,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 148. [2020-07-19 21:07:05,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-19 21:07:05,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2020-07-19 21:07:05,141 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 59 [2020-07-19 21:07:05,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:05,142 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2020-07-19 21:07:05,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:07:05,142 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2020-07-19 21:07:05,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 21:07:05,147 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:05,147 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] [2020-07-19 21:07:05,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:07:05,148 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:05,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:05,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1975382983, now seen corresponding path program 1 times [2020-07-19 21:07:05,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:05,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293930467] [2020-07-19 21:07:05,149 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68e8e353 [2020-07-19 21:07:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,553 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:05,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:05,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293930467] [2020-07-19 21:07:05,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:05,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 21:07:05,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739822517] [2020-07-19 21:07:05,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:07:05,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:05,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:07:05,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:07:05,629 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand 5 states. [2020-07-19 21:07:06,097 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:06,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:06,919 INFO L93 Difference]: Finished difference Result 263 states and 322 transitions. [2020-07-19 21:07:06,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:07:06,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 21:07:06,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:06,925 INFO L225 Difference]: With dead ends: 263 [2020-07-19 21:07:06,925 INFO L226 Difference]: Without dead ends: 171 [2020-07-19 21:07:06,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:07:06,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-07-19 21:07:06,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 139. [2020-07-19 21:07:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-19 21:07:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 162 transitions. [2020-07-19 21:07:06,968 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 162 transitions. Word has length 60 [2020-07-19 21:07:06,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:06,969 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 162 transitions. [2020-07-19 21:07:06,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:07:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 162 transitions. [2020-07-19 21:07:06,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 21:07:06,972 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:06,972 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] [2020-07-19 21:07:06,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:07:06,972 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:06,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:06,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1007889166, now seen corresponding path program 1 times [2020-07-19 21:07:06,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:06,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589455945] [2020-07-19 21:07:06,974 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68e8e353 [2020-07-19 21:07:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:07,319 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:07,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:07,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589455945] [2020-07-19 21:07:07,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:07,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:07:07,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396767584] [2020-07-19 21:07:07,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:07:07,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:07,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:07:07,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:07:07,401 INFO L87 Difference]: Start difference. First operand 139 states and 162 transitions. Second operand 9 states. [2020-07-19 21:07:07,787 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:08,138 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:08,372 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:08,615 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:09,518 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:11,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:11,369 INFO L93 Difference]: Finished difference Result 466 states and 577 transitions. [2020-07-19 21:07:11,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 21:07:11,370 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-19 21:07:11,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:11,377 INFO L225 Difference]: With dead ends: 466 [2020-07-19 21:07:11,377 INFO L226 Difference]: Without dead ends: 355 [2020-07-19 21:07:11,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-19 21:07:11,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-07-19 21:07:11,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 294. [2020-07-19 21:07:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-19 21:07:11,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 356 transitions. [2020-07-19 21:07:11,507 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 356 transitions. Word has length 65 [2020-07-19 21:07:11,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:11,508 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 356 transitions. [2020-07-19 21:07:11,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:07:11,508 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 356 transitions. [2020-07-19 21:07:11,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-19 21:07:11,511 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:11,511 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] [2020-07-19 21:07:11,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:07:11,511 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:11,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:11,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1025318737, now seen corresponding path program 1 times [2020-07-19 21:07:11,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:11,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085238059] [2020-07-19 21:07:11,512 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68e8e353 [2020-07-19 21:07:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:11,817 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:11,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:07:11,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085238059] [2020-07-19 21:07:11,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:11,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:07:11,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817812961] [2020-07-19 21:07:11,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:07:11,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:11,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:07:11,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:07:11,932 INFO L87 Difference]: Start difference. First operand 294 states and 356 transitions. Second operand 9 states. [2020-07-19 21:07:12,311 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:13,049 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:13,852 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:14,190 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:14,458 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:14,707 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:15,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:15,501 INFO L93 Difference]: Finished difference Result 755 states and 986 transitions. [2020-07-19 21:07:15,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:07:15,502 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-19 21:07:15,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:15,508 INFO L225 Difference]: With dead ends: 755 [2020-07-19 21:07:15,508 INFO L226 Difference]: Without dead ends: 489 [2020-07-19 21:07:15,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 21:07:15,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2020-07-19 21:07:15,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 421. [2020-07-19 21:07:15,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-19 21:07:15,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 507 transitions. [2020-07-19 21:07:15,640 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 507 transitions. Word has length 70 [2020-07-19 21:07:15,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:15,641 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 507 transitions. [2020-07-19 21:07:15,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:07:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 507 transitions. [2020-07-19 21:07:15,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-19 21:07:15,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:15,644 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] [2020-07-19 21:07:15,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:07:15,644 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:15,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:15,645 INFO L82 PathProgramCache]: Analyzing trace with hash -2085443903, now seen corresponding path program 1 times [2020-07-19 21:07:15,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:15,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719426604] [2020-07-19 21:07:15,645 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68e8e353 [2020-07-19 21:07:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,913 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:16,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:16,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719426604] [2020-07-19 21:07:16,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:16,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:07:16,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418828135] [2020-07-19 21:07:16,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:07:16,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:16,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:07:16,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:07:16,117 INFO L87 Difference]: Start difference. First operand 421 states and 507 transitions. Second operand 9 states. [2020-07-19 21:07:17,196 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:17,454 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:17,711 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:17,939 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:18,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:18,723 INFO L93 Difference]: Finished difference Result 903 states and 1149 transitions. [2020-07-19 21:07:18,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:07:18,724 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-19 21:07:18,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:18,728 INFO L225 Difference]: With dead ends: 903 [2020-07-19 21:07:18,729 INFO L226 Difference]: Without dead ends: 510 [2020-07-19 21:07:18,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:07:18,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-07-19 21:07:18,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 434. [2020-07-19 21:07:18,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-07-19 21:07:18,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 521 transitions. [2020-07-19 21:07:18,850 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 521 transitions. Word has length 93 [2020-07-19 21:07:18,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:18,850 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 521 transitions. [2020-07-19 21:07:18,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:07:18,851 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 521 transitions. [2020-07-19 21:07:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-19 21:07:18,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:18,853 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] [2020-07-19 21:07:18,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:07:18,853 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:18,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:18,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1383844029, now seen corresponding path program 1 times [2020-07-19 21:07:18,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:18,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407810142] [2020-07-19 21:07:18,855 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68e8e353 [2020-07-19 21:07:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,139 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:19,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:19,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407810142] [2020-07-19 21:07:19,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:19,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 21:07:19,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850538679] [2020-07-19 21:07:19,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:07:19,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:19,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:07:19,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:07:19,262 INFO L87 Difference]: Start difference. First operand 434 states and 521 transitions. Second operand 11 states. [2020-07-19 21:07:19,736 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:19,965 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:20,185 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:20,983 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:21,244 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:21,483 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:22,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:22,425 INFO L93 Difference]: Finished difference Result 930 states and 1198 transitions. [2020-07-19 21:07:22,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:07:22,426 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 93 [2020-07-19 21:07:22,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:22,430 INFO L225 Difference]: With dead ends: 930 [2020-07-19 21:07:22,431 INFO L226 Difference]: Without dead ends: 524 [2020-07-19 21:07:22,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:07:22,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-07-19 21:07:22,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 442. [2020-07-19 21:07:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-07-19 21:07:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 529 transitions. [2020-07-19 21:07:22,512 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 529 transitions. Word has length 93 [2020-07-19 21:07:22,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:22,513 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 529 transitions. [2020-07-19 21:07:22,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:07:22,513 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 529 transitions. [2020-07-19 21:07:22,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-19 21:07:22,515 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:22,515 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] [2020-07-19 21:07:22,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 21:07:22,516 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:22,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:22,516 INFO L82 PathProgramCache]: Analyzing trace with hash 341636868, now seen corresponding path program 1 times [2020-07-19 21:07:22,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:22,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213566563] [2020-07-19 21:07:22,517 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68e8e353 [2020-07-19 21:07:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,773 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:22,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:22,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213566563] [2020-07-19 21:07:22,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:22,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:07:22,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853383092] [2020-07-19 21:07:22,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:07:22,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:22,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:07:22,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:07:22,891 INFO L87 Difference]: Start difference. First operand 442 states and 529 transitions. Second operand 7 states. [2020-07-19 21:07:23,182 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:24,168 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:26,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:26,230 INFO L93 Difference]: Finished difference Result 1611 states and 2171 transitions. [2020-07-19 21:07:26,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:07:26,231 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-07-19 21:07:26,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:26,240 INFO L225 Difference]: With dead ends: 1611 [2020-07-19 21:07:26,240 INFO L226 Difference]: Without dead ends: 1197 [2020-07-19 21:07:26,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-07-19 21:07:26,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2020-07-19 21:07:26,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1050. [2020-07-19 21:07:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1050 states. [2020-07-19 21:07:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1310 transitions. [2020-07-19 21:07:26,456 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1310 transitions. Word has length 93 [2020-07-19 21:07:26,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:26,457 INFO L479 AbstractCegarLoop]: Abstraction has 1050 states and 1310 transitions. [2020-07-19 21:07:26,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:07:26,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1310 transitions. [2020-07-19 21:07:26,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-19 21:07:26,460 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:26,461 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] [2020-07-19 21:07:26,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 21:07:26,461 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:26,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:26,462 INFO L82 PathProgramCache]: Analyzing trace with hash -643321942, now seen corresponding path program 1 times [2020-07-19 21:07:26,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:26,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381206763] [2020-07-19 21:07:26,463 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68e8e353 [2020-07-19 21:07:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,799 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:07:26,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381206763] [2020-07-19 21:07:26,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:07:26,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 21:07:26,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433176041] [2020-07-19 21:07:26,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:07:26,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:26,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:07:26,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:07:26,931 INFO L87 Difference]: Start difference. First operand 1050 states and 1310 transitions. Second operand 12 states. [2020-07-19 21:07:27,471 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:28,608 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:28,886 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:29,144 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:30,038 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:30,348 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:30,600 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:32,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:32,082 INFO L93 Difference]: Finished difference Result 2282 states and 3001 transitions. [2020-07-19 21:07:32,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-19 21:07:32,083 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-07-19 21:07:32,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:32,093 INFO L225 Difference]: With dead ends: 2282 [2020-07-19 21:07:32,093 INFO L226 Difference]: Without dead ends: 1260 [2020-07-19 21:07:32,099 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2020-07-19 21:07:32,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2020-07-19 21:07:32,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1067. [2020-07-19 21:07:32,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2020-07-19 21:07:32,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1335 transitions. [2020-07-19 21:07:32,367 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1335 transitions. Word has length 97 [2020-07-19 21:07:32,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:32,368 INFO L479 AbstractCegarLoop]: Abstraction has 1067 states and 1335 transitions. [2020-07-19 21:07:32,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:07:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1335 transitions. [2020-07-19 21:07:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-19 21:07:32,375 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:32,375 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:07:32,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 21:07:32,376 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:32,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:32,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1477147143, now seen corresponding path program 1 times [2020-07-19 21:07:32,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:32,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174038485] [2020-07-19 21:07:32,377 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68e8e353 [2020-07-19 21:07:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,688 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:32,950 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-19 21:07:32,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174038485] [2020-07-19 21:07:32,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070120279] [2020-07-19 21:07:32,951 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68e8e353 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 [2020-07-19 21:07:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:33,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:07:33,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:07:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:07:33,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:07:33,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 21:07:33,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405815284] [2020-07-19 21:07:33,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 21:07:33,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:33,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 21:07:33,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:07:33,424 INFO L87 Difference]: Start difference. First operand 1067 states and 1335 transitions. Second operand 20 states. [2020-07-19 21:07:34,269 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:34,732 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:07:35,000 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:07:35,249 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:07:36,029 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:36,336 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:36,702 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:37,016 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:38,214 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:39,214 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 21:07:39,736 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 21:07:40,071 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:40,681 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:41,105 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:41,733 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 21:07:42,604 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:43,122 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 21:07:43,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:43,763 INFO L93 Difference]: Finished difference Result 2524 states and 3271 transitions. [2020-07-19 21:07:43,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-07-19 21:07:43,764 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 159 [2020-07-19 21:07:43,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:43,767 INFO L225 Difference]: With dead ends: 2524 [2020-07-19 21:07:43,767 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:07:43,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 713 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=605, Invalid=2365, Unknown=0, NotChecked=0, Total=2970 [2020-07-19 21:07:43,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:07:43,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:07:43,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:07:43,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:07:43,780 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2020-07-19 21:07:43,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:43,781 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:07:43,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 21:07:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:07:43,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:07:43,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 21:07:43,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:07:45,437 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 247 [2020-07-19 21:07:46,483 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 253 [2020-07-19 21:07:48,900 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 224 [2020-07-19 21:07:50,353 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 294 [2020-07-19 21:07:50,798 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 247 [2020-07-19 21:07:51,454 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 271 [2020-07-19 21:07:52,796 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 22 [2020-07-19 21:07:53,316 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 43 [2020-07-19 21:07:53,489 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-19 21:07:54,013 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 29 [2020-07-19 21:07:54,204 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-07-19 21:07:54,912 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 31 [2020-07-19 21:07:55,064 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-07-19 21:07:55,679 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 23 [2020-07-19 21:07:56,519 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 33 [2020-07-19 21:07:56,899 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-07-19 21:07:57,057 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-19 21:07:57,913 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2020-07-19 21:07:58,079 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-19 21:07:58,296 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:58,482 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 21:07:58,671 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 21:07:59,507 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 36 [2020-07-19 21:07:59,673 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-19 21:07:59,852 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 1 [2020-07-19 21:08:00,555 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 28 [2020-07-19 21:08:00,804 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 31 [2020-07-19 21:08:00,970 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-19 21:08:01,324 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 13 [2020-07-19 21:08:01,606 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-07-19 21:08:02,008 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-07-19 21:08:02,173 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-19 21:08:03,064 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 27 [2020-07-19 21:08:03,296 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 16 [2020-07-19 21:08:04,054 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 26 [2020-07-19 21:08:04,231 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-19 21:08:04,746 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 22 [2020-07-19 21:08:06,241 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 239 DAG size of output: 30 [2020-07-19 21:08:06,654 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 39 [2020-07-19 21:08:07,183 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 22 [2020-07-19 21:08:07,595 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-07-19 21:08:07,774 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 21:08:08,256 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 29 [2020-07-19 21:08:08,658 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-07-19 21:08:08,846 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 21:08:09,014 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2020-07-19 21:08:09,189 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-19 21:08:09,380 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 21:08:10,291 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2020-07-19 21:08:10,701 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-07-19 21:08:11,762 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 209 DAG size of output: 29 [2020-07-19 21:08:12,261 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-07-19 21:08:12,439 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-19 21:08:12,642 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-19 21:08:13,584 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 32 [2020-07-19 21:08:13,993 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-07-19 21:08:14,186 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-19 21:08:14,190 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-19 21:08:14,191 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-19 21:08:14,191 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 21:08:14,191 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-19 21:08:14,191 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-19 21:08:14,191 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-19 21:08:14,191 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-19 21:08:14,192 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-19 21:08:14,192 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 21:08:14,192 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-19 21:08:14,192 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-19 21:08:14,192 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-19 21:08:14,192 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-19 21:08:14,192 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 21:08:14,192 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-19 21:08:14,193 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-19 21:08:14,193 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-19 21:08:14,193 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-19 21:08:14,193 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2020-07-19 21:08:14,193 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2020-07-19 21:08:14,193 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2020-07-19 21:08:14,194 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2020-07-19 21:08:14,194 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2020-07-19 21:08:14,194 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:14,194 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2020-07-19 21:08:14,195 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2020-07-19 21:08:14,195 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 532 541) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (not (= 0 ~pumpRunning~0))) (or (not (= 2 ~waterLevel~0)) .cse1 .cse0 .cse2) (or .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse2))) [2020-07-19 21:08:14,195 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 532 541) no Hoare annotation was computed. [2020-07-19 21:08:14,195 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-19 21:08:14,195 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 532 541) no Hoare annotation was computed. [2020-07-19 21:08:14,195 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 542 570) the Hoare annotation is: true [2020-07-19 21:08:14,196 INFO L264 CegarLoopResult]: At program point L557(line 557) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-19 21:08:14,196 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 542 570) no Hoare annotation was computed. [2020-07-19 21:08:14,196 INFO L268 CegarLoopResult]: For program point L555(lines 555 561) no Hoare annotation was computed. [2020-07-19 21:08:14,196 INFO L268 CegarLoopResult]: For program point L554(lines 554 564) no Hoare annotation was computed. [2020-07-19 21:08:14,196 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0)))) (and (or .cse0 (= 0 ~systemActive~0) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-19 21:08:14,196 INFO L268 CegarLoopResult]: For program point L552-1(line 552) no Hoare annotation was computed. [2020-07-19 21:08:14,197 INFO L268 CegarLoopResult]: For program point L550(lines 550 567) no Hoare annotation was computed. [2020-07-19 21:08:14,197 INFO L268 CegarLoopResult]: For program point L550-1(lines 542 570) no Hoare annotation was computed. [2020-07-19 21:08:14,197 INFO L271 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: true [2020-07-19 21:08:14,197 INFO L268 CegarLoopResult]: For program point L548-1(line 548) no Hoare annotation was computed. [2020-07-19 21:08:14,197 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:08:14,197 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-19 21:08:14,198 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:08:14,198 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~3) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:08:14,198 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-19 21:08:14,198 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-19 21:08:14,198 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 21:08:14,198 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:08:14,199 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:08:14,199 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:08:14,199 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-19 21:08:14,199 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-19 21:08:14,199 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 21:08:14,199 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-19 21:08:14,199 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-19 21:08:14,199 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-19 21:08:14,200 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-19 21:08:14,200 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-19 21:08:14,200 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-19 21:08:14,200 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-19 21:08:14,200 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 21:08:14,200 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-19 21:08:14,200 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-19 21:08:14,200 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 21:08:14,201 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-19 21:08:14,201 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-19 21:08:14,201 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-19 21:08:14,201 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-19 21:08:14,201 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 952 966) no Hoare annotation was computed. [2020-07-19 21:08:14,201 INFO L264 CegarLoopResult]: At program point L958(line 958) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-19 21:08:14,201 INFO L268 CegarLoopResult]: For program point L956(lines 956 962) no Hoare annotation was computed. [2020-07-19 21:08:14,202 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 952 966) the Hoare annotation is: (let ((.cse7 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (and .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 |old(~systemActive~0)|)) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse7 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse5 .cse3 .cse6) (or .cse4 .cse5 .cse6)))) [2020-07-19 21:08:14,202 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 952 966) no Hoare annotation was computed. [2020-07-19 21:08:14,202 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 869 877) no Hoare annotation was computed. [2020-07-19 21:08:14,202 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 869 877) the Hoare annotation is: true [2020-07-19 21:08:14,202 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 869 877) no Hoare annotation was computed. [2020-07-19 21:08:14,202 INFO L268 CegarLoopResult]: For program point L942(lines 942 946) no Hoare annotation was computed. [2020-07-19 21:08:14,202 INFO L271 CegarLoopResult]: At program point L940(line 940) the Hoare annotation is: true [2020-07-19 21:08:14,203 INFO L268 CegarLoopResult]: For program point L942-2(lines 942 946) no Hoare annotation was computed. [2020-07-19 21:08:14,203 INFO L268 CegarLoopResult]: For program point L940-1(line 940) no Hoare annotation was computed. [2020-07-19 21:08:14,203 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 933 951) the Hoare annotation is: true [2020-07-19 21:08:14,203 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 933 951) no Hoare annotation was computed. [2020-07-19 21:08:14,203 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 933 951) no Hoare annotation was computed. [2020-07-19 21:08:14,203 INFO L268 CegarLoopResult]: For program point L897(lines 897 905) no Hoare annotation was computed. [2020-07-19 21:08:14,203 INFO L268 CegarLoopResult]: For program point L897-2(lines 897 905) no Hoare annotation was computed. [2020-07-19 21:08:14,203 INFO L268 CegarLoopResult]: For program point L885(lines 885 893) no Hoare annotation was computed. [2020-07-19 21:08:14,204 INFO L268 CegarLoopResult]: For program point L885-2(lines 885 893) no Hoare annotation was computed. [2020-07-19 21:08:14,204 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 878 913) no Hoare annotation was computed. [2020-07-19 21:08:14,204 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-07-19 21:08:14,204 INFO L268 CegarLoopResult]: For program point L908-1(line 908) no Hoare annotation was computed. [2020-07-19 21:08:14,204 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 878 913) no Hoare annotation was computed. [2020-07-19 21:08:14,204 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 878 913) no Hoare annotation was computed. [2020-07-19 21:08:14,204 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2020-07-19 21:08:14,204 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2020-07-19 21:08:14,205 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-19 21:08:14,205 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-19 21:08:14,205 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-19 21:08:14,205 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-19 21:08:14,205 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-19 21:08:14,205 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-19 21:08:14,205 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-19 21:08:14,205 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-19 21:08:14,205 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-19 21:08:14,206 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:08:14,206 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:08:14,206 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-19 21:08:14,206 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-19 21:08:14,206 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 858 868) no Hoare annotation was computed. [2020-07-19 21:08:14,206 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-19 21:08:14,206 INFO L268 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2020-07-19 21:08:14,207 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 858 868) no Hoare annotation was computed. [2020-07-19 21:08:14,207 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 858 868) no Hoare annotation was computed. [2020-07-19 21:08:14,207 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 850 857) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-19 21:08:14,207 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 850 857) no Hoare annotation was computed. [2020-07-19 21:08:14,207 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 850 857) no Hoare annotation was computed. [2020-07-19 21:08:14,207 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 656 669) no Hoare annotation was computed. [2020-07-19 21:08:14,207 INFO L268 CegarLoopResult]: For program point L660(lines 660 666) no Hoare annotation was computed. [2020-07-19 21:08:14,207 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 656 669) the Hoare annotation is: true [2020-07-19 21:08:14,208 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 656 669) no Hoare annotation was computed. [2020-07-19 21:08:14,208 INFO L264 CegarLoopResult]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 21:08:14,208 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 21:08:14,208 INFO L268 CegarLoopResult]: For program point L825(lines 825 833) no Hoare annotation was computed. [2020-07-19 21:08:14,208 INFO L264 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 21:08:14,208 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 817 841) no Hoare annotation was computed. [2020-07-19 21:08:14,208 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-07-19 21:08:14,209 INFO L268 CegarLoopResult]: For program point L821(lines 821 838) no Hoare annotation was computed. [2020-07-19 21:08:14,209 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 817 841) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-19 21:08:14,209 INFO L264 CegarLoopResult]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-19 21:08:14,209 INFO L268 CegarLoopResult]: For program point L836-1(lines 817 841) no Hoare annotation was computed. [2020-07-19 21:08:14,209 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 783 789) no Hoare annotation was computed. [2020-07-19 21:08:14,209 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 783 789) the Hoare annotation is: true [2020-07-19 21:08:14,210 INFO L264 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)))) [2020-07-19 21:08:14,210 INFO L264 CegarLoopResult]: At program point testENTRY(lines 682 749) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:08:14,210 INFO L268 CegarLoopResult]: For program point L702(lines 702 708) no Hoare annotation was computed. [2020-07-19 21:08:14,210 INFO L268 CegarLoopResult]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2020-07-19 21:08:14,210 INFO L268 CegarLoopResult]: For program point testFINAL(lines 682 749) no Hoare annotation was computed. [2020-07-19 21:08:14,210 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-07-19 21:08:14,210 INFO L264 CegarLoopResult]: At program point L742(lines 691 743) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|))) [2020-07-19 21:08:14,211 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse2) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 (<= ~waterLevel~0 1)))) [2020-07-19 21:08:14,211 INFO L268 CegarLoopResult]: For program point L730(lines 730 736) no Hoare annotation was computed. [2020-07-19 21:08:14,211 INFO L264 CegarLoopResult]: At program point L730-1(lines 722 737) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)))) [2020-07-19 21:08:14,211 INFO L268 CegarLoopResult]: For program point L693(lines 692 741) no Hoare annotation was computed. [2020-07-19 21:08:14,211 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2))) [2020-07-19 21:08:14,211 INFO L268 CegarLoopResult]: For program point L722(lines 722 737) no Hoare annotation was computed. [2020-07-19 21:08:14,212 INFO L264 CegarLoopResult]: At program point L714(line 714) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)))) [2020-07-19 21:08:14,212 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-07-19 21:08:14,212 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2020-07-19 21:08:14,212 INFO L264 CegarLoopResult]: At program point L739(lines 692 741) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)))) [2020-07-19 21:08:14,212 INFO L268 CegarLoopResult]: For program point testEXIT(lines 682 749) no Hoare annotation was computed. [2020-07-19 21:08:14,212 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-19 21:08:14,212 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-19 21:08:14,213 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-19 21:08:14,213 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-19 21:08:14,213 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-19 21:08:14,213 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-19 21:08:14,213 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 670 678) no Hoare annotation was computed. [2020-07-19 21:08:14,213 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 670 678) the Hoare annotation is: true [2020-07-19 21:08:14,213 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 670 678) no Hoare annotation was computed. [2020-07-19 21:08:14,213 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 624 646) no Hoare annotation was computed. [2020-07-19 21:08:14,213 INFO L268 CegarLoopResult]: For program point L632(lines 632 640) no Hoare annotation was computed. [2020-07-19 21:08:14,214 INFO L268 CegarLoopResult]: For program point L632-2(lines 632 640) no Hoare annotation was computed. [2020-07-19 21:08:14,214 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 624 646) no Hoare annotation was computed. [2020-07-19 21:08:14,214 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 624 646) no Hoare annotation was computed. [2020-07-19 21:08:14,214 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-19 21:08:14,214 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-19 21:08:14,214 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-19 21:08:14,214 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-19 21:08:14,214 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-19 21:08:14,215 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-19 21:08:14,215 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-19 21:08:14,215 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-19 21:08:14,215 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-19 21:08:14,215 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-19 21:08:14,215 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-19 21:08:14,215 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-19 21:08:14,215 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-19 21:08:14,215 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-19 21:08:14,216 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-19 21:08:14,216 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-19 21:08:14,216 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2020-07-19 21:08:14,216 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2020-07-19 21:08:14,216 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2020-07-19 21:08:14,216 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:08:14,216 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)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#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)|) (= |#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~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.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~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~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~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)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 21:08:14,217 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:08:14,217 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 842 849) no Hoare annotation was computed. [2020-07-19 21:08:14,217 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 842 849) no Hoare annotation was computed. [2020-07-19 21:08:14,217 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 842 849) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-19 21:08:14,217 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 647 655) the Hoare annotation is: true [2020-07-19 21:08:14,217 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 647 655) no Hoare annotation was computed. [2020-07-19 21:08:14,217 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 647 655) no Hoare annotation was computed. [2020-07-19 21:08:14,217 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2020-07-19 21:08:14,218 INFO L268 CegarLoopResult]: For program point L923(lines 923 927) no Hoare annotation was computed. [2020-07-19 21:08:14,218 INFO L271 CegarLoopResult]: At program point L921(line 921) the Hoare annotation is: true [2020-07-19 21:08:14,218 INFO L268 CegarLoopResult]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2020-07-19 21:08:14,218 INFO L268 CegarLoopResult]: For program point L921-1(line 921) no Hoare annotation was computed. [2020-07-19 21:08:14,218 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2020-07-19 21:08:14,218 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2020-07-19 21:08:14,218 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:08:14,218 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:08:14,218 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:08:14,219 INFO L268 CegarLoopResult]: For program point L607-1(lines 603 614) no Hoare annotation was computed. [2020-07-19 21:08:14,219 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 603 614) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 ~pumpRunning~0))))) [2020-07-19 21:08:14,219 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 603 614) no Hoare annotation was computed. [2020-07-19 21:08:14,219 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 2))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-07-19 21:08:14,219 INFO L268 CegarLoopResult]: For program point L763(lines 759 781) no Hoare annotation was computed. [2020-07-19 21:08:14,219 INFO L268 CegarLoopResult]: For program point L761(lines 759 781) no Hoare annotation was computed. [2020-07-19 21:08:14,220 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 756 782) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 .cse2 .cse3) .cse4) (or (and (= 0 ~pumpRunning~0) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 2))) (or (and .cse1 (= 2 ~waterLevel~0) .cse2) .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse4))) [2020-07-19 21:08:14,220 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 756 782) no Hoare annotation was computed. [2020-07-19 21:08:14,220 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 756 782) no Hoare annotation was computed. [2020-07-19 21:08:14,220 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse4 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and (not .cse3) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1)) (or .cse4 .cse5 .cse6) (or .cse2 .cse4 (and .cse7 .cse8 (<= ~waterLevel~0 2)) .cse3) (or .cse1 .cse5 .cse6) (or .cse0 .cse2 (and .cse7 .cse8) .cse3 (not (<= |old(~waterLevel~0)| 2)))))) [2020-07-19 21:08:14,220 INFO L264 CegarLoopResult]: At program point L770(lines 770 776) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 2)) (.cse0 (= 0 ~pumpRunning~0))) (let ((.cse4 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and .cse9 .cse0 (<= 1 ~switchedOnBeforeTS~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse1) (and (not .cse2) (= 2 ~waterLevel~0) .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (or .cse4 (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse2 (<= ~waterLevel~0 1)) (or .cse4 .cse6 .cse5 (and .cse7 .cse8) .cse2 .cse3) (or .cse6 .cse5 (not (= 2 |old(~waterLevel~0)|)) (and .cse7 .cse8 .cse9) .cse2)))) [2020-07-19 21:08:14,221 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-19 21:08:14,221 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-19 21:08:14,221 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-19 21:08:14,221 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-19 21:08:14,221 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-19 21:08:14,221 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-19 21:08:14,221 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-19 21:08:14,221 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-19 21:08:14,222 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-19 21:08:14,222 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-19 21:08:14,222 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 615 623) no Hoare annotation was computed. [2020-07-19 21:08:14,222 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 615 623) no Hoare annotation was computed. [2020-07-19 21:08:14,222 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 615 623) no Hoare annotation was computed. [2020-07-19 21:08:14,222 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 579 590) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (or (not (= 2 |old(~waterLevel~0)|)) .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2020-07-19 21:08:14,222 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 579 590) no Hoare annotation was computed. [2020-07-19 21:08:14,222 INFO L268 CegarLoopResult]: For program point L583-1(lines 579 590) no Hoare annotation was computed. [2020-07-19 21:08:14,223 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-19 21:08:14,223 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-19 21:08:14,223 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:08:14,223 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2020-07-19 21:08:14,223 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:08:14,223 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:08:14,223 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2020-07-19 21:08:14,223 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2020-07-19 21:08:14,224 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2020-07-19 21:08:14,224 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (and (= 0 ~pumpRunning~0) (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 21:08:14,224 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 791 815) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-19 21:08:14,224 INFO L268 CegarLoopResult]: For program point L799(lines 799 807) no Hoare annotation was computed. [2020-07-19 21:08:14,224 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-19 21:08:14,224 INFO L268 CegarLoopResult]: For program point L797-1(line 797) no Hoare annotation was computed. [2020-07-19 21:08:14,224 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 791 815) no Hoare annotation was computed. [2020-07-19 21:08:14,225 INFO L268 CegarLoopResult]: For program point L795(lines 795 812) no Hoare annotation was computed. [2020-07-19 21:08:14,225 INFO L264 CegarLoopResult]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 21:08:14,225 INFO L268 CegarLoopResult]: For program point L810-1(lines 791 815) no Hoare annotation was computed. [2020-07-19 21:08:14,225 INFO L264 CegarLoopResult]: At program point L805(line 805) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 21:08:14,225 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 591 602) no Hoare annotation was computed. [2020-07-19 21:08:14,225 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 591 602) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse4) (or .cse5 .cse3 (= 2 ~waterLevel~0) .cse4) (or .cse5 .cse1 .cse2))) [2020-07-19 21:08:14,225 INFO L268 CegarLoopResult]: For program point L595-1(lines 591 602) no Hoare annotation was computed. [2020-07-19 21:08:14,226 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2020-07-19 21:08:14,226 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2020-07-19 21:08:14,226 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2020-07-19 21:08:14,226 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2020-07-19 21:08:14,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:08:14 BoogieIcfgContainer [2020-07-19 21:08:14,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:08:14,246 INFO L168 Benchmark]: Toolchain (without parser) took 73333.63 ms. Allocated memory was 145.2 MB in the beginning and 948.4 MB in the end (delta: 803.2 MB). Free memory was 101.0 MB in the beginning and 546.3 MB in the end (delta: -445.3 MB). Peak memory consumption was 833.8 MB. Max. memory is 7.1 GB. [2020-07-19 21:08:14,246 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 21:08:14,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.92 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.6 MB in the beginning and 169.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:08:14,247 INFO L168 Benchmark]: Boogie Preprocessor took 111.40 ms. Allocated memory is still 202.4 MB. Free memory was 169.7 MB in the beginning and 165.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-19 21:08:14,248 INFO L168 Benchmark]: RCFGBuilder took 1158.06 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.7 MB in the beginning and 192.4 MB in the end (delta: -26.7 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-07-19 21:08:14,249 INFO L168 Benchmark]: TraceAbstraction took 71390.45 ms. Allocated memory was 235.9 MB in the beginning and 948.4 MB in the end (delta: 712.5 MB). Free memory was 190.9 MB in the beginning and 546.3 MB in the end (delta: -355.4 MB). Peak memory consumption was 833.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:08:14,252 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.92 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.6 MB in the beginning and 169.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.40 ms. Allocated memory is still 202.4 MB. Free memory was 169.7 MB in the beginning and 165.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1158.06 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.7 MB in the beginning and 192.4 MB in the end (delta: -26.7 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 71390.45 ms. Allocated memory was 235.9 MB in the beginning and 948.4 MB in the end (delta: 712.5 MB). Free memory was 190.9 MB in the beginning and 546.3 MB in the end (delta: -355.4 MB). Peak memory consumption was 833.1 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: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && !(0 == systemActive)) && waterLevel <= 2) && 1 <= pumpRunning)) || (((0 == splverifierCounter && !(0 == systemActive)) && 2 == waterLevel) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && waterLevel <= 2) && 0 == pumpRunning)) || !(1 == \old(systemActive)) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.0s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 34.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 30.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1455 SDtfs, 2748 SDslu, 2478 SDs, 0 SdLazy, 9525 SolverSat, 2056 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 614 GetRequests, 452 SyntacticMatches, 1 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1031 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1067occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 692 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 2222 PreInvPairs, 2556 NumberOfFragments, 1985 HoareAnnotationTreeSize, 2222 FomulaSimplifications, 44263959 FormulaSimplificationTreeSizeReduction, 8.1s HoareSimplificationTime, 66 FomulaSimplificationsInter, 1393764 FormulaSimplificationTreeSizeReductionInter, 21.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 948 NumberOfCodeBlocks, 948 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 938 ConstructedInterpolants, 0 QuantifiedInterpolants, 331576 SizeOfPredicates, 4 NumberOfNonLiveVariables, 943 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 87/110 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...