/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_spec2_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:17:29,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:17:29,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:17:29,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:17:29,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:17:29,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:17:29,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:17:29,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:17:29,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:17:29,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:17:29,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:17:29,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:17:29,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:17:29,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:17:29,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:17:29,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:17:29,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:17:29,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:17:29,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:17:29,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:17:29,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:17:29,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:17:29,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:17:29,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:17:29,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 21:17:29,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 21:17:29,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 21:17:29,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 21:17:29,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 21:17:29,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 21:17:29,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 21:17:29,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 21:17:29,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 21:17:29,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 21:17:29,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 21:17:29,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 21:17:29,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 21:17:29,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 21:17:29,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:17:29,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:17:29,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:17:29,579 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 21:17:29,596 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:17:29,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:17:29,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:17:29,599 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:17:29,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:17:29,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:17:29,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:17:29,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:17:29,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:17:29,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:17:29,601 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:17:29,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:17:29,602 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:17:29,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:17:29,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:17:29,603 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:17:29,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:17:29,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:17:29,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:17:29,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:17:29,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:17:29,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:17:29,604 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 21:17:29,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:17:29,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:17:29,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:17:29,917 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:17:29,918 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:17:29,919 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-08-22 21:17:29,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db7afe268/518cb54fc25e4a719b023e0fd309f21c/FLAGab828e1cb [2020-08-22 21:17:30,485 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:17:30,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-08-22 21:17:30,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db7afe268/518cb54fc25e4a719b023e0fd309f21c/FLAGab828e1cb [2020-08-22 21:17:30,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db7afe268/518cb54fc25e4a719b023e0fd309f21c [2020-08-22 21:17:30,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:17:30,848 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:17:30,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:17:30,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:17:30,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:17:30,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:17:30" (1/1) ... [2020-08-22 21:17:30,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9176dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:30, skipping insertion in model container [2020-08-22 21:17:30,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:17:30" (1/1) ... [2020-08-22 21:17:30,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:17:30,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:17:31,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:17:31,340 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:17:31,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:17:31,518 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:17:31,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:31 WrapperNode [2020-08-22 21:17:31,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:17:31,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:17:31,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:17:31,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:17:31,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:31" (1/1) ... [2020-08-22 21:17:31,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:31" (1/1) ... [2020-08-22 21:17:31,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:31" (1/1) ... [2020-08-22 21:17:31,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:31" (1/1) ... [2020-08-22 21:17:31,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:31" (1/1) ... [2020-08-22 21:17:31,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:31" (1/1) ... [2020-08-22 21:17:31,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:31" (1/1) ... [2020-08-22 21:17:31,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:17:31,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:17:31,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:17:31,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:17:31,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:31" (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 21:17:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:17:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:17:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 21:17:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 21:17:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 21:17:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 21:17:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 21:17:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 21:17:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 21:17:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 21:17:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 21:17:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 21:17:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 21:17:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 21:17:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 21:17:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 21:17:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 21:17:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 21:17:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 21:17:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 21:17:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:17:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 21:17:31,679 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 21:17:31,679 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 21:17:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 21:17:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 21:17:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 21:17:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 21:17:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 21:17:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 21:17:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 21:17:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:17:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 21:17:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 21:17:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 21:17:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 21:17:31,682 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 21:17:31,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 21:17:31,682 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 21:17:31,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 21:17:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:17:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 21:17:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 21:17:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 21:17:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 21:17:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 21:17:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 21:17:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 21:17:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 21:17:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 21:17:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 21:17:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 21:17:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 21:17:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 21:17:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 21:17:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 21:17:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 21:17:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 21:17:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 21:17:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 21:17:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 21:17:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 21:17:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 21:17:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 21:17:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 21:17:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 21:17:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 21:17:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 21:17:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 21:17:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 21:17:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 21:17:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 21:17:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 21:17:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 21:17:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 21:17:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 21:17:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 21:17:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 21:17:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:17:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 21:17:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 21:17:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 21:17:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 21:17:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 21:17:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 21:17:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 21:17:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 21:17:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 21:17:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 21:17:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:17:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 21:17:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:17:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 21:17:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:17:32,808 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:17:32,809 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 21:17:32,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:17:32 BoogieIcfgContainer [2020-08-22 21:17:32,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:17:32,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:17:32,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:17:32,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:17:32,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:17:30" (1/3) ... [2020-08-22 21:17:32,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d1e3dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:17:32, skipping insertion in model container [2020-08-22 21:17:32,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:17:31" (2/3) ... [2020-08-22 21:17:32,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d1e3dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:17:32, skipping insertion in model container [2020-08-22 21:17:32,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:17:32" (3/3) ... [2020-08-22 21:17:32,825 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2020-08-22 21:17:32,837 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:17:32,846 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:17:32,861 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:17:32,887 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:17:32,887 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:17:32,888 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:17:32,888 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:17:32,888 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:17:32,888 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:17:32,889 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:17:32,889 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:17:32,911 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-08-22 21:17:32,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-08-22 21:17:32,934 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:32,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:17:32,936 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:32,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:32,944 INFO L82 PathProgramCache]: Analyzing trace with hash 712153127, now seen corresponding path program 1 times [2020-08-22 21:17:32,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:32,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [780250400] [2020-08-22 21:17:32,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,702 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:33,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:17:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 21:17:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:33,916 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 21:17:33,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [780250400] [2020-08-22 21:17:33,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:33,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 21:17:33,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365486178] [2020-08-22 21:17:33,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 21:17:33,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:33,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 21:17:33,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:17:33,959 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 4 states. [2020-08-22 21:17:35,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:35,345 INFO L93 Difference]: Finished difference Result 489 states and 577 transitions. [2020-08-22 21:17:35,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 21:17:35,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-08-22 21:17:35,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:35,365 INFO L225 Difference]: With dead ends: 489 [2020-08-22 21:17:35,365 INFO L226 Difference]: Without dead ends: 312 [2020-08-22 21:17:35,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:17:35,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-08-22 21:17:35,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 262. [2020-08-22 21:17:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-08-22 21:17:35,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 284 transitions. [2020-08-22 21:17:35,511 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 284 transitions. Word has length 148 [2020-08-22 21:17:35,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:35,512 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 284 transitions. [2020-08-22 21:17:35,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 21:17:35,513 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 284 transitions. [2020-08-22 21:17:35,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-08-22 21:17:35,517 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:35,518 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] [2020-08-22 21:17:35,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:17:35,518 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:35,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:35,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1114292978, now seen corresponding path program 1 times [2020-08-22 21:17:35,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:35,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844876225] [2020-08-22 21:17:35,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:35,887 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:35,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:35,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:35,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:35,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:35,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:35,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:35,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-08-22 21:17:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:35,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-22 21:17:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:35,977 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 21:17:35,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844876225] [2020-08-22 21:17:35,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:35,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 21:17:35,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069655231] [2020-08-22 21:17:35,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 21:17:35,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:35,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 21:17:35,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:17:35,982 INFO L87 Difference]: Start difference. First operand 262 states and 284 transitions. Second operand 5 states. [2020-08-22 21:17:36,684 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:37,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:37,683 INFO L93 Difference]: Finished difference Result 409 states and 462 transitions. [2020-08-22 21:17:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 21:17:37,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-08-22 21:17:37,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:37,689 INFO L225 Difference]: With dead ends: 409 [2020-08-22 21:17:37,689 INFO L226 Difference]: Without dead ends: 301 [2020-08-22 21:17:37,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 21:17:37,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-08-22 21:17:37,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 252. [2020-08-22 21:17:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-08-22 21:17:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 271 transitions. [2020-08-22 21:17:37,760 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 271 transitions. Word has length 149 [2020-08-22 21:17:37,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:37,761 INFO L479 AbstractCegarLoop]: Abstraction has 252 states and 271 transitions. [2020-08-22 21:17:37,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 21:17:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 271 transitions. [2020-08-22 21:17:37,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-08-22 21:17:37,764 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:37,764 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] [2020-08-22 21:17:37,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:17:37,765 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:37,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:37,765 INFO L82 PathProgramCache]: Analyzing trace with hash 185312608, now seen corresponding path program 1 times [2020-08-22 21:17:37,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:37,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1735349928] [2020-08-22 21:17:37,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:38,142 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:38,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:38,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:38,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:38,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:38,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:38,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:38,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 21:17:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:38,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-22 21:17:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:38,342 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 21:17:38,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1735349928] [2020-08-22 21:17:38,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:38,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 21:17:38,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540655561] [2020-08-22 21:17:38,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 21:17:38,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:38,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 21:17:38,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 21:17:38,346 INFO L87 Difference]: Start difference. First operand 252 states and 271 transitions. Second operand 10 states. [2020-08-22 21:17:38,959 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:39,280 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:17:39,543 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:17:39,837 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:40,093 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:40,379 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:41,380 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:43,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:43,301 INFO L93 Difference]: Finished difference Result 671 states and 774 transitions. [2020-08-22 21:17:43,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 21:17:43,301 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2020-08-22 21:17:43,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:43,309 INFO L225 Difference]: With dead ends: 671 [2020-08-22 21:17:43,309 INFO L226 Difference]: Without dead ends: 534 [2020-08-22 21:17:43,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:17:43,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-08-22 21:17:43,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 445. [2020-08-22 21:17:43,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-08-22 21:17:43,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 494 transitions. [2020-08-22 21:17:43,506 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 494 transitions. Word has length 158 [2020-08-22 21:17:43,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:43,507 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 494 transitions. [2020-08-22 21:17:43,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 21:17:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 494 transitions. [2020-08-22 21:17:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-08-22 21:17:43,510 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:43,511 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] [2020-08-22 21:17:43,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:17:43,511 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:43,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:43,512 INFO L82 PathProgramCache]: Analyzing trace with hash 226204253, now seen corresponding path program 1 times [2020-08-22 21:17:43,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:43,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153826096] [2020-08-22 21:17:43,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:43,819 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:43,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:43,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:43,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:43,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:43,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:43,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:43,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-22 21:17:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:43,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:43,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-08-22 21:17:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:43,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-08-22 21:17:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:43,976 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 21:17:43,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153826096] [2020-08-22 21:17:43,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:43,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 21:17:43,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557104872] [2020-08-22 21:17:43,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 21:17:43,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:43,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 21:17:43,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 21:17:43,981 INFO L87 Difference]: Start difference. First operand 445 states and 494 transitions. Second operand 7 states. [2020-08-22 21:17:44,440 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:46,149 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:46,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:46,747 INFO L93 Difference]: Finished difference Result 1113 states and 1318 transitions. [2020-08-22 21:17:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 21:17:46,748 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-08-22 21:17:46,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:46,754 INFO L225 Difference]: With dead ends: 1113 [2020-08-22 21:17:46,754 INFO L226 Difference]: Without dead ends: 783 [2020-08-22 21:17:46,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-08-22 21:17:46,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-08-22 21:17:46,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 655. [2020-08-22 21:17:46,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2020-08-22 21:17:46,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 728 transitions. [2020-08-22 21:17:46,998 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 728 transitions. Word has length 166 [2020-08-22 21:17:46,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:46,998 INFO L479 AbstractCegarLoop]: Abstraction has 655 states and 728 transitions. [2020-08-22 21:17:46,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 21:17:46,999 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 728 transitions. [2020-08-22 21:17:47,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-08-22 21:17:47,001 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:47,001 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] [2020-08-22 21:17:47,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 21:17:47,001 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:47,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:47,002 INFO L82 PathProgramCache]: Analyzing trace with hash 216605652, now seen corresponding path program 1 times [2020-08-22 21:17:47,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:47,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513246593] [2020-08-22 21:17:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:47,279 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:47,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:47,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:47,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:47,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:47,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:47,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:47,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 21:17:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:47,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-08-22 21:17:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:47,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-08-22 21:17:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:47,438 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 21:17:47,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513246593] [2020-08-22 21:17:47,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:47,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 21:17:47,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78751275] [2020-08-22 21:17:47,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 21:17:47,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:47,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 21:17:47,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 21:17:47,441 INFO L87 Difference]: Start difference. First operand 655 states and 728 transitions. Second operand 10 states. [2020-08-22 21:17:48,023 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:49,108 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:49,374 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:49,651 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:49,921 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:50,170 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:50,428 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:50,670 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:51,058 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:52,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:52,765 INFO L93 Difference]: Finished difference Result 1778 states and 2087 transitions. [2020-08-22 21:17:52,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 21:17:52,767 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-08-22 21:17:52,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:52,780 INFO L225 Difference]: With dead ends: 1778 [2020-08-22 21:17:52,781 INFO L226 Difference]: Without dead ends: 1238 [2020-08-22 21:17:52,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-08-22 21:17:52,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2020-08-22 21:17:53,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1091. [2020-08-22 21:17:53,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-08-22 21:17:53,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1217 transitions. [2020-08-22 21:17:53,082 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1217 transitions. Word has length 167 [2020-08-22 21:17:53,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:53,083 INFO L479 AbstractCegarLoop]: Abstraction has 1091 states and 1217 transitions. [2020-08-22 21:17:53,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 21:17:53,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1217 transitions. [2020-08-22 21:17:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-08-22 21:17:53,086 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:53,086 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] [2020-08-22 21:17:53,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 21:17:53,086 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:53,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:53,087 INFO L82 PathProgramCache]: Analyzing trace with hash 611019346, now seen corresponding path program 1 times [2020-08-22 21:17:53,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:53,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299201655] [2020-08-22 21:17:53,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:53,399 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:53,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:53,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:53,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:53,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:53,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:53,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:53,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:17:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:53,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:17:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:53,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-08-22 21:17:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:53,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-08-22 21:17:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:53,537 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 21:17:53,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299201655] [2020-08-22 21:17:53,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:53,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:17:53,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261207904] [2020-08-22 21:17:53,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:17:53,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:53,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:17:53,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:17:53,541 INFO L87 Difference]: Start difference. First operand 1091 states and 1217 transitions. Second operand 11 states. [2020-08-22 21:17:54,006 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:55,244 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:55,557 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:55,850 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:56,098 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:17:56,331 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:57,144 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:17:57,340 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:17:57,721 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:17:58,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:17:58,667 INFO L93 Difference]: Finished difference Result 2337 states and 2719 transitions. [2020-08-22 21:17:58,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-22 21:17:58,672 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-08-22 21:17:58,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:17:58,680 INFO L225 Difference]: With dead ends: 2337 [2020-08-22 21:17:58,681 INFO L226 Difference]: Without dead ends: 1361 [2020-08-22 21:17:58,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-08-22 21:17:58,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2020-08-22 21:17:58,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1085. [2020-08-22 21:17:58,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1085 states. [2020-08-22 21:17:58,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1205 transitions. [2020-08-22 21:17:58,966 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1205 transitions. Word has length 172 [2020-08-22 21:17:58,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:17:58,966 INFO L479 AbstractCegarLoop]: Abstraction has 1085 states and 1205 transitions. [2020-08-22 21:17:58,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:17:58,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1205 transitions. [2020-08-22 21:17:58,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-22 21:17:58,972 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:17:58,972 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:17:58,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 21:17:58,973 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:17:58,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:17:58,973 INFO L82 PathProgramCache]: Analyzing trace with hash -472762249, now seen corresponding path program 1 times [2020-08-22 21:17:58,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:17:58,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352658742] [2020-08-22 21:17:58,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:17:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,290 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:17:59,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:17:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:17:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:17:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:17:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:17:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:17:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:17:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-22 21:17:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:17:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:17:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:17:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:17:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:17:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:17:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-08-22 21:17:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-08-22 21:17:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:17:59,480 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:17:59,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352658742] [2020-08-22 21:17:59,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:17:59,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:17:59,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832171547] [2020-08-22 21:17:59,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:17:59,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:17:59,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:17:59,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:17:59,484 INFO L87 Difference]: Start difference. First operand 1085 states and 1205 transitions. Second operand 11 states. [2020-08-22 21:18:00,780 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:18:01,044 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:18:01,316 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 21:18:01,614 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:18:01,901 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:02,143 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:18:03,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:18:03,424 INFO L93 Difference]: Finished difference Result 2483 states and 2970 transitions. [2020-08-22 21:18:03,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 21:18:03,424 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-08-22 21:18:03,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:18:03,437 INFO L225 Difference]: With dead ends: 2483 [2020-08-22 21:18:03,437 INFO L226 Difference]: Without dead ends: 1513 [2020-08-22 21:18:03,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-08-22 21:18:03,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2020-08-22 21:18:03,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1117. [2020-08-22 21:18:03,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1117 states. [2020-08-22 21:18:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1237 transitions. [2020-08-22 21:18:03,818 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1237 transitions. Word has length 218 [2020-08-22 21:18:03,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:18:03,819 INFO L479 AbstractCegarLoop]: Abstraction has 1117 states and 1237 transitions. [2020-08-22 21:18:03,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:18:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1237 transitions. [2020-08-22 21:18:03,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-22 21:18:03,823 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:18:03,824 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:18:03,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 21:18:03,824 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:18:03,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:18:03,825 INFO L82 PathProgramCache]: Analyzing trace with hash 967037143, now seen corresponding path program 1 times [2020-08-22 21:18:03,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:18:03,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1430877266] [2020-08-22 21:18:03,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:18:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,102 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:18:04,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:18:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:18:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:18:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:18:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:18:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:18:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:18:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-22 21:18:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:18:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:18:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:18:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-08-22 21:18:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-08-22 21:18:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:18:04,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1430877266] [2020-08-22 21:18:04,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:18:04,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 21:18:04,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362143405] [2020-08-22 21:18:04,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 21:18:04,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:18:04,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 21:18:04,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-08-22 21:18:04,341 INFO L87 Difference]: Start difference. First operand 1117 states and 1237 transitions. Second operand 14 states. [2020-08-22 21:18:04,870 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:18:05,109 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:18:05,344 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:18:05,629 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:05,851 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:18:06,734 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:18:07,000 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:07,266 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:18:07,530 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:07,764 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:18:09,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:18:09,364 INFO L93 Difference]: Finished difference Result 2551 states and 3042 transitions. [2020-08-22 21:18:09,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 21:18:09,364 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-08-22 21:18:09,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:18:09,373 INFO L225 Difference]: With dead ends: 2551 [2020-08-22 21:18:09,374 INFO L226 Difference]: Without dead ends: 1549 [2020-08-22 21:18:09,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-08-22 21:18:09,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2020-08-22 21:18:09,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 1141. [2020-08-22 21:18:09,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1141 states. [2020-08-22 21:18:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1261 transitions. [2020-08-22 21:18:09,946 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1261 transitions. Word has length 218 [2020-08-22 21:18:09,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:18:09,946 INFO L479 AbstractCegarLoop]: Abstraction has 1141 states and 1261 transitions. [2020-08-22 21:18:09,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 21:18:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1261 transitions. [2020-08-22 21:18:09,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-22 21:18:09,951 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:18:09,951 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:18:09,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 21:18:09,952 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:18:09,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:18:09,952 INFO L82 PathProgramCache]: Analyzing trace with hash 346565396, now seen corresponding path program 1 times [2020-08-22 21:18:09,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:18:09,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1040031213] [2020-08-22 21:18:09,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:18:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,228 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:18:10,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:18:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:18:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:18:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:18:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:18:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:18:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-08-22 21:18:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-22 21:18:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:18:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:18:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:18:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-08-22 21:18:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-08-22 21:18:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:10,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:18:10,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1040031213] [2020-08-22 21:18:10,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:18:10,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 21:18:10,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175393152] [2020-08-22 21:18:10,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 21:18:10,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:18:10,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 21:18:10,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 21:18:10,493 INFO L87 Difference]: Start difference. First operand 1141 states and 1261 transitions. Second operand 8 states. [2020-08-22 21:18:11,096 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:11,674 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:14,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:18:14,735 INFO L93 Difference]: Finished difference Result 3759 states and 4568 transitions. [2020-08-22 21:18:14,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 21:18:14,736 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-08-22 21:18:14,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:18:14,751 INFO L225 Difference]: With dead ends: 3759 [2020-08-22 21:18:14,751 INFO L226 Difference]: Without dead ends: 2733 [2020-08-22 21:18:14,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-08-22 21:18:14,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2733 states. [2020-08-22 21:18:15,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2733 to 2183. [2020-08-22 21:18:15,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2183 states. [2020-08-22 21:18:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 2467 transitions. [2020-08-22 21:18:15,861 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 2467 transitions. Word has length 218 [2020-08-22 21:18:15,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:18:15,862 INFO L479 AbstractCegarLoop]: Abstraction has 2183 states and 2467 transitions. [2020-08-22 21:18:15,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 21:18:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 2467 transitions. [2020-08-22 21:18:15,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-08-22 21:18:15,867 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:18:15,867 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:18:15,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 21:18:15,868 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:18:15,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:18:15,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1445646548, now seen corresponding path program 1 times [2020-08-22 21:18:15,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:18:15,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489406517] [2020-08-22 21:18:15,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:18:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,171 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:18:16,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:18:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:18:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:18:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:18:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:18:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:18:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:18:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 21:18:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-08-22 21:18:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:18:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:18:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:18:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-08-22 21:18:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-08-22 21:18:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-22 21:18:16,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489406517] [2020-08-22 21:18:16,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:18:16,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-22 21:18:16,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479001818] [2020-08-22 21:18:16,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-22 21:18:16,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:18:16,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-22 21:18:16,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2020-08-22 21:18:16,654 INFO L87 Difference]: Start difference. First operand 2183 states and 2467 transitions. Second operand 21 states. [2020-08-22 21:18:17,200 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:17,555 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:18:17,818 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:18:18,077 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:18,425 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:18:18,663 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:19,553 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:20,343 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:20,681 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:18:21,115 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:21,418 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:18:22,968 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:23,310 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:18:23,586 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:23,890 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:18:24,183 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:24,552 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:18:24,810 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:18:25,101 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:18:25,632 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:18:26,196 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 21:18:26,760 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:18:28,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:18:28,779 INFO L93 Difference]: Finished difference Result 4708 states and 5522 transitions. [2020-08-22 21:18:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-08-22 21:18:28,780 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 223 [2020-08-22 21:18:28,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:18:28,795 INFO L225 Difference]: With dead ends: 4708 [2020-08-22 21:18:28,795 INFO L226 Difference]: Without dead ends: 2640 [2020-08-22 21:18:28,803 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=793, Invalid=3367, Unknown=0, NotChecked=0, Total=4160 [2020-08-22 21:18:28,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2020-08-22 21:18:29,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 2109. [2020-08-22 21:18:29,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2020-08-22 21:18:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2353 transitions. [2020-08-22 21:18:29,547 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2353 transitions. Word has length 223 [2020-08-22 21:18:29,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:18:29,548 INFO L479 AbstractCegarLoop]: Abstraction has 2109 states and 2353 transitions. [2020-08-22 21:18:29,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-22 21:18:29,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2353 transitions. [2020-08-22 21:18:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-08-22 21:18:29,553 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:18:29,554 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:18:29,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 21:18:29,554 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:18:29,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:18:29,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1177290011, now seen corresponding path program 1 times [2020-08-22 21:18:29,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:18:29,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719748168] [2020-08-22 21:18:29,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:18:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,815 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:18:29,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:18:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:18:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:18:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:18:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:18:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:18:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:18:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:18:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:18:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:18:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:18:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 21:18:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-08-22 21:18:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 21:18:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-08-22 21:18:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-08-22 21:18:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:29,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-08-22 21:18:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-08-22 21:18:30,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719748168] [2020-08-22 21:18:30,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:18:30,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 21:18:30,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754844973] [2020-08-22 21:18:30,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 21:18:30,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:18:30,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 21:18:30,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-08-22 21:18:30,020 INFO L87 Difference]: Start difference. First operand 2109 states and 2353 transitions. Second operand 9 states. [2020-08-22 21:18:30,475 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:33,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:18:33,741 INFO L93 Difference]: Finished difference Result 4101 states and 4883 transitions. [2020-08-22 21:18:33,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-22 21:18:33,742 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2020-08-22 21:18:33,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:18:33,765 INFO L225 Difference]: With dead ends: 4101 [2020-08-22 21:18:33,765 INFO L226 Difference]: Without dead ends: 4098 [2020-08-22 21:18:33,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2020-08-22 21:18:33,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2020-08-22 21:18:34,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3201. [2020-08-22 21:18:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3201 states. [2020-08-22 21:18:34,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 3201 states and 3579 transitions. [2020-08-22 21:18:34,978 INFO L78 Accepts]: Start accepts. Automaton has 3201 states and 3579 transitions. Word has length 271 [2020-08-22 21:18:34,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:18:34,979 INFO L479 AbstractCegarLoop]: Abstraction has 3201 states and 3579 transitions. [2020-08-22 21:18:34,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 21:18:34,980 INFO L276 IsEmpty]: Start isEmpty. Operand 3201 states and 3579 transitions. [2020-08-22 21:18:34,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-08-22 21:18:34,998 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:18:34,998 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:18:34,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 21:18:34,998 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:18:34,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:18:34,999 INFO L82 PathProgramCache]: Analyzing trace with hash 855560626, now seen corresponding path program 1 times [2020-08-22 21:18:34,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:18:34,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1131301549] [2020-08-22 21:18:34,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:18:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,293 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:18:35,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:18:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:18:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:18:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:18:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:18:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:18:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:18:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:18:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:18:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:18:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:18:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 21:18:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-08-22 21:18:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-22 21:18:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:18:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 21:18:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-22 21:18:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:18:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-08-22 21:18:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-08-22 21:18:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:18:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2020-08-22 21:18:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-08-22 21:18:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:18:35,604 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 58 proven. 27 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-08-22 21:18:35,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1131301549] [2020-08-22 21:18:35,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:18:35,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 21:18:35,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217457140] [2020-08-22 21:18:35,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 21:18:35,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:18:35,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 21:18:35,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-08-22 21:18:35,607 INFO L87 Difference]: Start difference. First operand 3201 states and 3579 transitions. Second operand 12 states. [2020-08-22 21:18:36,144 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:36,907 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:40,781 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:18:43,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:18:43,130 INFO L93 Difference]: Finished difference Result 8906 states and 10528 transitions. [2020-08-22 21:18:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-08-22 21:18:43,131 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 329 [2020-08-22 21:18:43,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:18:43,165 INFO L225 Difference]: With dead ends: 8906 [2020-08-22 21:18:43,165 INFO L226 Difference]: Without dead ends: 6285 [2020-08-22 21:18:43,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=452, Invalid=1440, Unknown=0, NotChecked=0, Total=1892 [2020-08-22 21:18:43,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6285 states. [2020-08-22 21:18:44,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6285 to 4725. [2020-08-22 21:18:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4725 states. [2020-08-22 21:18:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4725 states to 4725 states and 5285 transitions. [2020-08-22 21:18:44,831 INFO L78 Accepts]: Start accepts. Automaton has 4725 states and 5285 transitions. Word has length 329 [2020-08-22 21:18:44,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:18:44,832 INFO L479 AbstractCegarLoop]: Abstraction has 4725 states and 5285 transitions. [2020-08-22 21:18:44,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 21:18:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 4725 states and 5285 transitions. [2020-08-22 21:18:44,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-08-22 21:18:44,842 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:18:44,842 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 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] [2020-08-22 21:18:44,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 21:18:44,842 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:18:44,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:18:44,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1466953620, now seen corresponding path program 1 times [2020-08-22 21:18:44,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:18:44,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181945093] [2020-08-22 21:18:44,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:18:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:18:44,912 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:18:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:18:44,972 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:18:45,344 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 21:18:45,345 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 21:18:45,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 21:18:45,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:18:45 BoogieIcfgContainer [2020-08-22 21:18:45,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 21:18:45,835 INFO L168 Benchmark]: Toolchain (without parser) took 74987.53 ms. Allocated memory was 138.9 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 102.1 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-08-22 21:18:45,837 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 21:18:45,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.31 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.9 MB in the beginning and 169.4 MB in the end (delta: -67.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-08-22 21:18:45,842 INFO L168 Benchmark]: Boogie Preprocessor took 84.95 ms. Allocated memory is still 202.9 MB. Free memory was 169.4 MB in the beginning and 165.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-22 21:18:45,843 INFO L168 Benchmark]: RCFGBuilder took 1211.11 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.4 MB in the beginning and 173.7 MB in the end (delta: -8.3 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2020-08-22 21:18:45,844 INFO L168 Benchmark]: TraceAbstraction took 73016.31 ms. Allocated memory was 236.5 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 173.7 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-08-22 21:18:45,850 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 670.31 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.9 MB in the beginning and 169.4 MB in the end (delta: -67.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.95 ms. Allocated memory is still 202.9 MB. Free memory was 169.4 MB in the beginning and 165.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1211.11 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.4 MB in the beginning and 173.7 MB in the end (delta: -8.3 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 73016.31 ms. Allocated memory was 236.5 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 173.7 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 946]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=174, head={177:162}, methAndRunningLastTime=166, methaneLevelCritical=141, pumpRunning=132, systemActive=131, waterLevel=1] [L48] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=174, head={177:162}, methAndRunningLastTime=166, methaneLevelCritical=0, pumpRunning=132, systemActive=131, waterLevel=1] [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=174, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=174, head={0:0}, methAndRunningLastTime=166, methaneLevelCritical=0, pumpRunning=132, systemActive=131, waterLevel=1] [L507] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=174, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=166, methaneLevelCritical=0, pumpRunning=132, systemActive=131, waterLevel=1] [L648] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=174, \old(head)=162, \old(head)=177, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=132, systemActive=131, waterLevel=1] [L757] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=131, waterLevel=1] [L758] int systemActive = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=177, \old(head)=162, \old(methAndRunningLastTime)=166, \old(methaneLevelCritical)=141, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L588] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L589] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L593] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L594] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L595] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L637] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L640] retValue_acc = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L641] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L595] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L595] tmp = valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L597] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L599] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L600] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L578] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L653] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L578] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L579] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L689] int splverifierCounter ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L690] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L691] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L692] int tmp___1 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L693] int tmp___2 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L696] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L698] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L700] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L706] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L708] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L710] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L66] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L710] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L716] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L718] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L726] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L728] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L764] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L771] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L773] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L793] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L796] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L908] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L909] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L910] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L914] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L134] retValue_acc = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L135] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L914] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L914] tmp = isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L916] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L919] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L921] retValue_acc = tmp___0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L922] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L798] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] tmp = isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L800] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L802] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L827] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L831] CALL, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L852] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L856] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L89] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L856] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L856] retValue_acc = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L858] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L831] RET, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L831] tmp = isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L833] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L837] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L821] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L837] RET activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L802] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L773] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L779] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L658] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L89] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L663] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L665] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L681] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L779] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L743] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L698] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L700] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L706] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L708] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L716] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L718] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L720] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L80] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L720] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L726] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L728] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L764] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L766] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L766] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L771] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L773] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L793] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L796] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L811] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L773] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L779] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L658] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L89] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L663] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L665] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L667] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L863] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L866] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L867] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L667] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L667] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L669] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L670] COND FALSE !(\read(methAndRunningLastTime)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L675] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L779] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L743] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L698] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L700] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L706] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L708] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L716] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L718] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L726] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L728] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L764] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L766] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L53] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L766] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L771] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L773] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L793] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L796] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L811] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L773] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L779] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L658] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L86] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L89] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L663] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L665] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L667] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L863] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L866] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L867] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L667] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L667] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L669] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L670] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L672] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L946] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 630 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 72.4s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 58.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3137 SDtfs, 9807 SDslu, 6830 SDs, 0 SdLazy, 15221 SolverSat, 2920 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 723 GetRequests, 425 SyntacticMatches, 10 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2412 ImplicationChecksByTransitivity, 23.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4725occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 5081 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 2767 NumberOfCodeBlocks, 2767 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2425 ConstructedInterpolants, 0 QuantifiedInterpolants, 1239423 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 175/207 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...