/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:11:12,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:11:12,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:11:12,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:11:12,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:11:12,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:11:12,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:11:12,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:11:12,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:11:12,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:11:12,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:11:12,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:11:12,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:11:12,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:11:12,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:11:12,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:11:12,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:11:12,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:11:12,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:11:12,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:11:12,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:11:12,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:11:12,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:11:12,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:11:12,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:11:12,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:11:12,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:11:12,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:11:12,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:11:12,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:11:12,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:11:12,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:11:12,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:11:12,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:11:12,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:11:12,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:11:12,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:11:12,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:11:12,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:11:12,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:11:12,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:11:12,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:11:12,757 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:11:12,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:11:12,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:11:12,763 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:11:12,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:11:12,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:11:12,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:11:12,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:11:12,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:11:12,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:11:12,765 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:11:12,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:11:12,766 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:11:12,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:11:12,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:11:12,766 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:11:12,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:11:12,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:11:12,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:11:12,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:11:12,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:11:12,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:11:12,768 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:11:13,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:11:13,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:11:13,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:11:13,213 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:11:13,214 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:11:13,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product29.cil.c [2020-11-07 04:11:13,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6067074f/207a7916b8f94762b704f7133d4283cb/FLAG1b603416d [2020-11-07 04:11:13,896 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:11:13,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product29.cil.c [2020-11-07 04:11:13,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6067074f/207a7916b8f94762b704f7133d4283cb/FLAG1b603416d [2020-11-07 04:11:14,213 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6067074f/207a7916b8f94762b704f7133d4283cb [2020-11-07 04:11:14,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:11:14,225 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:11:14,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:11:14,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:11:14,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:11:14,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:11:14" (1/1) ... [2020-11-07 04:11:14,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e92a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:14, skipping insertion in model container [2020-11-07 04:11:14,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:11:14" (1/1) ... [2020-11-07 04:11:14,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:11:14,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:11:14,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:11:14,743 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:11:14,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:11:14,858 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:11:14,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:14 WrapperNode [2020-11-07 04:11:14,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:11:14,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:11:14,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:11:14,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:11:14,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:14" (1/1) ... [2020-11-07 04:11:14,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:14" (1/1) ... [2020-11-07 04:11:14,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:14" (1/1) ... [2020-11-07 04:11:14,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:14" (1/1) ... [2020-11-07 04:11:14,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:14" (1/1) ... [2020-11-07 04:11:15,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:14" (1/1) ... [2020-11-07 04:11:15,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:14" (1/1) ... [2020-11-07 04:11:15,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:11:15,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:11:15,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:11:15,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:11:15,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:14" (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 [2020-11-07 04:11:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:11:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:11:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:11:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:11:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-11-07 04:11:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:11:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:11:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:11:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:11:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:11:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:11:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-07 04:11:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:11:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:11:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:11:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:11:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:11:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:11:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:11:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:11:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:11:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:11:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:11:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:11:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:11:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:11:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:11:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:11:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:11:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:11:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:11:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:11:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:11:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:11:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:11:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:11:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:11:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:11:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-07 04:11:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:11:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:11:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:11:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:11:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:11:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:11:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:11:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:11:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:11:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:11:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:11:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-11-07 04:11:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:11:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:11:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:11:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:11:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-07 04:11:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:11:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:11:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:11:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:11:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:11:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:11:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:11:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:11:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:11:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:11:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:11:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:11:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:11:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:11:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:11:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:11:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:11:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:11:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:11:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:11:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:11:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:11:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:11:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:11:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:11:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:11:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:11:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:11:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:11:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:11:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:11:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-07 04:11:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:11:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:11:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:11:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:11:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:11:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:11:16,493 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:11:16,493 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:11:16,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:11:16 BoogieIcfgContainer [2020-11-07 04:11:16,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:11:16,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:11:16,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:11:16,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:11:16,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:11:14" (1/3) ... [2020-11-07 04:11:16,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:11:16, skipping insertion in model container [2020-11-07 04:11:16,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:11:14" (2/3) ... [2020-11-07 04:11:16,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:11:16, skipping insertion in model container [2020-11-07 04:11:16,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:11:16" (3/3) ... [2020-11-07 04:11:16,505 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product29.cil.c [2020-11-07 04:11:16,521 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:11:16,525 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:11:16,537 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:11:16,571 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:11:16,571 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:11:16,572 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:11:16,572 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:11:16,572 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:11:16,573 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:11:16,573 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:11:16,573 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:11:16,606 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states. [2020-11-07 04:11:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-07 04:11:16,643 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:11:16,644 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] [2020-11-07 04:11:16,650 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:11:16,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:11:16,661 INFO L82 PathProgramCache]: Analyzing trace with hash 164481850, now seen corresponding path program 1 times [2020-11-07 04:11:16,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:11:16,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1589653595] [2020-11-07 04:11:16,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:11:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:17,526 WARN L194 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:11:17,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:11:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:17,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:11:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:17,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:11:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:17,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:11:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:17,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:11:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:17,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:11:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:17,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 04:11:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:17,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-07 04:11:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:17,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:11:17,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1589653595] [2020-11-07 04:11:17,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:11:17,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 04:11:17,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603479690] [2020-11-07 04:11:17,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 04:11:17,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:11:17,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 04:11:17,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:11:17,754 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 3 states. [2020-11-07 04:11:19,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:11:19,474 INFO L93 Difference]: Finished difference Result 487 states and 581 transitions. [2020-11-07 04:11:19,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 04:11:19,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-07 04:11:19,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:11:19,495 INFO L225 Difference]: With dead ends: 487 [2020-11-07 04:11:19,495 INFO L226 Difference]: Without dead ends: 302 [2020-11-07 04:11:19,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:11:19,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-11-07 04:11:19,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 261. [2020-11-07 04:11:19,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-11-07 04:11:19,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 284 transitions. [2020-11-07 04:11:19,721 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 284 transitions. Word has length 159 [2020-11-07 04:11:19,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:11:19,722 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 284 transitions. [2020-11-07 04:11:19,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 04:11:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 284 transitions. [2020-11-07 04:11:19,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-07 04:11:19,727 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:11:19,727 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] [2020-11-07 04:11:19,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:11:19,728 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:11:19,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:11:19,729 INFO L82 PathProgramCache]: Analyzing trace with hash -617236116, now seen corresponding path program 1 times [2020-11-07 04:11:19,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:11:19,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894179993] [2020-11-07 04:11:19,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:11:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:20,176 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:11:20,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:11:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:20,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:11:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:20,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:11:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:20,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:11:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:20,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:11:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:20,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-11-07 04:11:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:20,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-11-07 04:11:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:20,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-11-07 04:11:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:20,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:11:20,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894179993] [2020-11-07 04:11:20,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:11:20,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:11:20,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116425452] [2020-11-07 04:11:20,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:11:20,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:11:20,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:11:20,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:11:20,355 INFO L87 Difference]: Start difference. First operand 261 states and 284 transitions. Second operand 4 states. [2020-11-07 04:11:21,172 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:11:22,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:11:22,387 INFO L93 Difference]: Finished difference Result 401 states and 452 transitions. [2020-11-07 04:11:22,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 04:11:22,390 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-11-07 04:11:22,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:11:22,394 INFO L225 Difference]: With dead ends: 401 [2020-11-07 04:11:22,394 INFO L226 Difference]: Without dead ends: 285 [2020-11-07 04:11:22,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:11:22,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-11-07 04:11:22,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 251. [2020-11-07 04:11:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-11-07 04:11:22,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 271 transitions. [2020-11-07 04:11:22,493 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 271 transitions. Word has length 160 [2020-11-07 04:11:22,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:11:22,494 INFO L481 AbstractCegarLoop]: Abstraction has 251 states and 271 transitions. [2020-11-07 04:11:22,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:11:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 271 transitions. [2020-11-07 04:11:22,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-07 04:11:22,497 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:11:22,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:11:22,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:11:22,498 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:11:22,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:11:22,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1464124706, now seen corresponding path program 1 times [2020-11-07 04:11:22,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:11:22,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [539395284] [2020-11-07 04:11:22,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:11:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:22,995 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:11:22,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:11:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:23,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:11:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:23,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:11:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:23,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:11:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:23,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:11:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:23,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 04:11:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:23,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-07 04:11:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:23,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-07 04:11:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:23,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:11:23,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [539395284] [2020-11-07 04:11:23,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:11:23,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 04:11:23,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465011130] [2020-11-07 04:11:23,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 04:11:23,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:11:23,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 04:11:23,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-07 04:11:23,173 INFO L87 Difference]: Start difference. First operand 251 states and 271 transitions. Second operand 9 states. [2020-11-07 04:11:23,999 WARN L194 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:11:24,448 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:11:24,820 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:11:25,202 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:11:25,619 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:11:25,993 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:11:27,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:11:27,802 INFO L93 Difference]: Finished difference Result 421 states and 477 transitions. [2020-11-07 04:11:27,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-07 04:11:27,805 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169 [2020-11-07 04:11:27,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:11:27,811 INFO L225 Difference]: With dead ends: 421 [2020-11-07 04:11:27,811 INFO L226 Difference]: Without dead ends: 285 [2020-11-07 04:11:27,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:11:27,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-11-07 04:11:27,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 251. [2020-11-07 04:11:27,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-11-07 04:11:27,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 270 transitions. [2020-11-07 04:11:27,940 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 270 transitions. Word has length 169 [2020-11-07 04:11:27,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:11:27,942 INFO L481 AbstractCegarLoop]: Abstraction has 251 states and 270 transitions. [2020-11-07 04:11:27,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 04:11:27,942 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 270 transitions. [2020-11-07 04:11:27,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-11-07 04:11:27,945 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:11:27,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:11:27,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:11:27,946 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:11:27,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:11:27,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1973193443, now seen corresponding path program 1 times [2020-11-07 04:11:27,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:11:27,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033045787] [2020-11-07 04:11:27,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:11:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:28,409 WARN L194 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:11:28,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:11:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:28,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:11:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:28,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:11:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:28,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:11:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:28,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:11:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:28,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-11-07 04:11:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:28,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:11:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:28,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:11:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:28,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:11:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:28,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-07 04:11:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:28,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-11-07 04:11:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:11:28,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033045787] [2020-11-07 04:11:28,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:11:28,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 04:11:28,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540940343] [2020-11-07 04:11:28,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 04:11:28,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:11:28,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 04:11:28,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-07 04:11:28,607 INFO L87 Difference]: Start difference. First operand 251 states and 270 transitions. Second operand 9 states. [2020-11-07 04:11:29,263 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:11:31,843 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:11:32,286 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:11:32,677 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:11:33,061 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:11:33,434 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:11:33,997 WARN L194 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:11:34,414 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:11:34,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:11:34,845 INFO L93 Difference]: Finished difference Result 593 states and 701 transitions. [2020-11-07 04:11:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 04:11:34,846 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 182 [2020-11-07 04:11:34,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:11:34,852 INFO L225 Difference]: With dead ends: 593 [2020-11-07 04:11:34,852 INFO L226 Difference]: Without dead ends: 457 [2020-11-07 04:11:34,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:11:34,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-11-07 04:11:35,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 380. [2020-11-07 04:11:35,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-11-07 04:11:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 422 transitions. [2020-11-07 04:11:35,012 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 422 transitions. Word has length 182 [2020-11-07 04:11:35,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:11:35,013 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 422 transitions. [2020-11-07 04:11:35,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 04:11:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 422 transitions. [2020-11-07 04:11:35,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-11-07 04:11:35,017 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:11:35,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:11:35,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:11:35,018 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:11:35,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:11:35,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1466683393, now seen corresponding path program 1 times [2020-11-07 04:11:35,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:11:35,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317465682] [2020-11-07 04:11:35,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:11:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,407 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:11:35,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:11:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:11:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:11:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:11:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:11:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:11:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 04:11:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:11:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:11:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:11:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-07 04:11:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-11-07 04:11:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-11-07 04:11:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:11:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:11:35,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317465682] [2020-11-07 04:11:35,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:11:35,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-07 04:11:35,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23830968] [2020-11-07 04:11:35,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-07 04:11:35,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:11:35,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-07 04:11:35,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-07 04:11:35,626 INFO L87 Difference]: Start difference. First operand 380 states and 422 transitions. Second operand 6 states. [2020-11-07 04:11:36,234 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:11:36,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:11:36,975 INFO L93 Difference]: Finished difference Result 560 states and 642 transitions. [2020-11-07 04:11:36,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-07 04:11:36,976 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-11-07 04:11:36,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:11:36,978 INFO L225 Difference]: With dead ends: 560 [2020-11-07 04:11:36,978 INFO L226 Difference]: Without dead ends: 295 [2020-11-07 04:11:36,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:11:36,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-11-07 04:11:37,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 274. [2020-11-07 04:11:37,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-11-07 04:11:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 289 transitions. [2020-11-07 04:11:37,083 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 289 transitions. Word has length 192 [2020-11-07 04:11:37,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:11:37,084 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 289 transitions. [2020-11-07 04:11:37,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-07 04:11:37,084 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 289 transitions. [2020-11-07 04:11:37,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-11-07 04:11:37,086 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:11:37,087 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:11:37,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:11:37,087 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:11:37,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:11:37,088 INFO L82 PathProgramCache]: Analyzing trace with hash 2132265585, now seen corresponding path program 1 times [2020-11-07 04:11:37,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:11:37,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316644975] [2020-11-07 04:11:37,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:11:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:11:37,165 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:11:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:11:37,237 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:11:37,431 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 04:11:37,431 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 04:11:37,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:11:37,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:11:37 BoogieIcfgContainer [2020-11-07 04:11:37,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 04:11:37,673 INFO L168 Benchmark]: Toolchain (without parser) took 23453.50 ms. Allocated memory was 151.0 MB in the beginning and 382.7 MB in the end (delta: 231.7 MB). Free memory was 127.5 MB in the beginning and 251.4 MB in the end (delta: -123.9 MB). Peak memory consumption was 108.8 MB. Max. memory is 8.0 GB. [2020-11-07 04:11:37,673 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 104.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 04:11:37,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.95 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 105.7 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-11-07 04:11:37,675 INFO L168 Benchmark]: Boogie Preprocessor took 163.31 ms. Allocated memory is still 151.0 MB. Free memory was 105.7 MB in the beginning and 132.0 MB in the end (delta: -26.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 8.0 GB. [2020-11-07 04:11:37,676 INFO L168 Benchmark]: RCFGBuilder took 1469.50 ms. Allocated memory is still 151.0 MB. Free memory was 132.0 MB in the beginning and 118.1 MB in the end (delta: 13.9 MB). Peak memory consumption was 54.2 MB. Max. memory is 8.0 GB. [2020-11-07 04:11:37,677 INFO L168 Benchmark]: TraceAbstraction took 21173.29 ms. Allocated memory was 151.0 MB in the beginning and 382.7 MB in the end (delta: 231.7 MB). Free memory was 117.6 MB in the beginning and 251.4 MB in the end (delta: -133.8 MB). Peak memory consumption was 97.9 MB. Max. memory is 8.0 GB. [2020-11-07 04:11:37,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 104.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 627.95 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 105.7 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 163.31 ms. Allocated memory is still 151.0 MB. Free memory was 105.7 MB in the beginning and 132.0 MB in the end (delta: -26.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1469.50 ms. Allocated memory is still 151.0 MB. Free memory was 132.0 MB in the beginning and 118.1 MB in the end (delta: 13.9 MB). Peak memory consumption was 54.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21173.29 ms. Allocated memory was 151.0 MB in the beginning and 382.7 MB in the end (delta: 231.7 MB). Free memory was 117.6 MB in the beginning and 251.4 MB in the end (delta: -133.8 MB). Peak memory consumption was 97.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L85] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=181, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=143, cleanupTimeShifts=181, head={182:169}, methaneLevelCritical=146, pumpRunning=136, systemActive=135, waterLevel=1] [L86] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=169, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=143, cleanupTimeShifts=181, head={182:169}, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L343] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=181, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=143, cleanupTimeShifts=181, head={0:0}, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L587] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=181, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L688] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=169, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=135, waterLevel=1] [L689] int systemActive = 1; VAL [\old(cleanupTimeShifts)=181, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L663] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L664] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L668] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L669] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L670] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L569] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L572] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L573] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L670] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L670] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L672] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L674] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L675] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L657] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L884] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L885] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L886] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L887] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L888] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L891] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L893] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L895] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L901] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L903] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L905] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L103] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L104] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L911] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L913] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L921] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L923] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L936] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L695] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L702] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L704] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L750] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L753] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L768] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L724] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L727] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L742] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L768] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L704] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L710] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L47] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L48] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L49] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L53] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L124] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L128] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L53] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L53] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L55] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L59] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L156] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L159] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L160] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L59] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L59] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L61] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L63] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L819] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L822] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L823] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L63] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L63] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L65] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L69] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product29.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 643 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 20.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 16.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1143 SDtfs, 1626 SDslu, 1384 SDs, 0 SdLazy, 2720 SolverSat, 479 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred 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: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 207 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1049 NumberOfCodeBlocks, 1049 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 857 ConstructedInterpolants, 0 QuantifiedInterpolants, 378652 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...