/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_spec1_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:25:10,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:25:10,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:25:10,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:25:10,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:25:10,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:25:10,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:25:10,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:25:10,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:25:10,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:25:10,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:25:10,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:25:10,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:25:10,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:25:10,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:25:10,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:25:10,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:25:10,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:25:10,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:25:10,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:25:10,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:25:10,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:25:10,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:25:10,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:25:10,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:25:10,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:25:10,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:25:10,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:25:10,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:25:10,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:25:10,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:25:10,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:25:10,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:25:10,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:25:10,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:25:10,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:25:10,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:25:10,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:25:10,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:25:10,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:25:10,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:25:10,935 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 16:25:10,949 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:25:10,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:25:10,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:25:10,951 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:25:10,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:25:10,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:25:10,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:25:10,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:25:10,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:25:10,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:25:10,953 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:25:10,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:25:10,954 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:25:10,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:25:10,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:25:10,955 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:25:10,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:25:10,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:25:10,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:25:10,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:25:10,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:25:10,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:25:10,956 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 16:25:11,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:25:11,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:25:11,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:25:11,244 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:25:11,244 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:25:11,245 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product43.cil.c [2020-07-17 16:25:11,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc58fef5d/ce25e297807a405bbf84716d25435e05/FLAG5419f84e2 [2020-07-17 16:25:11,880 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:25:11,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product43.cil.c [2020-07-17 16:25:11,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc58fef5d/ce25e297807a405bbf84716d25435e05/FLAG5419f84e2 [2020-07-17 16:25:12,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc58fef5d/ce25e297807a405bbf84716d25435e05 [2020-07-17 16:25:12,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:25:12,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:25:12,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:25:12,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:25:12,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:25:12,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:25:12" (1/1) ... [2020-07-17 16:25:12,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@776a4eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:25:12, skipping insertion in model container [2020-07-17 16:25:12,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:25:12" (1/1) ... [2020-07-17 16:25:12,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:25:12,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:25:12,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:25:12,788 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:25:12,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:25:12,892 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:25:12,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:25:12 WrapperNode [2020-07-17 16:25:12,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:25:12,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:25:12,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:25:12,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:25:12,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:25:12" (1/1) ... [2020-07-17 16:25:12,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:25:12" (1/1) ... [2020-07-17 16:25:12,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:25:12" (1/1) ... [2020-07-17 16:25:12,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:25:12" (1/1) ... [2020-07-17 16:25:12,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:25:12" (1/1) ... [2020-07-17 16:25:12,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:25:12" (1/1) ... [2020-07-17 16:25:12,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:25:12" (1/1) ... [2020-07-17 16:25:12,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:25:12,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:25:12,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:25:12,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:25:12,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:25:12" (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 16:25:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:25:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:25:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:25:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:25:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:25:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:25:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:25:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:25:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:25:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 16:25:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:25:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:25:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:25:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-17 16:25:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:25:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:25:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:25:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:25:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:25:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 16:25:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 16:25:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:25:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:25:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-17 16:25:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:25:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:25:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:25:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:25:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:25:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:25:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:25:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:25:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:25:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:25:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:25:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:25:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:25:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:25:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:25:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:25:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:25:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:25:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:25:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:25:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:25:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:25:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:25:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:25:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 16:25:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:25:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:25:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:25:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:25:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:25:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:25:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 16:25:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-17 16:25:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:25:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:25:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 16:25:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-17 16:25:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:25:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:25:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:25:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:25:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:25:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:25:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:25:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:25:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:25:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:25:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:25:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:25:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:25:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:25:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:25:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:25:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:25:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:25:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:25:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:25:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:25:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:25:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:25:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:25:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:25:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:25:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:25:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:25:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:25:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:25:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:25:14,335 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:25:14,335 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:25:14,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:25:14 BoogieIcfgContainer [2020-07-17 16:25:14,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:25:14,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:25:14,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:25:14,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:25:14,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:25:12" (1/3) ... [2020-07-17 16:25:14,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@143d6b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:25:14, skipping insertion in model container [2020-07-17 16:25:14,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:25:12" (2/3) ... [2020-07-17 16:25:14,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@143d6b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:25:14, skipping insertion in model container [2020-07-17 16:25:14,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:25:14" (3/3) ... [2020-07-17 16:25:14,360 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product43.cil.c [2020-07-17 16:25:14,373 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:25:14,384 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:25:14,400 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:25:14,426 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:25:14,426 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:25:14,427 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:25:14,427 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:25:14,428 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:25:14,428 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:25:14,428 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:25:14,428 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:25:14,461 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-07-17 16:25:14,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-17 16:25:14,494 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:25:14,495 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 16:25:14,496 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:25:14,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:25:14,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1378033390, now seen corresponding path program 1 times [2020-07-17 16:25:14,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:25:14,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1305542747] [2020-07-17 16:25:14,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:25:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:15,213 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:25:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:15,461 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 16:25:15,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1305542747] [2020-07-17 16:25:15,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:25:15,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:25:15,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139880686] [2020-07-17 16:25:15,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:25:15,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:25:15,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:25:15,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:25:15,496 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 3 states. [2020-07-17 16:25:17,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:25:17,062 INFO L93 Difference]: Finished difference Result 475 states and 564 transitions. [2020-07-17 16:25:17,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:25:17,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-17 16:25:17,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:25:17,087 INFO L225 Difference]: With dead ends: 475 [2020-07-17 16:25:17,087 INFO L226 Difference]: Without dead ends: 296 [2020-07-17 16:25:17,097 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 16:25:17,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-07-17 16:25:17,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 253. [2020-07-17 16:25:17,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-07-17 16:25:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 274 transitions. [2020-07-17 16:25:17,253 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 274 transitions. Word has length 142 [2020-07-17 16:25:17,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:25:17,254 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 274 transitions. [2020-07-17 16:25:17,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:25:17,255 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 274 transitions. [2020-07-17 16:25:17,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-17 16:25:17,259 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:25:17,259 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 16:25:17,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:25:17,260 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:25:17,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:25:17,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1594368587, now seen corresponding path program 1 times [2020-07-17 16:25:17,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:25:17,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965358798] [2020-07-17 16:25:17,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:25:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:17,642 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:25:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:17,747 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 16:25:17,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965358798] [2020-07-17 16:25:17,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:25:17,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:25:17,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888266865] [2020-07-17 16:25:17,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:25:17,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:25:17,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:25:17,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:25:17,751 INFO L87 Difference]: Start difference. First operand 253 states and 274 transitions. Second operand 4 states. [2020-07-17 16:25:18,354 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:25:19,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:25:19,282 INFO L93 Difference]: Finished difference Result 383 states and 429 transitions. [2020-07-17 16:25:19,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:25:19,283 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-07-17 16:25:19,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:25:19,290 INFO L225 Difference]: With dead ends: 383 [2020-07-17 16:25:19,290 INFO L226 Difference]: Without dead ends: 279 [2020-07-17 16:25:19,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:25:19,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-07-17 16:25:19,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 243. [2020-07-17 16:25:19,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-07-17 16:25:19,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2020-07-17 16:25:19,367 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 143 [2020-07-17 16:25:19,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:25:19,368 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2020-07-17 16:25:19,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:25:19,369 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2020-07-17 16:25:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-17 16:25:19,372 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:25:19,372 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 16:25:19,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:25:19,373 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:25:19,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:25:19,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1389720772, now seen corresponding path program 1 times [2020-07-17 16:25:19,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:25:19,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566977442] [2020-07-17 16:25:19,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:25:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:19,728 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:25:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:19,873 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 16:25:19,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566977442] [2020-07-17 16:25:19,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:25:19,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:25:19,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265791514] [2020-07-17 16:25:19,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:25:19,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:25:19,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:25:19,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:25:19,876 INFO L87 Difference]: Start difference. First operand 243 states and 261 transitions. Second operand 9 states. [2020-07-17 16:25:20,407 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:25:20,752 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:25:21,017 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:25:21,266 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:25:21,521 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:25:21,805 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:25:22,695 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:25:24,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:25:24,683 INFO L93 Difference]: Finished difference Result 640 states and 732 transitions. [2020-07-17 16:25:24,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 16:25:24,684 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2020-07-17 16:25:24,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:25:24,689 INFO L225 Difference]: With dead ends: 640 [2020-07-17 16:25:24,689 INFO L226 Difference]: Without dead ends: 507 [2020-07-17 16:25:24,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-07-17 16:25:24,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-07-17 16:25:24,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 428. [2020-07-17 16:25:24,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-07-17 16:25:24,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 474 transitions. [2020-07-17 16:25:24,823 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 474 transitions. Word has length 152 [2020-07-17 16:25:24,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:25:24,823 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 474 transitions. [2020-07-17 16:25:24,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:25:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 474 transitions. [2020-07-17 16:25:24,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-17 16:25:24,827 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:25:24,827 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] [2020-07-17 16:25:24,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:25:24,828 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:25:24,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:25:24,828 INFO L82 PathProgramCache]: Analyzing trace with hash 2146784857, now seen corresponding path program 1 times [2020-07-17 16:25:24,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:25:24,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367544053] [2020-07-17 16:25:24,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:25:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:25,097 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:25:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:25,221 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 16:25:25,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367544053] [2020-07-17 16:25:25,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:25:25,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 16:25:25,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346234408] [2020-07-17 16:25:25,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 16:25:25,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:25:25,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 16:25:25,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 16:25:25,225 INFO L87 Difference]: Start difference. First operand 428 states and 474 transitions. Second operand 6 states. [2020-07-17 16:25:25,817 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:25:27,759 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:25:28,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:25:28,343 INFO L93 Difference]: Finished difference Result 1056 states and 1237 transitions. [2020-07-17 16:25:28,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 16:25:28,344 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-07-17 16:25:28,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:25:28,350 INFO L225 Difference]: With dead ends: 1056 [2020-07-17 16:25:28,350 INFO L226 Difference]: Without dead ends: 738 [2020-07-17 16:25:28,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:25:28,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2020-07-17 16:25:28,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 622. [2020-07-17 16:25:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-07-17 16:25:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 688 transitions. [2020-07-17 16:25:28,576 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 688 transitions. Word has length 160 [2020-07-17 16:25:28,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:25:28,577 INFO L479 AbstractCegarLoop]: Abstraction has 622 states and 688 transitions. [2020-07-17 16:25:28,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 16:25:28,578 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 688 transitions. [2020-07-17 16:25:28,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-17 16:25:28,580 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:25:28,580 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 16:25:28,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:25:28,581 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:25:28,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:25:28,581 INFO L82 PathProgramCache]: Analyzing trace with hash -2147122244, now seen corresponding path program 1 times [2020-07-17 16:25:28,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:25:28,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262876638] [2020-07-17 16:25:28,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:25:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:28,859 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:25:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:29,040 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 16:25:29,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262876638] [2020-07-17 16:25:29,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:25:29,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:25:29,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274494637] [2020-07-17 16:25:29,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:25:29,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:25:29,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:25:29,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:25:29,043 INFO L87 Difference]: Start difference. First operand 622 states and 688 transitions. Second operand 9 states. [2020-07-17 16:25:29,513 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:25:30,506 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:25:30,748 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:25:31,061 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:25:31,322 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:25:31,551 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:25:31,775 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:25:32,006 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:25:32,367 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:25:33,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:25:33,954 INFO L93 Difference]: Finished difference Result 1691 states and 1962 transitions. [2020-07-17 16:25:33,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 16:25:33,955 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-07-17 16:25:33,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:25:33,963 INFO L225 Difference]: With dead ends: 1691 [2020-07-17 16:25:33,963 INFO L226 Difference]: Without dead ends: 1179 [2020-07-17 16:25:33,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-07-17 16:25:33,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2020-07-17 16:25:34,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1051. [2020-07-17 16:25:34,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1051 states. [2020-07-17 16:25:34,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1170 transitions. [2020-07-17 16:25:34,409 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1170 transitions. Word has length 161 [2020-07-17 16:25:34,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:25:34,410 INFO L479 AbstractCegarLoop]: Abstraction has 1051 states and 1170 transitions. [2020-07-17 16:25:34,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:25:34,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1170 transitions. [2020-07-17 16:25:34,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-17 16:25:34,413 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:25:34,413 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 16:25:34,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:25:34,414 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:25:34,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:25:34,414 INFO L82 PathProgramCache]: Analyzing trace with hash 122714309, now seen corresponding path program 1 times [2020-07-17 16:25:34,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:25:34,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969994093] [2020-07-17 16:25:34,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:25:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:34,680 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:25:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:34,833 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 16:25:34,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969994093] [2020-07-17 16:25:34,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:25:34,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 16:25:34,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262701134] [2020-07-17 16:25:34,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 16:25:34,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:25:34,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 16:25:34,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:25:34,837 INFO L87 Difference]: Start difference. First operand 1051 states and 1170 transitions. Second operand 10 states. [2020-07-17 16:25:35,330 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:25:36,510 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:25:36,782 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:25:37,067 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:25:37,309 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:25:37,545 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:25:38,240 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:25:38,509 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:25:38,816 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:25:39,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:25:39,642 INFO L93 Difference]: Finished difference Result 1311 states and 1533 transitions. [2020-07-17 16:25:39,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-17 16:25:39,643 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2020-07-17 16:25:39,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:25:39,650 INFO L225 Difference]: With dead ends: 1311 [2020-07-17 16:25:39,650 INFO L226 Difference]: Without dead ends: 1308 [2020-07-17 16:25:39,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-07-17 16:25:39,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2020-07-17 16:25:39,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1051. [2020-07-17 16:25:39,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1051 states. [2020-07-17 16:25:39,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1167 transitions. [2020-07-17 16:25:39,992 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1167 transitions. Word has length 166 [2020-07-17 16:25:39,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:25:39,993 INFO L479 AbstractCegarLoop]: Abstraction has 1051 states and 1167 transitions. [2020-07-17 16:25:39,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 16:25:39,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1167 transitions. [2020-07-17 16:25:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-17 16:25:39,998 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:25:39,998 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:25:39,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:25:39,999 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:25:39,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:25:39,999 INFO L82 PathProgramCache]: Analyzing trace with hash 17634563, now seen corresponding path program 1 times [2020-07-17 16:25:40,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:25:40,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280196623] [2020-07-17 16:25:40,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:25:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,235 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:25:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 16:25:40,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280196623] [2020-07-17 16:25:40,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:25:40,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 16:25:40,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110237594] [2020-07-17 16:25:40,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 16:25:40,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:25:40,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 16:25:40,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:25:40,403 INFO L87 Difference]: Start difference. First operand 1051 states and 1167 transitions. Second operand 10 states. [2020-07-17 16:25:41,579 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:25:41,819 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:25:42,094 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:25:42,382 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:25:42,655 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:25:42,908 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:25:44,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:25:44,138 INFO L93 Difference]: Finished difference Result 2401 states and 2856 transitions. [2020-07-17 16:25:44,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 16:25:44,138 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-07-17 16:25:44,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:25:44,147 INFO L225 Difference]: With dead ends: 2401 [2020-07-17 16:25:44,147 INFO L226 Difference]: Without dead ends: 1460 [2020-07-17 16:25:44,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-07-17 16:25:44,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2020-07-17 16:25:44,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1083. [2020-07-17 16:25:44,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1083 states. [2020-07-17 16:25:44,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1199 transitions. [2020-07-17 16:25:44,432 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1199 transitions. Word has length 212 [2020-07-17 16:25:44,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:25:44,432 INFO L479 AbstractCegarLoop]: Abstraction has 1083 states and 1199 transitions. [2020-07-17 16:25:44,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 16:25:44,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1199 transitions. [2020-07-17 16:25:44,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-17 16:25:44,437 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:25:44,438 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:25:44,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 16:25:44,438 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:25:44,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:25:44,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1737035613, now seen corresponding path program 1 times [2020-07-17 16:25:44,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:25:44,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234807967] [2020-07-17 16:25:44,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:25:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,728 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:25:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:44,926 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 16:25:44,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234807967] [2020-07-17 16:25:44,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:25:44,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-17 16:25:44,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695299302] [2020-07-17 16:25:44,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 16:25:44,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:25:44,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 16:25:44,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-07-17 16:25:44,929 INFO L87 Difference]: Start difference. First operand 1083 states and 1199 transitions. Second operand 13 states. [2020-07-17 16:25:45,488 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:25:45,737 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:25:45,964 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:25:46,250 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:25:46,461 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:25:47,242 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:25:47,477 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:25:47,728 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:25:47,990 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:25:48,222 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:25:49,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:25:49,697 INFO L93 Difference]: Finished difference Result 2469 states and 2928 transitions. [2020-07-17 16:25:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 16:25:49,698 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 212 [2020-07-17 16:25:49,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:25:49,706 INFO L225 Difference]: With dead ends: 2469 [2020-07-17 16:25:49,706 INFO L226 Difference]: Without dead ends: 1496 [2020-07-17 16:25:49,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 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 16:25:49,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2020-07-17 16:25:50,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1107. [2020-07-17 16:25:50,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1107 states. [2020-07-17 16:25:50,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1223 transitions. [2020-07-17 16:25:50,208 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1223 transitions. Word has length 212 [2020-07-17 16:25:50,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:25:50,208 INFO L479 AbstractCegarLoop]: Abstraction has 1107 states and 1223 transitions. [2020-07-17 16:25:50,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 16:25:50,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1223 transitions. [2020-07-17 16:25:50,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-17 16:25:50,214 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:25:50,215 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:25:50,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 16:25:50,215 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:25:50,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:25:50,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1064314170, now seen corresponding path program 1 times [2020-07-17 16:25:50,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:25:50,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324302268] [2020-07-17 16:25:50,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:25:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,495 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:25:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 16:25:50,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1324302268] [2020-07-17 16:25:50,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:25:50,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 16:25:50,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312861042] [2020-07-17 16:25:50,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 16:25:50,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:25:50,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 16:25:50,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 16:25:50,831 INFO L87 Difference]: Start difference. First operand 1107 states and 1223 transitions. Second operand 7 states. [2020-07-17 16:25:51,378 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:25:51,882 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:25:54,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:25:54,547 INFO L93 Difference]: Finished difference Result 3626 states and 4383 transitions. [2020-07-17 16:25:54,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 16:25:54,548 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 212 [2020-07-17 16:25:54,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:25:54,561 INFO L225 Difference]: With dead ends: 3626 [2020-07-17 16:25:54,562 INFO L226 Difference]: Without dead ends: 2629 [2020-07-17 16:25:54,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:25:54,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2629 states. [2020-07-17 16:25:55,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2629 to 2151. [2020-07-17 16:25:55,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2151 states. [2020-07-17 16:25:55,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 2151 states and 2439 transitions. [2020-07-17 16:25:55,429 INFO L78 Accepts]: Start accepts. Automaton has 2151 states and 2439 transitions. Word has length 212 [2020-07-17 16:25:55,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:25:55,430 INFO L479 AbstractCegarLoop]: Abstraction has 2151 states and 2439 transitions. [2020-07-17 16:25:55,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 16:25:55,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 2439 transitions. [2020-07-17 16:25:55,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-07-17 16:25:55,436 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:25:55,436 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:25:55,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 16:25:55,436 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:25:55,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:25:55,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1071999651, now seen corresponding path program 1 times [2020-07-17 16:25:55,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:25:55,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836933803] [2020-07-17 16:25:55,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:25:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:55,710 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:25:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:25:56,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-17 16:25:56,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836933803] [2020-07-17 16:25:56,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:25:56,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-07-17 16:25:56,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497831449] [2020-07-17 16:25:56,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 16:25:56,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:25:56,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 16:25:56,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2020-07-17 16:25:56,167 INFO L87 Difference]: Start difference. First operand 2151 states and 2439 transitions. Second operand 20 states. [2020-07-17 16:25:56,676 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:25:57,057 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:25:57,323 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:25:57,587 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:25:57,843 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:25:58,190 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:25:59,037 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:25:59,805 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:26:00,106 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:26:00,532 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:26:00,822 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:26:02,155 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:26:02,576 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:26:02,866 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:26:03,137 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:26:03,406 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:26:03,703 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:26:03,980 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:26:04,266 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:26:04,773 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-07-17 16:26:05,355 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 190 [2020-07-17 16:26:05,811 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-07-17 16:26:07,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:26:07,412 INFO L93 Difference]: Finished difference Result 4577 states and 5360 transitions. [2020-07-17 16:26:07,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-07-17 16:26:07,413 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 217 [2020-07-17 16:26:07,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:26:07,427 INFO L225 Difference]: With dead ends: 4577 [2020-07-17 16:26:07,427 INFO L226 Difference]: Without dead ends: 2536 [2020-07-17 16:26:07,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=563, Invalid=2407, Unknown=0, NotChecked=0, Total=2970 [2020-07-17 16:26:07,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2020-07-17 16:26:08,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 2065. [2020-07-17 16:26:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2065 states. [2020-07-17 16:26:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 2065 states and 2307 transitions. [2020-07-17 16:26:08,109 INFO L78 Accepts]: Start accepts. Automaton has 2065 states and 2307 transitions. Word has length 217 [2020-07-17 16:26:08,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:26:08,110 INFO L479 AbstractCegarLoop]: Abstraction has 2065 states and 2307 transitions. [2020-07-17 16:26:08,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 16:26:08,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2065 states and 2307 transitions. [2020-07-17 16:26:08,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-07-17 16:26:08,117 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:26:08,118 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:26:08,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 16:26:08,118 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:26:08,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:26:08,119 INFO L82 PathProgramCache]: Analyzing trace with hash -768855845, now seen corresponding path program 1 times [2020-07-17 16:26:08,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:26:08,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [156294974] [2020-07-17 16:26:08,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:26:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:26:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:26:08,590 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:26:08,590 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:26:08,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 16:26:08,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:26:08 BoogieIcfgContainer [2020-07-17 16:26:08,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:26:08,991 INFO L168 Benchmark]: Toolchain (without parser) took 56788.96 ms. Allocated memory was 137.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 102.1 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-07-17 16:26:08,995 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 137.4 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 16:26:08,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.92 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 170.8 MB in the end (delta: -69.2 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:26:08,998 INFO L168 Benchmark]: Boogie Preprocessor took 90.55 ms. Allocated memory is still 201.9 MB. Free memory was 170.8 MB in the beginning and 166.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-17 16:26:09,001 INFO L168 Benchmark]: RCFGBuilder took 1362.75 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 176.6 MB in the end (delta: -9.9 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. [2020-07-17 16:26:09,003 INFO L168 Benchmark]: TraceAbstraction took 54639.40 ms. Allocated memory was 233.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 176.6 MB in the beginning and 1.2 GB in the end (delta: -981.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-17 16:26:09,006 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 137.4 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.92 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 170.8 MB in the end (delta: -69.2 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.55 ms. Allocated memory is still 201.9 MB. Free memory was 170.8 MB in the beginning and 166.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1362.75 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 176.6 MB in the end (delta: -9.9 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 54639.40 ms. Allocated memory was 233.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 176.6 MB in the beginning and 1.2 GB in the end (delta: -981.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 405]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=167, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=140, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=167, head={176:162}, methaneLevelCritical=140, pumpRunning=133, systemActive=132, waterLevel=1] [L48] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=167, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=140, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=167, head={176:162}, methaneLevelCritical=0, pumpRunning=133, systemActive=132, waterLevel=1] [L147] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=167, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=140, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=167, head={176:162}, methaneLevelCritical=0, pumpRunning=0, systemActive=132, waterLevel=1] [L148] int systemActive = 1; VAL [\old(cleanupTimeShifts)=167, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=140, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=167, head={176:162}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L436] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=167, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=140, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=4, head={176:162}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=167, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=140, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L512] 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] [L513] 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] [L517] 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] [L518] 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] [L519] 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] [L927] 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] [L930] 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] [L931] 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] [L519] 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] [L519] 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] [L521] 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] [L523] 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] [L524] 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] [L503] 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] [L335] 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] [L336] 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] [L337] 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] [L338] 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] [L339] 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] [L342] 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] [L344] 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] [L346] 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] [L352] 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] [L354] 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] [L356] 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] [L65] 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] [L66] 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] [L356] 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] [L362] 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] [L364] 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] [L372] 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] [L374] 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] [L389] 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] [L155] 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] [L162] 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] [L164] 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] [L184] 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] [L187] 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] [L189] 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] [L299] 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] [L300] 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] [L301] 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] [L305] 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] [L127] 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] [L130] 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] [L134] 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] [L135] 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] [L305] 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] [L305] 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] [L307] 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] [L310] 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] [L312] 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] [L313] 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] [L189] 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] [L189] 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] [L191] 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] [L193] 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] [L218] 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] [L222] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L243] 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] [L247] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] 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] [L89] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L90] 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] [L247] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L249] 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] [L222] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L222] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L224] 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] [L228] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L212] 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] [L228] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L193] 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] [L164] 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] [L170] CALL __utac_acc__Specification1_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] [L411] 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] [L412] 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] [L416] CALL, EXPR isMethaneLevelCritical() 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] [L86] 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] [L89] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L90] 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=1, retValue_acc=0, systemActive=1, waterLevel=2] [L416] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L416] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L418] 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=1, systemActive=1, tmp=0, waterLevel=2] [L170] RET __utac_acc__Specification1_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] [L389] 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] [L344] 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] [L346] 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] [L352] 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] [L354] 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] [L362] tmp___0 = __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=1, tmp___2=1, waterLevel=2] [L364] COND TRUE \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=1, tmp___2=1, waterLevel=2] [L366] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L80] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L366] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L372] 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=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L374] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L389] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L155] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L157] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L162] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L164] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L184] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L187] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L202] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L164] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L170] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L411] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L412] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L416] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L89] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L416] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L416] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L418] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L420] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L254] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L257] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L258] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L420] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L420] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L422] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L424] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L405] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 621 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 54.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 44.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2472 SDtfs, 5850 SDslu, 5505 SDs, 0 SdLazy, 11838 SolverSat, 1939 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 437 GetRequests, 266 SyntacticMatches, 3 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 19.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2151occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2374 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 2041 NumberOfCodeBlocks, 2041 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1767 ConstructedInterpolants, 0 QuantifiedInterpolants, 811025 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 17/20 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...