/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_spec3_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:35:45,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:35:45,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:35:45,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:35:45,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:35:45,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:35:45,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:35:45,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:35:45,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:35:45,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:35:45,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:35:45,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:35:45,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:35:45,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:35:45,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:35:45,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:35:45,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:35:45,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:35:45,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:35:45,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:35:45,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:35:45,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:35:45,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:35:45,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:35:45,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:35:45,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:35:45,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:35:45,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:35:45,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:35:45,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:35:45,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:35:45,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:35:45,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:35:45,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:35:45,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:35:45,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:35:45,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:35:45,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:35:45,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:35:45,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:35:45,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:35:45,861 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 16:35:45,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:35:45,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:35:45,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:35:45,876 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:35:45,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:35:45,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:35:45,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:35:45,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:35:45,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:35:45,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:35:45,879 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:35:45,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:35:45,879 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:35:45,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:35:45,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:35:45,880 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:35:45,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:35:45,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:35:45,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:35:45,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:35:45,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:35:45,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:35:45,882 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 16:35:46,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:35:46,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:35:46,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:35:46,209 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:35:46,209 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:35:46,210 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c [2020-07-17 16:35:46,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0986b02ad/54b0bfd70e7c4f43a3afd7b6fedcb286/FLAG509445b08 [2020-07-17 16:35:46,883 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:35:46,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c [2020-07-17 16:35:46,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0986b02ad/54b0bfd70e7c4f43a3afd7b6fedcb286/FLAG509445b08 [2020-07-17 16:35:47,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0986b02ad/54b0bfd70e7c4f43a3afd7b6fedcb286 [2020-07-17 16:35:47,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:35:47,189 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:35:47,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:35:47,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:35:47,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:35:47,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd35e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47, skipping insertion in model container [2020-07-17 16:35:47,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:35:47,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:35:47,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:35:47,769 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:35:47,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:35:47,902 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:35:47,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47 WrapperNode [2020-07-17 16:35:47,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:35:47,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:35:47,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:35:47,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:35:47,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... [2020-07-17 16:35:47,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:35:47,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:35:47,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:35:47,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:35:47,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:35:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:35:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:35:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:35:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:35:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:35:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:35:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:35:48,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:35:48,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:35:48,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 16:35:48,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:35:48,072 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:35:48,073 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:35:48,073 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-17 16:35:48,073 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:35:48,073 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:35:48,073 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:35:48,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:35:48,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:35:48,074 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:35:48,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 16:35:48,074 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 16:35:48,074 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:35:48,075 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:35:48,075 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:35:48,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:35:48,075 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:35:48,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:35:48,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:35:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:35:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:35:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:35:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:35:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:35:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:35:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:35:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:35:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:35:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:35:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:35:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:35:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:35:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:35:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:35:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:35:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:35:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:35:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:35:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 16:35:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:35:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:35:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:35:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:35:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:35:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:35:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:35:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:35:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 16:35:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:35:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:35:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 16:35:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-17 16:35:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:35:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:35:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:35:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:35:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:35:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:35:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:35:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:35:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:35:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:35:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:35:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:35:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:35:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:35:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:35:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:35:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:35:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:35:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:35:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:35:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:35:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:35:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:35:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:35:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:35:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:35:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:35:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:35:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:35:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:35:49,370 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:35:49,370 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:35:49,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:35:49 BoogieIcfgContainer [2020-07-17 16:35:49,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:35:49,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:35:49,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:35:49,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:35:49,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:35:47" (1/3) ... [2020-07-17 16:35:49,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b92f3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:35:49, skipping insertion in model container [2020-07-17 16:35:49,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:35:47" (2/3) ... [2020-07-17 16:35:49,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b92f3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:35:49, skipping insertion in model container [2020-07-17 16:35:49,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:35:49" (3/3) ... [2020-07-17 16:35:49,385 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product23.cil.c [2020-07-17 16:35:49,395 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:35:49,404 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:35:49,418 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:35:49,440 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:35:49,441 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:35:49,441 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:35:49,441 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:35:49,441 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:35:49,441 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:35:49,442 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:35:49,442 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:35:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2020-07-17 16:35:49,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-17 16:35:49,484 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:49,485 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] [2020-07-17 16:35:49,486 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:49,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:49,492 INFO L82 PathProgramCache]: Analyzing trace with hash -2023786864, now seen corresponding path program 1 times [2020-07-17 16:35:49,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:49,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438906449] [2020-07-17 16:35:49,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,162 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:50,369 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 16:35:50,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438906449] [2020-07-17 16:35:50,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:50,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:35:50,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686560634] [2020-07-17 16:35:50,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:35:50,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:50,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:35:50,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:35:50,403 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2020-07-17 16:35:51,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:51,863 INFO L93 Difference]: Finished difference Result 491 states and 589 transitions. [2020-07-17 16:35:51,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:35:51,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-17 16:35:51,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:51,894 INFO L225 Difference]: With dead ends: 491 [2020-07-17 16:35:51,895 INFO L226 Difference]: Without dead ends: 304 [2020-07-17 16:35:51,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 16:35:51,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-07-17 16:35:52,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 261. [2020-07-17 16:35:52,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-07-17 16:35:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 286 transitions. [2020-07-17 16:35:52,055 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 286 transitions. Word has length 153 [2020-07-17 16:35:52,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:52,057 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 286 transitions. [2020-07-17 16:35:52,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:35:52,057 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 286 transitions. [2020-07-17 16:35:52,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-17 16:35:52,062 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:52,063 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] [2020-07-17 16:35:52,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:35:52,064 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:52,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:52,064 INFO L82 PathProgramCache]: Analyzing trace with hash 936864637, now seen corresponding path program 1 times [2020-07-17 16:35:52,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:52,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [981152844] [2020-07-17 16:35:52,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,480 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:52,544 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 16:35:52,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [981152844] [2020-07-17 16:35:52,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:52,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:35:52,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326999798] [2020-07-17 16:35:52,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:35:52,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:52,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:35:52,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:35:52,548 INFO L87 Difference]: Start difference. First operand 261 states and 286 transitions. Second operand 4 states. [2020-07-17 16:35:53,175 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:35:54,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:54,189 INFO L93 Difference]: Finished difference Result 402 states and 456 transitions. [2020-07-17 16:35:54,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:35:54,193 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-07-17 16:35:54,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:54,197 INFO L225 Difference]: With dead ends: 402 [2020-07-17 16:35:54,198 INFO L226 Difference]: Without dead ends: 287 [2020-07-17 16:35:54,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:35:54,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-07-17 16:35:54,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 251. [2020-07-17 16:35:54,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-07-17 16:35:54,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 273 transitions. [2020-07-17 16:35:54,284 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 273 transitions. Word has length 154 [2020-07-17 16:35:54,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:54,285 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 273 transitions. [2020-07-17 16:35:54,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:35:54,285 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 273 transitions. [2020-07-17 16:35:54,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-17 16:35:54,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:54,288 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] [2020-07-17 16:35:54,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:35:54,289 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:54,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:54,289 INFO L82 PathProgramCache]: Analyzing trace with hash -367935570, now seen corresponding path program 1 times [2020-07-17 16:35:54,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:54,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1041966369] [2020-07-17 16:35:54,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,623 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:54,829 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 16:35:54,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1041966369] [2020-07-17 16:35:54,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:54,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:35:54,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972569621] [2020-07-17 16:35:54,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:35:54,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:54,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:35:54,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:35:54,832 INFO L87 Difference]: Start difference. First operand 251 states and 273 transitions. Second operand 9 states. [2020-07-17 16:35:55,412 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:35:55,820 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:35:56,202 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:35:56,523 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:56,738 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:35:56,935 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:57,838 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:36:00,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:36:00,062 INFO L93 Difference]: Finished difference Result 675 states and 782 transitions. [2020-07-17 16:36:00,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 16:36:00,063 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-07-17 16:36:00,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:36:00,068 INFO L225 Difference]: With dead ends: 675 [2020-07-17 16:36:00,069 INFO L226 Difference]: Without dead ends: 534 [2020-07-17 16:36:00,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-07-17 16:36:00,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-07-17 16:36:00,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 467. [2020-07-17 16:36:00,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-07-17 16:36:00,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 526 transitions. [2020-07-17 16:36:00,250 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 526 transitions. Word has length 163 [2020-07-17 16:36:00,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:36:00,251 INFO L479 AbstractCegarLoop]: Abstraction has 467 states and 526 transitions. [2020-07-17 16:36:00,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:36:00,251 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 526 transitions. [2020-07-17 16:36:00,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-17 16:36:00,256 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:36:00,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:36:00,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:36:00,257 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:36:00,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:36:00,257 INFO L82 PathProgramCache]: Analyzing trace with hash 586608814, now seen corresponding path program 1 times [2020-07-17 16:36:00,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:36:00,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192176890] [2020-07-17 16:36:00,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:36:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:00,565 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:36:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:00,744 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 16:36:00,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192176890] [2020-07-17 16:36:00,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:36:00,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:36:00,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062443616] [2020-07-17 16:36:00,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:36:00,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:36:00,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:36:00,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:36:00,746 INFO L87 Difference]: Start difference. First operand 467 states and 526 transitions. Second operand 9 states. [2020-07-17 16:36:01,464 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:36:03,672 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:36:03,958 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:36:04,234 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:36:04,536 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:36:04,783 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:36:05,041 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:36:05,316 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:36:06,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:36:06,136 INFO L93 Difference]: Finished difference Result 1264 states and 1525 transitions. [2020-07-17 16:36:06,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 16:36:06,136 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2020-07-17 16:36:06,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:36:06,146 INFO L225 Difference]: With dead ends: 1264 [2020-07-17 16:36:06,146 INFO L226 Difference]: Without dead ends: 907 [2020-07-17 16:36:06,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-07-17 16:36:06,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2020-07-17 16:36:06,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 807. [2020-07-17 16:36:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2020-07-17 16:36:06,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 935 transitions. [2020-07-17 16:36:06,483 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 935 transitions. Word has length 172 [2020-07-17 16:36:06,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:36:06,484 INFO L479 AbstractCegarLoop]: Abstraction has 807 states and 935 transitions. [2020-07-17 16:36:06,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:36:06,484 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 935 transitions. [2020-07-17 16:36:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-17 16:36:06,489 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:36:06,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:36:06,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:36:06,490 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:36:06,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:36:06,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1309262380, now seen corresponding path program 1 times [2020-07-17 16:36:06,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:36:06,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949763855] [2020-07-17 16:36:06,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:36:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:06,791 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:36:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:36:06,923 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 16:36:06,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949763855] [2020-07-17 16:36:06,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:36:06,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 16:36:06,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485826879] [2020-07-17 16:36:06,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 16:36:06,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:36:06,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 16:36:06,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 16:36:06,927 INFO L87 Difference]: Start difference. First operand 807 states and 935 transitions. Second operand 6 states. [2020-07-17 16:36:07,418 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:36:08,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:36:08,439 INFO L93 Difference]: Finished difference Result 1289 states and 1536 transitions. [2020-07-17 16:36:08,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 16:36:08,440 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 177 [2020-07-17 16:36:08,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:36:08,446 INFO L225 Difference]: With dead ends: 1289 [2020-07-17 16:36:08,446 INFO L226 Difference]: Without dead ends: 592 [2020-07-17 16:36:08,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:36:08,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-07-17 16:36:08,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 562. [2020-07-17 16:36:08,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-07-17 16:36:08,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 613 transitions. [2020-07-17 16:36:08,761 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 613 transitions. Word has length 177 [2020-07-17 16:36:08,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:36:08,762 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 613 transitions. [2020-07-17 16:36:08,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 16:36:08,763 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 613 transitions. [2020-07-17 16:36:08,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-17 16:36:08,768 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:36:08,769 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:36:08,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:36:08,769 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:36:08,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:36:08,770 INFO L82 PathProgramCache]: Analyzing trace with hash 95529110, now seen corresponding path program 1 times [2020-07-17 16:36:08,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:36:08,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842509804] [2020-07-17 16:36:08,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:36:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:36:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:36:09,145 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:36:09,146 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:36:09,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:36:09,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:36:09 BoogieIcfgContainer [2020-07-17 16:36:09,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:36:09,417 INFO L168 Benchmark]: Toolchain (without parser) took 22228.21 ms. Allocated memory was 146.3 MB in the beginning and 604.5 MB in the end (delta: 458.2 MB). Free memory was 103.5 MB in the beginning and 214.9 MB in the end (delta: -111.5 MB). Peak memory consumption was 346.8 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:09,422 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-17 16:36:09,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.45 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 103.0 MB in the beginning and 173.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:09,424 INFO L168 Benchmark]: Boogie Preprocessor took 91.16 ms. Allocated memory is still 204.5 MB. Free memory was 173.2 MB in the beginning and 169.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:09,425 INFO L168 Benchmark]: RCFGBuilder took 1382.34 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 169.1 MB in the beginning and 175.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:09,426 INFO L168 Benchmark]: TraceAbstraction took 20036.25 ms. Allocated memory was 236.5 MB in the beginning and 604.5 MB in the end (delta: 368.1 MB). Free memory was 175.6 MB in the beginning and 214.9 MB in the end (delta: -39.3 MB). Peak memory consumption was 328.7 MB. Max. memory is 7.1 GB. [2020-07-17 16:36:09,438 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.45 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 103.0 MB in the beginning and 173.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.16 ms. Allocated memory is still 204.5 MB. Free memory was 173.2 MB in the beginning and 169.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1382.34 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 169.1 MB in the beginning and 175.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20036.25 ms. Allocated memory was 236.5 MB in the beginning and 604.5 MB in the end (delta: 368.1 MB). Free memory was 175.6 MB in the beginning and 214.9 MB in the end (delta: -39.3 MB). Peak memory consumption was 328.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 541]: 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)=173, \old(head)=176, \old(head)=169, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=139, cleanupTimeShifts=173, head={176:169}, methaneLevelCritical=145, pumpRunning=134, systemActive=133, waterLevel=1] [L48] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=169, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=139, cleanupTimeShifts=173, head={176:169}, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L177] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=169, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=139, cleanupTimeShifts=173, head={176:169}, methaneLevelCritical=0, pumpRunning=0, systemActive=133, waterLevel=1] [L178] int systemActive = 1; VAL [\old(cleanupTimeShifts)=173, \old(head)=169, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=139, cleanupTimeShifts=173, head={176:169}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L438] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=173, \old(head)=169, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=139, cleanupTimeShifts=4, head={176:169}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L715] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=169, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L514] 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] [L515] 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] [L519] 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] [L520] 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] [L521] 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] [L938] 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] [L941] 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] [L942] 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] [L521] 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] [L521] 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] [L523] 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] [L525] 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] [L526] 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] [L505] 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] [L372] 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] [L373] 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] [L374] 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] [L375] 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] [L376] 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] [L379] 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] [L381] 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] [L383] 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] [L389] 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] [L391] 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] [L393] 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] [L393] 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] [L399] 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] [L401] 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] [L409] tmp___2 = __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, tmp___2=0, waterLevel=2] [L411] COND FALSE !(\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=0, waterLevel=2] [L415] tmp___1 = __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___1=1, tmp___2=0, waterLevel=2] [L417] COND TRUE \read(tmp___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, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L419] CALL stopSystem() 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] [L358] COND FALSE !(\read(pumpRunning)) 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] [L365] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L419] RET stopSystem() 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=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L426] 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=0, waterLevel=2] [L184] 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=0, waterLevel=2] [L191] COND FALSE !(\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=0, waterLevel=2] [L199] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L139] 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=0, waterLevel=2] [L140] 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=0, waterLevel=2] [L141] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L145] 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=0, 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=0, 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=0, 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=0, waterLevel=2] [L145] 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=0, waterLevel=2] [L145] 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=0, systemActive=0, tmp=0, waterLevel=2] [L147] 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=0, tmp=0, waterLevel=2] [L151] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L118] 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=0, waterLevel=2] [L121] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L151] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L151] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L153] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L155] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L291] 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=0, waterLevel=2] [L294] retValue_acc = pumpRunning 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=0, waterLevel=2] [L295] 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=0, waterLevel=2] [L155] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L155] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L157] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L161] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L541] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 627 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 19.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1185 SDtfs, 1618 SDslu, 1507 SDs, 0 SdLazy, 3481 SolverSat, 521 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=807occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 276 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 996 NumberOfCodeBlocks, 996 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 814 ConstructedInterpolants, 0 QuantifiedInterpolants, 344196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...