/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:28:14,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:28:14,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:28:14,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:28:14,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:28:14,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:28:14,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:28:14,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:28:14,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:28:14,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:28:14,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:28:14,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:28:14,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:28:14,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:28:14,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:28:14,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:28:14,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:28:14,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:28:14,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:28:14,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:28:14,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:28:14,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:28:14,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:28:14,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:28:14,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 21:28:14,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 21:28:14,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 21:28:14,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 21:28:14,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 21:28:14,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 21:28:14,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 21:28:14,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 21:28:14,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 21:28:14,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 21:28:14,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 21:28:14,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 21:28:14,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 21:28:14,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 21:28:14,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:28:14,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:28:14,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:28:14,687 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 21:28:14,696 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:28:14,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:28:14,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:28:14,698 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:28:14,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:28:14,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:28:14,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:28:14,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:28:14,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:28:14,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:28:14,700 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:28:14,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:28:14,700 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:28:14,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:28:14,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:28:14,701 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:28:14,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:28:14,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:28:14,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:28:14,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:28:14,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:28:14,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:28:14,702 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-08-22 21:28:15,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:28:15,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:28:15,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:28:15,081 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:28:15,082 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:28:15,082 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product46.cil.c [2020-08-22 21:28:15,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7013bef6/e9c3902cffba430d9b837ba6faf51117/FLAGc10f54368 [2020-08-22 21:28:15,734 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:28:15,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product46.cil.c [2020-08-22 21:28:15,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7013bef6/e9c3902cffba430d9b837ba6faf51117/FLAGc10f54368 [2020-08-22 21:28:16,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7013bef6/e9c3902cffba430d9b837ba6faf51117 [2020-08-22 21:28:16,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:28:16,130 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:28:16,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:28:16,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:28:16,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:28:16,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:28:16" (1/1) ... [2020-08-22 21:28:16,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af9caed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:16, skipping insertion in model container [2020-08-22 21:28:16,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:28:16" (1/1) ... [2020-08-22 21:28:16,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:28:16,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:28:16,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:28:16,780 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:28:16,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:28:16,898 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:28:16,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:16 WrapperNode [2020-08-22 21:28:16,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:28:16,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:28:16,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:28:16,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:28:16,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:16" (1/1) ... [2020-08-22 21:28:16,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:16" (1/1) ... [2020-08-22 21:28:16,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:16" (1/1) ... [2020-08-22 21:28:16,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:16" (1/1) ... [2020-08-22 21:28:16,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:16" (1/1) ... [2020-08-22 21:28:16,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:16" (1/1) ... [2020-08-22 21:28:16,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:16" (1/1) ... [2020-08-22 21:28:16,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:28:16,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:28:16,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:28:16,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:28:16,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:28:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:28:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:28:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 21:28:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 21:28:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 21:28:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 21:28:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 21:28:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:28:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-22 21:28:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 21:28:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 21:28:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 21:28:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 21:28:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 21:28:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 21:28:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 21:28:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 21:28:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 21:28:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 21:28:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 21:28:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:28:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 21:28:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 21:28:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 21:28:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 21:28:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 21:28:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 21:28:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 21:28:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 21:28:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 21:28:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 21:28:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 21:28:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 21:28:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 21:28:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 21:28:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 21:28:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 21:28:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 21:28:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 21:28:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 21:28:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:28:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 21:28:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 21:28:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 21:28:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 21:28:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 21:28:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 21:28:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 21:28:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 21:28:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 21:28:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 21:28:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 21:28:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 21:28:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 21:28:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 21:28:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:28:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 21:28:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 21:28:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 21:28:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-22 21:28:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 21:28:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 21:28:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 21:28:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 21:28:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 21:28:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 21:28:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 21:28:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 21:28:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 21:28:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 21:28:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 21:28:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 21:28:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 21:28:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 21:28:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 21:28:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 21:28:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 21:28:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 21:28:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 21:28:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 21:28:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 21:28:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 21:28:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 21:28:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 21:28:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 21:28:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 21:28:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 21:28:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 21:28:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 21:28:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:28:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 21:28:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:28:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 21:28:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:28:18,208 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:28:18,208 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 21:28:18,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:28:18 BoogieIcfgContainer [2020-08-22 21:28:18,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:28:18,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:28:18,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:28:18,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:28:18,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:28:16" (1/3) ... [2020-08-22 21:28:18,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a061c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:28:18, skipping insertion in model container [2020-08-22 21:28:18,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:16" (2/3) ... [2020-08-22 21:28:18,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a061c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:28:18, skipping insertion in model container [2020-08-22 21:28:18,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:28:18" (3/3) ... [2020-08-22 21:28:18,222 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product46.cil.c [2020-08-22 21:28:18,232 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:28:18,240 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:28:18,252 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:28:18,268 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:28:18,268 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:28:18,268 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:28:18,268 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:28:18,268 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:28:18,268 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:28:18,269 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:28:18,269 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:28:18,287 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2020-08-22 21:28:18,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-22 21:28:18,308 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:18,309 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:28:18,309 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:18,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:18,316 INFO L82 PathProgramCache]: Analyzing trace with hash 2069436890, now seen corresponding path program 1 times [2020-08-22 21:28:18,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:18,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093856847] [2020-08-22 21:28:18,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:19,002 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:19,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:19,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:19,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:19,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:19,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:19,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:28:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:19,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 21:28:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:28:19,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2093856847] [2020-08-22 21:28:19,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:19,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 21:28:19,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027389510] [2020-08-22 21:28:19,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 21:28:19,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:19,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 21:28:19,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 21:28:19,193 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 3 states. [2020-08-22 21:28:20,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:20,669 INFO L93 Difference]: Finished difference Result 506 states and 600 transitions. [2020-08-22 21:28:20,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 21:28:20,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-08-22 21:28:20,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:20,688 INFO L225 Difference]: With dead ends: 506 [2020-08-22 21:28:20,689 INFO L226 Difference]: Without dead ends: 312 [2020-08-22 21:28:20,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 21:28:20,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-08-22 21:28:20,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 268. [2020-08-22 21:28:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-08-22 21:28:20,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 291 transitions. [2020-08-22 21:28:20,842 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 291 transitions. Word has length 142 [2020-08-22 21:28:20,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:20,843 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 291 transitions. [2020-08-22 21:28:20,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 21:28:20,843 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 291 transitions. [2020-08-22 21:28:20,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-08-22 21:28:20,848 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:20,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:28:20,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:28:20,849 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:20,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:20,849 INFO L82 PathProgramCache]: Analyzing trace with hash 777586008, now seen corresponding path program 1 times [2020-08-22 21:28:20,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:20,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599727659] [2020-08-22 21:28:20,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:21,215 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:21,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:21,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:21,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:21,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:21,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:21,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:28:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:21,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 21:28:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:28:21,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599727659] [2020-08-22 21:28:21,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:21,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 21:28:21,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512759910] [2020-08-22 21:28:21,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 21:28:21,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:21,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 21:28:21,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:28:21,292 INFO L87 Difference]: Start difference. First operand 268 states and 291 transitions. Second operand 4 states. [2020-08-22 21:28:21,896 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:22,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:22,885 INFO L93 Difference]: Finished difference Result 419 states and 471 transitions. [2020-08-22 21:28:22,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 21:28:22,892 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-08-22 21:28:22,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:22,898 INFO L225 Difference]: With dead ends: 419 [2020-08-22 21:28:22,898 INFO L226 Difference]: Without dead ends: 295 [2020-08-22 21:28:22,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:28:22,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-08-22 21:28:22,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 258. [2020-08-22 21:28:22,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-08-22 21:28:22,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 278 transitions. [2020-08-22 21:28:22,984 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 278 transitions. Word has length 143 [2020-08-22 21:28:22,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:22,985 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 278 transitions. [2020-08-22 21:28:22,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 21:28:22,985 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 278 transitions. [2020-08-22 21:28:22,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-08-22 21:28:22,990 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:22,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:28:22,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:28:22,991 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:22,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:22,991 INFO L82 PathProgramCache]: Analyzing trace with hash -956744923, now seen corresponding path program 1 times [2020-08-22 21:28:22,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:22,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880775166] [2020-08-22 21:28:22,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:23,319 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:23,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:23,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:23,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:23,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:23,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:23,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:28:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:23,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:28:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:23,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-08-22 21:28:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:23,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:28:23,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [880775166] [2020-08-22 21:28:23,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:23,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 21:28:23,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859348286] [2020-08-22 21:28:23,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 21:28:23,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:23,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 21:28:23,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 21:28:23,446 INFO L87 Difference]: Start difference. First operand 258 states and 278 transitions. Second operand 10 states. [2020-08-22 21:28:23,885 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:24,230 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:24,474 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:28:24,719 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:24,958 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:25,194 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:26,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:26,806 INFO L93 Difference]: Finished difference Result 465 states and 533 transitions. [2020-08-22 21:28:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 21:28:26,806 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-08-22 21:28:26,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:26,814 INFO L225 Difference]: With dead ends: 465 [2020-08-22 21:28:26,814 INFO L226 Difference]: Without dead ends: 317 [2020-08-22 21:28:26,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-08-22 21:28:26,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-08-22 21:28:26,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 258. [2020-08-22 21:28:26,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-08-22 21:28:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 277 transitions. [2020-08-22 21:28:26,909 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 277 transitions. Word has length 156 [2020-08-22 21:28:26,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:26,910 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 277 transitions. [2020-08-22 21:28:26,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 21:28:26,910 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 277 transitions. [2020-08-22 21:28:26,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-08-22 21:28:26,912 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:26,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:28:26,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:28:26,913 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:26,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:26,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1329661324, now seen corresponding path program 1 times [2020-08-22 21:28:26,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:26,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326841564] [2020-08-22 21:28:26,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:27,238 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:27,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:27,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:27,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:27,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:27,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:27,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:28:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:27,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 21:28:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:27,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:27,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:27,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-08-22 21:28:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:27,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 21:28:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:27,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:28:27,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326841564] [2020-08-22 21:28:27,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:27,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 21:28:27,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716108151] [2020-08-22 21:28:27,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 21:28:27,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:27,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 21:28:27,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 21:28:27,489 INFO L87 Difference]: Start difference. First operand 258 states and 277 transitions. Second operand 7 states. [2020-08-22 21:28:28,141 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:29,946 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:30,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:30,865 INFO L93 Difference]: Finished difference Result 658 states and 775 transitions. [2020-08-22 21:28:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 21:28:30,866 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2020-08-22 21:28:30,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:30,871 INFO L225 Difference]: With dead ends: 658 [2020-08-22 21:28:30,872 INFO L226 Difference]: Without dead ends: 510 [2020-08-22 21:28:30,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-08-22 21:28:30,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-08-22 21:28:31,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 383. [2020-08-22 21:28:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-08-22 21:28:31,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 410 transitions. [2020-08-22 21:28:31,027 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 410 transitions. Word has length 169 [2020-08-22 21:28:31,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:31,027 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 410 transitions. [2020-08-22 21:28:31,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 21:28:31,028 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 410 transitions. [2020-08-22 21:28:31,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-08-22 21:28:31,030 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:31,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:28:31,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 21:28:31,031 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:31,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:31,031 INFO L82 PathProgramCache]: Analyzing trace with hash -828711732, now seen corresponding path program 1 times [2020-08-22 21:28:31,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:31,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [438731033] [2020-08-22 21:28:31,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,374 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:31,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:28:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 21:28:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:28:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:28:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-08-22 21:28:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-08-22 21:28:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:28:31,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [438731033] [2020-08-22 21:28:31,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:28:31,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-08-22 21:28:31,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885615009] [2020-08-22 21:28:31,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 21:28:31,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:31,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 21:28:31,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-08-22 21:28:31,658 INFO L87 Difference]: Start difference. First operand 383 states and 410 transitions. Second operand 15 states. [2020-08-22 21:28:32,149 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:32,480 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:32,748 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:33,005 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:33,276 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:33,502 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:34,124 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:35,391 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:35,631 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:35,932 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:36,200 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:36,434 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:28:36,683 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:36,909 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:37,188 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:37,525 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:28:37,773 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:39,412 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:39,688 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:40,143 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:41,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:41,023 INFO L93 Difference]: Finished difference Result 1370 states and 1704 transitions. [2020-08-22 21:28:41,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-08-22 21:28:41,023 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 193 [2020-08-22 21:28:41,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:41,037 INFO L225 Difference]: With dead ends: 1370 [2020-08-22 21:28:41,038 INFO L226 Difference]: Without dead ends: 1097 [2020-08-22 21:28:41,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2020-08-22 21:28:41,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2020-08-22 21:28:41,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 798. [2020-08-22 21:28:41,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2020-08-22 21:28:41,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 880 transitions. [2020-08-22 21:28:41,325 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 880 transitions. Word has length 193 [2020-08-22 21:28:41,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:41,326 INFO L479 AbstractCegarLoop]: Abstraction has 798 states and 880 transitions. [2020-08-22 21:28:41,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 21:28:41,326 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 880 transitions. [2020-08-22 21:28:41,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-08-22 21:28:41,333 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:41,333 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:28:41,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 21:28:41,334 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:41,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:41,334 INFO L82 PathProgramCache]: Analyzing trace with hash -186305432, now seen corresponding path program 1 times [2020-08-22 21:28:41,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:41,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831422558] [2020-08-22 21:28:41,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,663 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:41,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-08-22 21:28:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:28:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 21:28:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:28:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:28:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:28:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 21:28:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 21:28:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-08-22 21:28:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-08-22 21:28:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:28:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-08-22 21:28:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:41,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-08-22 21:28:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:42,040 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-08-22 21:28:42,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831422558] [2020-08-22 21:28:42,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:28:42,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-22 21:28:42,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601559458] [2020-08-22 21:28:42,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 21:28:42,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:42,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 21:28:42,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-08-22 21:28:42,045 INFO L87 Difference]: Start difference. First operand 798 states and 880 transitions. Second operand 15 states. [2020-08-22 21:28:42,576 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:43,340 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:28:44,238 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:44,510 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:28:44,789 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:28:45,076 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:45,354 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:28:45,631 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:28:45,881 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:46,165 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:28:46,412 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:46,691 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:46,983 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:47,247 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:49,983 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:50,227 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:50,481 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:28:50,721 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:50,965 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:51,190 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:52,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:52,166 INFO L93 Difference]: Finished difference Result 1793 states and 2205 transitions. [2020-08-22 21:28:52,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-08-22 21:28:52,167 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 291 [2020-08-22 21:28:52,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:52,174 INFO L225 Difference]: With dead ends: 1793 [2020-08-22 21:28:52,174 INFO L226 Difference]: Without dead ends: 1105 [2020-08-22 21:28:52,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=497, Invalid=2053, Unknown=0, NotChecked=0, Total=2550 [2020-08-22 21:28:52,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2020-08-22 21:28:52,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 765. [2020-08-22 21:28:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-08-22 21:28:52,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 846 transitions. [2020-08-22 21:28:52,406 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 846 transitions. Word has length 291 [2020-08-22 21:28:52,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:52,407 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 846 transitions. [2020-08-22 21:28:52,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 21:28:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 846 transitions. [2020-08-22 21:28:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-22 21:28:52,413 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:52,413 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:28:52,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 21:28:52,418 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:52,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:52,419 INFO L82 PathProgramCache]: Analyzing trace with hash -144483530, now seen corresponding path program 1 times [2020-08-22 21:28:52,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:52,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39048508] [2020-08-22 21:28:52,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,688 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:52,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 21:28:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-08-22 21:28:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:28:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:28:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:28:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 21:28:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 21:28:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-08-22 21:28:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-08-22 21:28:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:28:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-08-22 21:28:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:52,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2020-08-22 21:28:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-08-22 21:28:53,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39048508] [2020-08-22 21:28:53,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:28:53,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-22 21:28:53,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122661142] [2020-08-22 21:28:53,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 21:28:53,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:53,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 21:28:53,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-08-22 21:28:53,107 INFO L87 Difference]: Start difference. First operand 765 states and 846 transitions. Second operand 15 states. [2020-08-22 21:28:53,651 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:28:53,896 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:28:54,135 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:54,377 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:54,605 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:55,432 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:55,669 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:55,930 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:56,186 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:28:56,417 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:28:58,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:28:58,157 INFO L93 Difference]: Finished difference Result 1435 states and 1684 transitions. [2020-08-22 21:28:58,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 21:28:58,157 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 286 [2020-08-22 21:28:58,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:28:58,164 INFO L225 Difference]: With dead ends: 1435 [2020-08-22 21:28:58,164 INFO L226 Difference]: Without dead ends: 780 [2020-08-22 21:28:58,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-08-22 21:28:58,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2020-08-22 21:28:58,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 604. [2020-08-22 21:28:58,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-08-22 21:28:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 666 transitions. [2020-08-22 21:28:58,417 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 666 transitions. Word has length 286 [2020-08-22 21:28:58,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:28:58,417 INFO L479 AbstractCegarLoop]: Abstraction has 604 states and 666 transitions. [2020-08-22 21:28:58,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 21:28:58,418 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 666 transitions. [2020-08-22 21:28:58,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-08-22 21:28:58,422 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:28:58,422 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:28:58,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 21:28:58,423 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:28:58,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:28:58,423 INFO L82 PathProgramCache]: Analyzing trace with hash -918819029, now seen corresponding path program 1 times [2020-08-22 21:28:58,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:28:58,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688247472] [2020-08-22 21:28:58,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:28:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,724 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:28:58,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:28:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:28:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:28:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:28:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:28:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-08-22 21:28:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:28:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 21:28:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:28:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:28:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:28:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 21:28:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 21:28:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-08-22 21:28:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-08-22 21:28:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:28:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:28:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:28:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-08-22 21:28:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:58,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-08-22 21:28:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:28:59,065 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-08-22 21:28:59,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688247472] [2020-08-22 21:28:59,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:28:59,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-22 21:28:59,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348467319] [2020-08-22 21:28:59,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-22 21:28:59,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:28:59,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-22 21:28:59,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-08-22 21:28:59,068 INFO L87 Difference]: Start difference. First operand 604 states and 666 transitions. Second operand 16 states. [2020-08-22 21:28:59,583 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:00,518 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:29:01,729 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:01,989 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:02,270 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:02,553 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:02,781 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:03,028 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:29:03,255 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:03,507 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:03,769 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:04,070 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:29:04,328 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:04,580 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:29:06,355 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:06,609 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:06,851 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:07,108 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:07,360 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:29:07,601 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:08,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:29:08,567 INFO L93 Difference]: Finished difference Result 1828 states and 2180 transitions. [2020-08-22 21:29:08,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-22 21:29:08,571 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 291 [2020-08-22 21:29:08,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:29:08,579 INFO L225 Difference]: With dead ends: 1828 [2020-08-22 21:29:08,579 INFO L226 Difference]: Without dead ends: 1334 [2020-08-22 21:29:08,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=521, Invalid=2029, Unknown=0, NotChecked=0, Total=2550 [2020-08-22 21:29:08,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2020-08-22 21:29:08,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1013. [2020-08-22 21:29:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1013 states. [2020-08-22 21:29:08,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1113 transitions. [2020-08-22 21:29:08,900 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1113 transitions. Word has length 291 [2020-08-22 21:29:08,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:29:08,901 INFO L479 AbstractCegarLoop]: Abstraction has 1013 states and 1113 transitions. [2020-08-22 21:29:08,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-22 21:29:08,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1113 transitions. [2020-08-22 21:29:08,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-08-22 21:29:08,904 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:29:08,905 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:29:08,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 21:29:08,905 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:29:08,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:29:08,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1502734052, now seen corresponding path program 1 times [2020-08-22 21:29:08,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:29:08,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532973869] [2020-08-22 21:29:08,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:29:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,156 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:29:09,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:29:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:29:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:29:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:29:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:29:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-08-22 21:29:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:29:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 21:29:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:29:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:29:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:29:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 21:29:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 21:29:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-08-22 21:29:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-08-22 21:29:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:29:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:29:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:29:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-08-22 21:29:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2020-08-22 21:29:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:29:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-08-22 21:29:09,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532973869] [2020-08-22 21:29:09,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:29:09,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 21:29:09,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268033672] [2020-08-22 21:29:09,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 21:29:09,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:29:09,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 21:29:09,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-08-22 21:29:09,448 INFO L87 Difference]: Start difference. First operand 1013 states and 1113 transitions. Second operand 14 states. [2020-08-22 21:29:09,878 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:10,519 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:11,605 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:11,860 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:12,123 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:12,358 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:12,598 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:12,825 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:29:13,050 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:13,293 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:13,561 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:29:13,796 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:29:15,627 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:29:15,859 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:29:16,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:29:16,959 INFO L93 Difference]: Finished difference Result 2794 states and 3421 transitions. [2020-08-22 21:29:16,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-08-22 21:29:16,960 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 295 [2020-08-22 21:29:16,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:29:16,973 INFO L225 Difference]: With dead ends: 2794 [2020-08-22 21:29:16,973 INFO L226 Difference]: Without dead ends: 2069 [2020-08-22 21:29:16,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 67 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=577, Invalid=1493, Unknown=0, NotChecked=0, Total=2070 [2020-08-22 21:29:16,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2020-08-22 21:29:17,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 1329. [2020-08-22 21:29:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1329 states. [2020-08-22 21:29:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1478 transitions. [2020-08-22 21:29:17,409 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1478 transitions. Word has length 295 [2020-08-22 21:29:17,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:29:17,409 INFO L479 AbstractCegarLoop]: Abstraction has 1329 states and 1478 transitions. [2020-08-22 21:29:17,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 21:29:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1478 transitions. [2020-08-22 21:29:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-08-22 21:29:17,415 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:29:17,416 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:29:17,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 21:29:17,416 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:29:17,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:29:17,417 INFO L82 PathProgramCache]: Analyzing trace with hash 594951917, now seen corresponding path program 2 times [2020-08-22 21:29:17,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:29:17,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297008156] [2020-08-22 21:29:17,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:29:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:29:17,539 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:29:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:29:17,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:29:18,178 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 21:29:18,178 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 21:29:18,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 21:29:18,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:29:18 BoogieIcfgContainer [2020-08-22 21:29:18,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 21:29:18,486 INFO L168 Benchmark]: Toolchain (without parser) took 62356.30 ms. Allocated memory was 145.2 MB in the beginning and 809.5 MB in the end (delta: 664.3 MB). Free memory was 101.2 MB in the beginning and 556.5 MB in the end (delta: -455.3 MB). Peak memory consumption was 208.9 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:18,487 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 145.2 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-08-22 21:29:18,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.29 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 100.8 MB in the beginning and 170.2 MB in the end (delta: -69.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:18,488 INFO L168 Benchmark]: Boogie Preprocessor took 89.91 ms. Allocated memory is still 205.0 MB. Free memory was 170.2 MB in the beginning and 166.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:18,489 INFO L168 Benchmark]: RCFGBuilder took 1225.37 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 166.3 MB in the beginning and 173.5 MB in the end (delta: -7.3 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:18,490 INFO L168 Benchmark]: TraceAbstraction took 60269.03 ms. Allocated memory was 235.4 MB in the beginning and 809.5 MB in the end (delta: 574.1 MB). Free memory was 173.5 MB in the beginning and 556.5 MB in the end (delta: -383.0 MB). Peak memory consumption was 191.1 MB. Max. memory is 7.1 GB. [2020-08-22 21:29:18,493 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 ms. Allocated memory is still 145.2 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.29 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 100.8 MB in the beginning and 170.2 MB in the end (delta: -69.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.91 ms. Allocated memory is still 205.0 MB. Free memory was 170.2 MB in the beginning and 166.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1225.37 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 166.3 MB in the beginning and 173.5 MB in the end (delta: -7.3 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 60269.03 ms. Allocated memory was 235.4 MB in the beginning and 809.5 MB in the end (delta: 574.1 MB). Free memory was 173.5 MB in the beginning and 556.5 MB in the end (delta: -383.0 MB). Peak memory consumption was 191.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 543]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={176:162}, methaneLevelCritical=144, pumpRunning=132, systemActive=131, waterLevel=138] [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=144, pumpRunning=132, systemActive=131, waterLevel=138] [L555] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=144, pumpRunning=0, systemActive=131, waterLevel=138] [L556] int systemActive = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=144, pumpRunning=0, systemActive=1, waterLevel=138] [L758] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=144, pumpRunning=0, systemActive=1, waterLevel=1] [L759] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=144, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L121] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L945] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L948] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L949] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L853] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L855] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L856] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L857] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L862] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L864] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L870] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L872] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L874] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L776] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L777] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L874] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L880] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L882] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L890] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L892] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L894] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L753] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L894] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L907] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L562] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L569] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L571] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L617] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L620] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L635] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L591] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L594] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L731] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L733] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L737] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L838] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L841] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L845] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L846] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L737] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L737] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L739] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L742] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L744] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L745] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L596] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L598] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L600] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L650] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L654] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L675] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L679] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L797] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L800] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L801] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L679] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L679] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L681] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L654] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L654] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L656] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L660] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L645] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L660] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L600] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L635] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L571] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L577] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L148] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L149] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L153] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L829] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L832] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L833] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L153] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L153] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L155] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L577] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L907] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L862] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L864] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L870] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L872] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L880] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L882] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L890] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L892] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L894] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L753] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L894] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L907] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L562] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L564] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L764] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L765] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L564] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L569] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L571] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L617] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L620] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L622] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L675] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L679] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L797] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L800] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L801] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L679] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L679] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L681] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L622] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L622] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L624] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L630] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L591] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L594] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L609] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L630] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L571] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L577] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L148] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L149] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L153] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L829] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L832] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L833] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L153] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L153] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L155] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L577] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L907] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L862] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L864] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L870] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L872] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L880] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L882] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L890] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L892] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L894] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L753] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L894] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L907] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L562] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L564] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L764] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L765] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L564] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L569] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L571] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L617] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L620] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L622] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L675] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L679] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L797] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L800] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L801] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L679] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L679] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L681] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L622] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L622] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L624] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L630] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L591] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L594] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L609] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L630] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L571] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L577] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L148] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L149] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L153] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L829] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L832] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L833] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L153] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L153] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L155] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L157] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L686] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L689] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L690] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L157] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L157] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L159] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L161] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L543] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 631 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 59.9s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 51.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2501 SDtfs, 7668 SDslu, 6458 SDs, 0 SdLazy, 15917 SolverSat, 2717 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 609 GetRequests, 362 SyntacticMatches, 7 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2284 ImplicationChecksByTransitivity, 25.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1329occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 2143 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2335 NumberOfCodeBlocks, 2335 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1957 ConstructedInterpolants, 0 QuantifiedInterpolants, 1033087 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 201/212 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...