/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:40:45,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:40:45,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:40:45,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:40:45,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:40:45,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:40:45,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:40:45,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:40:45,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:40:45,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:40:45,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:40:45,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:40:45,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:40:45,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:40:45,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:40:45,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:40:45,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:40:45,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:40:45,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:40:45,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:40:45,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:40:45,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:40:45,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:40:45,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:40:45,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:40:45,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:40:45,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:40:45,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:40:45,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:40:45,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:40:45,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:40:45,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:40:45,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:40:45,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:40:45,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:40:45,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:40:45,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:40:45,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:40:45,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:40:45,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:40:45,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:40:45,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 16:40:45,891 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:40:45,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:40:45,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:40:45,893 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:40:45,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:40:45,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:40:45,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:40:45,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:40:45,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:40:45,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:40:45,894 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:40:45,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:40:45,895 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:40:45,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:40:45,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:40:45,899 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:40:45,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:40:45,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:40:45,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:40:45,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:40:45,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:40:45,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:40:45,901 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 [2020-07-17 16:40:46,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:40:46,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:40:46,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:40:46,193 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:40:46,194 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:40:46,195 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product39.cil.c [2020-07-17 16:40:46,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc3d2b93/8d18ba414e8b4824b9b19f67eb3c9bea/FLAG27359ac2f [2020-07-17 16:40:46,839 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:40:46,839 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product39.cil.c [2020-07-17 16:40:46,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc3d2b93/8d18ba414e8b4824b9b19f67eb3c9bea/FLAG27359ac2f [2020-07-17 16:40:47,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc3d2b93/8d18ba414e8b4824b9b19f67eb3c9bea [2020-07-17 16:40:47,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:40:47,133 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:40:47,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:40:47,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:40:47,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:40:47,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:40:47" (1/1) ... [2020-07-17 16:40:47,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351ff605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:47, skipping insertion in model container [2020-07-17 16:40:47,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:40:47" (1/1) ... [2020-07-17 16:40:47,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:40:47,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:40:47,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:40:47,602 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:40:47,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:40:47,789 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:40:47,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:47 WrapperNode [2020-07-17 16:40:47,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:40:47,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:40:47,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:40:47,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:40:47,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:47" (1/1) ... [2020-07-17 16:40:47,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:47" (1/1) ... [2020-07-17 16:40:47,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:47" (1/1) ... [2020-07-17 16:40:47,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:47" (1/1) ... [2020-07-17 16:40:47,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:47" (1/1) ... [2020-07-17 16:40:47,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:47" (1/1) ... [2020-07-17 16:40:47,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:47" (1/1) ... [2020-07-17 16:40:47,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:40:47,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:40:47,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:40:47,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:40:47,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:40:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:40:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:40:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:40:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:40:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:40:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:40:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:40:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:40:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:40:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:40:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:40:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:40:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:40:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:40:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:40:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:40:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 16:40:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:40:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:40:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:40:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:40:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:40:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:40:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 16:40:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 16:40:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:40:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:40:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:40:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:40:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:40:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:40:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:40:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 16:40:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:40:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:40:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:40:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:40:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:40:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-17 16:40:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:40:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:40:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:40:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:40:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:40:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:40:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:40:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:40:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:40:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:40:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:40:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:40:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:40:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:40:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:40:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:40:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:40:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:40:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:40:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:40:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:40:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:40:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:40:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:40:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:40:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:40:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 16:40:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:40:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:40:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:40:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:40:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:40:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:40:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 16:40:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:40:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:40:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:40:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:40:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-17 16:40:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:40:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:40:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 16:40:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 16:40:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:40:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:40:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:40:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:40:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:40:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:40:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:40:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:40:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:40:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:40:49,196 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:40:49,197 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:40:49,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:40:49 BoogieIcfgContainer [2020-07-17 16:40:49,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:40:49,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:40:49,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:40:49,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:40:49,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:40:47" (1/3) ... [2020-07-17 16:40:49,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c13785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:40:49, skipping insertion in model container [2020-07-17 16:40:49,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:47" (2/3) ... [2020-07-17 16:40:49,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c13785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:40:49, skipping insertion in model container [2020-07-17 16:40:49,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:40:49" (3/3) ... [2020-07-17 16:40:49,211 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product39.cil.c [2020-07-17 16:40:49,219 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:40:49,227 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:40:49,237 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:40:49,256 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:40:49,256 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:40:49,256 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:40:49,256 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:40:49,257 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:40:49,257 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:40:49,257 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:40:49,257 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:40:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2020-07-17 16:40:49,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-17 16:40:49,300 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:49,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:40:49,302 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:49,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:49,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1206638140, now seen corresponding path program 1 times [2020-07-17 16:40:49,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:49,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2045684119] [2020-07-17 16:40:49,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,029 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:50,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2045684119] [2020-07-17 16:40:50,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:50,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:40:50,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669386831] [2020-07-17 16:40:50,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:40:50,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:50,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:40:50,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:40:50,244 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2020-07-17 16:40:51,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:51,611 INFO L93 Difference]: Finished difference Result 491 states and 585 transitions. [2020-07-17 16:40:51,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:40:51,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-17 16:40:51,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:51,630 INFO L225 Difference]: With dead ends: 491 [2020-07-17 16:40:51,630 INFO L226 Difference]: Without dead ends: 304 [2020-07-17 16:40:51,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:40:51,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-07-17 16:40:51,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 261. [2020-07-17 16:40:51,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-07-17 16:40:51,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 284 transitions. [2020-07-17 16:40:51,771 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 284 transitions. Word has length 142 [2020-07-17 16:40:51,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:40:51,772 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 284 transitions. [2020-07-17 16:40:51,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:40:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 284 transitions. [2020-07-17 16:40:51,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-17 16:40:51,777 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:51,778 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:40:51,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:40:51,778 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:51,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:51,779 INFO L82 PathProgramCache]: Analyzing trace with hash 965995347, now seen corresponding path program 1 times [2020-07-17 16:40:51,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:51,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788582123] [2020-07-17 16:40:51,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:52,190 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:52,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788582123] [2020-07-17 16:40:52,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:52,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:40:52,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653388798] [2020-07-17 16:40:52,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:40:52,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:52,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:40:52,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:40:52,269 INFO L87 Difference]: Start difference. First operand 261 states and 284 transitions. Second operand 4 states. [2020-07-17 16:40:52,851 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:40:53,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:53,815 INFO L93 Difference]: Finished difference Result 402 states and 452 transitions. [2020-07-17 16:40:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:40:53,816 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-07-17 16:40:53,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:53,821 INFO L225 Difference]: With dead ends: 402 [2020-07-17 16:40:53,821 INFO L226 Difference]: Without dead ends: 287 [2020-07-17 16:40:53,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:40:53,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-07-17 16:40:53,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 251. [2020-07-17 16:40:53,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-07-17 16:40:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 271 transitions. [2020-07-17 16:40:53,897 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 271 transitions. Word has length 143 [2020-07-17 16:40:53,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:40:53,898 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 271 transitions. [2020-07-17 16:40:53,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:40:53,898 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 271 transitions. [2020-07-17 16:40:53,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-17 16:40:53,901 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:53,901 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] [2020-07-17 16:40:53,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:40:53,902 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:53,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:53,902 INFO L82 PathProgramCache]: Analyzing trace with hash 67671664, now seen corresponding path program 1 times [2020-07-17 16:40:53,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:53,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178050552] [2020-07-17 16:40:53,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:54,213 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:54,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:54,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178050552] [2020-07-17 16:40:54,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:54,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:40:54,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803352905] [2020-07-17 16:40:54,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:40:54,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:54,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:40:54,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:40:54,418 INFO L87 Difference]: Start difference. First operand 251 states and 271 transitions. Second operand 9 states. [2020-07-17 16:40:54,925 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:40:55,291 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:40:55,526 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:40:55,800 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:56,042 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:56,267 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:57,177 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:40:59,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:59,342 INFO L93 Difference]: Finished difference Result 664 states and 764 transitions. [2020-07-17 16:40:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 16:40:59,343 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2020-07-17 16:40:59,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:59,348 INFO L225 Difference]: With dead ends: 664 [2020-07-17 16:40:59,348 INFO L226 Difference]: Without dead ends: 523 [2020-07-17 16:40:59,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-07-17 16:40:59,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2020-07-17 16:40:59,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 456. [2020-07-17 16:40:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2020-07-17 16:40:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 510 transitions. [2020-07-17 16:40:59,509 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 510 transitions. Word has length 152 [2020-07-17 16:40:59,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:40:59,510 INFO L479 AbstractCegarLoop]: Abstraction has 456 states and 510 transitions. [2020-07-17 16:40:59,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:40:59,510 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 510 transitions. [2020-07-17 16:40:59,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-17 16:40:59,513 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:59,513 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] [2020-07-17 16:40:59,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:40:59,514 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:59,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:59,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1856383956, now seen corresponding path program 1 times [2020-07-17 16:40:59,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:59,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [518297887] [2020-07-17 16:40:59,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:59,946 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:41:00,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [518297887] [2020-07-17 16:41:00,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:41:00,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-17 16:41:00,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168648963] [2020-07-17 16:41:00,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 16:41:00,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:00,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 16:41:00,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:41:00,243 INFO L87 Difference]: Start difference. First operand 456 states and 510 transitions. Second operand 14 states. [2020-07-17 16:41:00,732 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:01,109 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:01,385 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:01,678 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:01,944 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:02,182 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:02,827 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:04,149 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:04,480 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:04,883 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:05,224 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:05,503 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:05,740 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:05,993 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:06,286 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:06,515 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:06,908 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:07,236 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:07,501 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:07,837 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:09,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:09,544 INFO L93 Difference]: Finished difference Result 1576 states and 1979 transitions. [2020-07-17 16:41:09,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-17 16:41:09,546 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 161 [2020-07-17 16:41:09,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:09,556 INFO L225 Difference]: With dead ends: 1576 [2020-07-17 16:41:09,556 INFO L226 Difference]: Without dead ends: 1230 [2020-07-17 16:41:09,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-07-17 16:41:09,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2020-07-17 16:41:09,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1095. [2020-07-17 16:41:09,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2020-07-17 16:41:09,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1295 transitions. [2020-07-17 16:41:09,979 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1295 transitions. Word has length 161 [2020-07-17 16:41:09,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:09,980 INFO L479 AbstractCegarLoop]: Abstraction has 1095 states and 1295 transitions. [2020-07-17 16:41:09,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 16:41:09,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1295 transitions. [2020-07-17 16:41:09,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-17 16:41:09,985 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:09,985 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] [2020-07-17 16:41:09,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:41:09,985 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:09,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:09,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1830771564, now seen corresponding path program 1 times [2020-07-17 16:41:09,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:09,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77159903] [2020-07-17 16:41:09,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,304 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:41:10,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77159903] [2020-07-17 16:41:10,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:41:10,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 16:41:10,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086649014] [2020-07-17 16:41:10,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 16:41:10,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:10,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 16:41:10,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 16:41:10,452 INFO L87 Difference]: Start difference. First operand 1095 states and 1295 transitions. Second operand 6 states. [2020-07-17 16:41:11,112 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:13,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:13,691 INFO L93 Difference]: Finished difference Result 2528 states and 3176 transitions. [2020-07-17 16:41:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 16:41:13,692 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-07-17 16:41:13,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:13,706 INFO L225 Difference]: With dead ends: 2528 [2020-07-17 16:41:13,706 INFO L226 Difference]: Without dead ends: 1543 [2020-07-17 16:41:13,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:41:13,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2020-07-17 16:41:14,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1420. [2020-07-17 16:41:14,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1420 states. [2020-07-17 16:41:14,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 1676 transitions. [2020-07-17 16:41:14,262 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 1676 transitions. Word has length 166 [2020-07-17 16:41:14,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:14,262 INFO L479 AbstractCegarLoop]: Abstraction has 1420 states and 1676 transitions. [2020-07-17 16:41:14,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 16:41:14,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1676 transitions. [2020-07-17 16:41:14,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-07-17 16:41:14,267 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:14,268 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:14,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:41:14,268 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:14,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:14,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1034967707, now seen corresponding path program 1 times [2020-07-17 16:41:14,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:14,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744617884] [2020-07-17 16:41:14,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,558 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:14,761 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-17 16:41:14,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744617884] [2020-07-17 16:41:14,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:14,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-17 16:41:14,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211740181] [2020-07-17 16:41:14,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 16:41:14,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:14,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 16:41:14,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:41:14,770 INFO L87 Difference]: Start difference. First operand 1420 states and 1676 transitions. Second operand 11 states. [2020-07-17 16:41:15,293 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:17,274 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:17,516 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:17,775 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:18,072 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:18,315 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:19,001 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:19,235 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:19,554 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:20,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:20,282 INFO L93 Difference]: Finished difference Result 1584 states and 1921 transitions. [2020-07-17 16:41:20,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 16:41:20,283 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 205 [2020-07-17 16:41:20,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:20,291 INFO L225 Difference]: With dead ends: 1584 [2020-07-17 16:41:20,292 INFO L226 Difference]: Without dead ends: 1581 [2020-07-17 16:41:20,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-07-17 16:41:20,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2020-07-17 16:41:20,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1429. [2020-07-17 16:41:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2020-07-17 16:41:20,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1684 transitions. [2020-07-17 16:41:20,667 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1684 transitions. Word has length 205 [2020-07-17 16:41:20,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:20,667 INFO L479 AbstractCegarLoop]: Abstraction has 1429 states and 1684 transitions. [2020-07-17 16:41:20,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 16:41:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1684 transitions. [2020-07-17 16:41:20,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-07-17 16:41:20,677 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:20,678 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 16:41:20,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:41:20,678 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:20,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:20,679 INFO L82 PathProgramCache]: Analyzing trace with hash 334833513, now seen corresponding path program 1 times [2020-07-17 16:41:20,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:20,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467576038] [2020-07-17 16:41:20,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,933 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:21,192 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-17 16:41:21,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467576038] [2020-07-17 16:41:21,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:21,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-17 16:41:21,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299704369] [2020-07-17 16:41:21,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 16:41:21,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:21,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 16:41:21,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-07-17 16:41:21,194 INFO L87 Difference]: Start difference. First operand 1429 states and 1684 transitions. Second operand 13 states. [2020-07-17 16:41:22,284 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:22,744 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:22,982 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:23,236 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:41:23,499 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:23,756 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:23,976 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:25,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:25,590 INFO L93 Difference]: Finished difference Result 2379 states and 2890 transitions. [2020-07-17 16:41:25,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-17 16:41:25,590 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 276 [2020-07-17 16:41:25,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:25,596 INFO L225 Difference]: With dead ends: 2379 [2020-07-17 16:41:25,596 INFO L226 Difference]: Without dead ends: 786 [2020-07-17 16:41:25,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2020-07-17 16:41:25,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-07-17 16:41:25,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 697. [2020-07-17 16:41:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-07-17 16:41:25,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 797 transitions. [2020-07-17 16:41:25,904 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 797 transitions. Word has length 276 [2020-07-17 16:41:25,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:25,904 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 797 transitions. [2020-07-17 16:41:25,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 16:41:25,905 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 797 transitions. [2020-07-17 16:41:25,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-07-17 16:41:25,915 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:25,915 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:25,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 16:41:25,916 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:25,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:25,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1108494821, now seen corresponding path program 1 times [2020-07-17 16:41:25,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:25,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361350719] [2020-07-17 16:41:25,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,245 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-17 16:41:26,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361350719] [2020-07-17 16:41:26,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:26,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-17 16:41:26,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417448764] [2020-07-17 16:41:26,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 16:41:26,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:26,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 16:41:26,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:41:26,643 INFO L87 Difference]: Start difference. First operand 697 states and 797 transitions. Second operand 11 states. [2020-07-17 16:41:27,258 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-17 16:41:27,846 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:29,662 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-17 16:41:31,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:31,812 INFO L93 Difference]: Finished difference Result 1333 states and 1617 transitions. [2020-07-17 16:41:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-17 16:41:31,813 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 270 [2020-07-17 16:41:31,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:31,820 INFO L225 Difference]: With dead ends: 1333 [2020-07-17 16:41:31,820 INFO L226 Difference]: Without dead ends: 899 [2020-07-17 16:41:31,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=154, Invalid=548, Unknown=0, NotChecked=0, Total=702 [2020-07-17 16:41:31,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-07-17 16:41:32,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 826. [2020-07-17 16:41:32,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 826 states. [2020-07-17 16:41:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 953 transitions. [2020-07-17 16:41:32,348 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 953 transitions. Word has length 270 [2020-07-17 16:41:32,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:32,349 INFO L479 AbstractCegarLoop]: Abstraction has 826 states and 953 transitions. [2020-07-17 16:41:32,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 16:41:32,350 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 953 transitions. [2020-07-17 16:41:32,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-07-17 16:41:32,359 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:32,360 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:32,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 16:41:32,360 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:32,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:32,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1369825411, now seen corresponding path program 1 times [2020-07-17 16:41:32,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:32,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107537503] [2020-07-17 16:41:32,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,689 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-17 16:41:32,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107537503] [2020-07-17 16:41:32,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:32,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-07-17 16:41:32,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883357107] [2020-07-17 16:41:32,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 16:41:32,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:32,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 16:41:32,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:41:32,991 INFO L87 Difference]: Start difference. First operand 826 states and 953 transitions. Second operand 14 states. [2020-07-17 16:41:33,489 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:33,720 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:33,953 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:34,180 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:34,401 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:35,124 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:35,419 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:35,656 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:35,912 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:36,140 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:37,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:37,480 INFO L93 Difference]: Finished difference Result 1497 states and 1782 transitions. [2020-07-17 16:41:37,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 16:41:37,481 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 260 [2020-07-17 16:41:37,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:37,486 INFO L225 Difference]: With dead ends: 1497 [2020-07-17 16:41:37,486 INFO L226 Difference]: Without dead ends: 781 [2020-07-17 16:41:37,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-07-17 16:41:37,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-07-17 16:41:37,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 736. [2020-07-17 16:41:37,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 736 states. [2020-07-17 16:41:37,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 835 transitions. [2020-07-17 16:41:37,727 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 835 transitions. Word has length 260 [2020-07-17 16:41:37,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:37,728 INFO L479 AbstractCegarLoop]: Abstraction has 736 states and 835 transitions. [2020-07-17 16:41:37,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 16:41:37,728 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 835 transitions. [2020-07-17 16:41:37,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-07-17 16:41:37,733 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:37,733 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:37,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 16:41:37,734 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:37,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:37,734 INFO L82 PathProgramCache]: Analyzing trace with hash 457192745, now seen corresponding path program 1 times [2020-07-17 16:41:37,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:37,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107432153] [2020-07-17 16:41:37,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,095 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:38,322 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-17 16:41:38,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107432153] [2020-07-17 16:41:38,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:38,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-17 16:41:38,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165259772] [2020-07-17 16:41:38,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 16:41:38,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:38,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 16:41:38,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-17 16:41:38,325 INFO L87 Difference]: Start difference. First operand 736 states and 835 transitions. Second operand 13 states. [2020-07-17 16:41:38,762 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:39,470 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:40,520 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:40,770 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:41,023 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:41,271 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:41,518 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:41,842 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:42,081 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:42,343 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:42,631 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:42,882 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:44,338 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:44,572 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:45,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:45,620 INFO L93 Difference]: Finished difference Result 1658 states and 1991 transitions. [2020-07-17 16:41:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-17 16:41:45,620 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 265 [2020-07-17 16:41:45,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:45,628 INFO L225 Difference]: With dead ends: 1658 [2020-07-17 16:41:45,628 INFO L226 Difference]: Without dead ends: 1118 [2020-07-17 16:41:45,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 51 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=363, Invalid=897, Unknown=0, NotChecked=0, Total=1260 [2020-07-17 16:41:45,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2020-07-17 16:41:45,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 975. [2020-07-17 16:41:45,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states. [2020-07-17 16:41:45,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1122 transitions. [2020-07-17 16:41:45,929 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1122 transitions. Word has length 265 [2020-07-17 16:41:45,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:45,930 INFO L479 AbstractCegarLoop]: Abstraction has 975 states and 1122 transitions. [2020-07-17 16:41:45,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 16:41:45,930 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1122 transitions. [2020-07-17 16:41:45,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-07-17 16:41:45,934 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:45,934 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:45,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 16:41:45,935 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:45,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:45,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1481542736, now seen corresponding path program 2 times [2020-07-17 16:41:45,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:45,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2119224760] [2020-07-17 16:41:45,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:41:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:41:46,529 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:41:46,529 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:41:46,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 16:41:46,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:41:46 BoogieIcfgContainer [2020-07-17 16:41:46,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:41:46,828 INFO L168 Benchmark]: Toolchain (without parser) took 59695.75 ms. Allocated memory was 145.2 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 102.2 MB in the beginning and 617.3 MB in the end (delta: -515.1 MB). Peak memory consumption was 601.7 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:46,829 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 16:41:46,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.73 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 101.8 MB in the beginning and 170.8 MB in the end (delta: -69.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:46,830 INFO L168 Benchmark]: Boogie Preprocessor took 89.27 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:46,831 INFO L168 Benchmark]: RCFGBuilder took 1323.91 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 166.8 MB in the beginning and 173.9 MB in the end (delta: -7.1 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:46,832 INFO L168 Benchmark]: TraceAbstraction took 57621.66 ms. Allocated memory was 235.9 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 173.9 MB in the beginning and 617.3 MB in the end (delta: -443.4 MB). Peak memory consumption was 582.7 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:46,834 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.73 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 101.8 MB in the beginning and 170.8 MB in the end (delta: -69.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.27 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1323.91 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 166.8 MB in the beginning and 173.9 MB in the end (delta: -7.1 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 57621.66 ms. Allocated memory was 235.9 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 173.9 MB in the beginning and 617.3 MB in the end (delta: -443.4 MB). Peak memory consumption was 582.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 722]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=170, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=140, cleanupTimeShifts=170, head={0:0}, methaneLevelCritical=146, pumpRunning=138, systemActive=137, waterLevel=140] [L524] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=170, \old(head)=163, \old(head)=176, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=140, cleanupTimeShifts=170, head={0:0}, methaneLevelCritical=146, pumpRunning=0, systemActive=137, waterLevel=140] [L525] int systemActive = 1; VAL [\old(cleanupTimeShifts)=170, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=140, cleanupTimeShifts=170, head={0:0}, methaneLevelCritical=146, pumpRunning=0, systemActive=1, waterLevel=140] [L728] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=170, \old(head)=163, \old(head)=176, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=140, cleanupTimeShifts=170, head={0:0}, methaneLevelCritical=146, pumpRunning=0, systemActive=1, waterLevel=1] [L729] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=170, \old(head)=163, \old(head)=176, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=140, cleanupTimeShifts=170, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L822] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=170, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L900] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L901] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L72] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L902] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L902] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L904] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L906] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L907] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L450] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L451] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L452] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L453] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L454] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L457] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L459] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L461] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L467] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L469] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L471] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L746] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L747] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L471] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L477] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L479] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L487] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L489] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L504] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L532] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L539] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L541] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L587] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L590] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L605] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L561] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L564] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L566] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L684] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L685] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L686] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L690] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L808] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L811] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L815] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L816] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L690] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L690] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L692] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L695] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L697] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L698] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L566] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L566] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L568] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L570] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L615] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L570] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L605] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L541] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L547] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L919] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L920] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L924] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L799] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L802] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L803] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L924] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L924] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L926] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L547] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L504] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L459] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L461] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L467] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L469] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L477] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L479] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L487] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L489] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L504] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L532] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L534] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L734] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L735] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L534] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L539] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L541] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L587] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L590] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L592] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L628] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L632] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L767] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L770] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L771] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L632] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L632] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L634] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L592] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L592] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L594] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L600] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L561] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L564] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L579] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L600] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L541] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L547] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L919] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L920] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L924] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L799] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L802] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L803] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L924] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L924] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L926] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L547] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L504] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L459] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L461] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L467] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L469] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L477] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L479] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L487] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L489] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L504] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L532] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L534] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L734] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L735] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L534] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L539] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L541] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L587] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L590] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L592] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L628] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L632] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L767] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L770] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L771] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L632] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L632] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L634] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L592] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L592] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L594] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L600] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L561] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L564] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L579] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L600] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L541] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L547] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L919] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L920] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L924] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L799] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L802] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L803] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L924] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L924] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L926] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L928] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L639] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L642] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L643] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L928] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L928] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L930] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L932] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L722] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 624 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 57.2s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 47.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2529 SDtfs, 6212 SDslu, 5852 SDs, 0 SdLazy, 13167 SolverSat, 2057 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 532 GetRequests, 335 SyntacticMatches, 8 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 20.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1429occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 906 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 2375 NumberOfCodeBlocks, 2375 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2030 ConstructedInterpolants, 0 QuantifiedInterpolants, 1031082 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 194/225 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...