/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:04:32,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:04:32,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:04:32,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:04:32,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:04:32,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:04:32,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:04:32,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:04:32,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:04:32,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:04:32,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:04:32,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:04:32,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:04:32,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:04:32,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:04:32,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:04:32,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:04:32,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:04:32,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:04:32,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:04:32,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:04:32,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:04:32,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:04:32,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:04:32,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:04:32,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:04:32,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:04:32,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:04:32,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:04:32,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:04:32,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:04:32,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:04:32,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:04:32,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:04:32,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:04:32,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:04:32,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:04:32,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:04:32,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:04:32,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:04:32,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:04:32,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-19 17:04:32,817 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:04:32,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:04:32,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:04:32,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:04:32,821 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:04:32,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:04:32,822 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:04:32,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:04:32,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:04:32,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:04:32,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:04:32,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:04:32,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:04:32,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:04:32,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:04:32,825 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:04:32,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:04:32,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:04:32,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:04:32,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:04:32,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:04:32,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:04:32,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:04:32,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:04:32,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:04:32,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:04:32,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:04:32,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:04:32,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:04:33,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:04:33,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:04:33,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:04:33,252 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:04:33,253 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:04:33,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product30.cil.c [2021-02-19 17:04:33,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/476520e2e/e764eab1d8944d1bb52421c3251108c4/FLAG8e76861b5 [2021-02-19 17:04:34,197 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:04:34,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product30.cil.c [2021-02-19 17:04:34,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/476520e2e/e764eab1d8944d1bb52421c3251108c4/FLAG8e76861b5 [2021-02-19 17:04:34,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/476520e2e/e764eab1d8944d1bb52421c3251108c4 [2021-02-19 17:04:34,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:04:34,462 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:04:34,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:04:34,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:04:34,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:04:34,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:04:34" (1/1) ... [2021-02-19 17:04:34,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@529f9725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:04:34, skipping insertion in model container [2021-02-19 17:04:34,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:04:34" (1/1) ... [2021-02-19 17:04:34,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:04:34,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:04:34,834 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product30.cil.c[17117,17130] [2021-02-19 17:04:34,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:04:34,854 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:04:34,953 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product30.cil.c[17117,17130] [2021-02-19 17:04:34,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:04:35,013 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:04:35,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:04:35 WrapperNode [2021-02-19 17:04:35,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:04:35,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:04:35,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:04:35,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:04:35,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:04:35" (1/1) ... [2021-02-19 17:04:35,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:04:35" (1/1) ... [2021-02-19 17:04:35,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:04:35" (1/1) ... [2021-02-19 17:04:35,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:04:35" (1/1) ... [2021-02-19 17:04:35,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:04:35" (1/1) ... [2021-02-19 17:04:35,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:04:35" (1/1) ... [2021-02-19 17:04:35,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:04:35" (1/1) ... [2021-02-19 17:04:35,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:04:35,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:04:35,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:04:35,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:04:35,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:04:35" (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 [2021-02-19 17:04:35,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:04:35,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:04:35,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 17:04:35,251 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:04:35,251 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 17:04:35,252 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 17:04:35,252 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 17:04:35,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 17:04:35,252 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 17:04:35,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 17:04:35,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-19 17:04:35,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 17:04:35,253 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 17:04:35,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 17:04:35,253 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 17:04:35,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:04:35,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 17:04:35,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 17:04:35,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 17:04:35,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 17:04:35,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 17:04:35,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 17:04:35,254 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 17:04:35,255 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 17:04:35,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 17:04:35,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-19 17:04:35,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 17:04:35,255 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 17:04:35,255 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 17:04:35,256 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 17:04:35,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 17:04:35,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 17:04:35,256 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 17:04:35,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-19 17:04:35,256 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-19 17:04:35,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 17:04:35,256 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 17:04:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 17:04:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 17:04:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 17:04:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2021-02-19 17:04:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:04:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:04:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:04:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:04:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:04:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 17:04:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 17:04:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 17:04:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 17:04:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 17:04:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 17:04:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 17:04:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-19 17:04:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 17:04:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 17:04:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 17:04:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 17:04:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 17:04:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 17:04:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 17:04:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 17:04:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 17:04:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 17:04:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:04:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:04:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:04:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 17:04:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:04:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:04:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:04:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:04:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 17:04:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:04:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 17:04:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 17:04:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:04:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 17:04:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 17:04:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 17:04:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-19 17:04:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 17:04:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 17:04:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 17:04:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2021-02-19 17:04:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 17:04:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 17:04:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-19 17:04:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-19 17:04:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 17:04:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 17:04:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 17:04:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 17:04:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:04:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:04:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:04:36,771 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:04:36,772 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 17:04:36,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:04:36 BoogieIcfgContainer [2021-02-19 17:04:36,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:04:36,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:04:36,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:04:36,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:04:36,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:04:34" (1/3) ... [2021-02-19 17:04:36,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b232d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:04:36, skipping insertion in model container [2021-02-19 17:04:36,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:04:35" (2/3) ... [2021-02-19 17:04:36,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b232d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:04:36, skipping insertion in model container [2021-02-19 17:04:36,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:04:36" (3/3) ... [2021-02-19 17:04:36,794 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product30.cil.c [2021-02-19 17:04:36,807 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:04:36,818 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:04:36,842 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:04:36,929 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:04:36,930 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:04:36,931 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:04:36,931 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:04:36,932 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:04:36,932 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:04:36,932 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:04:36,932 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:04:36,969 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2021-02-19 17:04:36,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-19 17:04:36,986 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:04:36,988 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] [2021-02-19 17:04:36,988 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:04:36,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:04:37,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1827430878, now seen corresponding path program 1 times [2021-02-19 17:04:37,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:04:37,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93160085] [2021-02-19 17:04:37,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:04:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:37,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:37,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:37,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:37,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:37,830 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 17:04:37,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:04:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:37,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:37,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:37,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:04:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:37,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:37,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:37,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:04:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:37,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:37,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:37,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:04:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:37,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:37,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:37,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:04:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:37,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:37,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:37,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 17:04:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:37,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:37,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:37,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 17:04:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:37,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:37,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:37,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 17:04:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:37,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:37,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:04:37,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93160085] [2021-02-19 17:04:37,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:04:37,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 17:04:37,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964113159] [2021-02-19 17:04:37,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 17:04:37,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:04:37,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 17:04:37,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 17:04:37,957 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 3 states. [2021-02-19 17:04:39,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:04:39,268 INFO L93 Difference]: Finished difference Result 300 states and 394 transitions. [2021-02-19 17:04:39,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 17:04:39,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2021-02-19 17:04:39,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:04:39,286 INFO L225 Difference]: With dead ends: 300 [2021-02-19 17:04:39,286 INFO L226 Difference]: Without dead ends: 162 [2021-02-19 17:04:39,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 17:04:39,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-02-19 17:04:39,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 129. [2021-02-19 17:04:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2021-02-19 17:04:39,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2021-02-19 17:04:39,414 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 52 [2021-02-19 17:04:39,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:04:39,415 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2021-02-19 17:04:39,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 17:04:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2021-02-19 17:04:39,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-02-19 17:04:39,419 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:04:39,419 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] [2021-02-19 17:04:39,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:04:39,420 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:04:39,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:04:39,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1751065388, now seen corresponding path program 1 times [2021-02-19 17:04:39,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:04:39,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624425979] [2021-02-19 17:04:39,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:04:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:39,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:39,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:39,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:39,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:39,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:39,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:39,851 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 17:04:39,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:04:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:39,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:39,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:39,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:04:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:39,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:39,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:39,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:04:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:39,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:39,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:39,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:04:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:39,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:39,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:39,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:04:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:39,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:39,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:39,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 17:04:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:39,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:39,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:39,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 17:04:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:39,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:39,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:39,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 17:04:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:39,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:39,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:39,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:04:39,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624425979] [2021-02-19 17:04:39,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:04:39,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:04:39,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971792965] [2021-02-19 17:04:39,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:04:39,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:04:39,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:04:39,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:04:39,923 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand 4 states. [2021-02-19 17:04:40,598 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:04:41,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:04:41,691 INFO L93 Difference]: Finished difference Result 229 states and 281 transitions. [2021-02-19 17:04:41,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 17:04:41,693 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2021-02-19 17:04:41,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:04:41,696 INFO L225 Difference]: With dead ends: 229 [2021-02-19 17:04:41,696 INFO L226 Difference]: Without dead ends: 146 [2021-02-19 17:04:41,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:04:41,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-02-19 17:04:41,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 120. [2021-02-19 17:04:41,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2021-02-19 17:04:41,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2021-02-19 17:04:41,750 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2021-02-19 17:04:41,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:04:41,750 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2021-02-19 17:04:41,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:04:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2021-02-19 17:04:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-02-19 17:04:41,753 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:04:41,753 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] [2021-02-19 17:04:41,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:04:41,754 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:04:41,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:04:41,754 INFO L82 PathProgramCache]: Analyzing trace with hash 565319140, now seen corresponding path program 1 times [2021-02-19 17:04:41,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:04:41,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472550342] [2021-02-19 17:04:41,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:04:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:41,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:41,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:41,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:41,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:41,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:41,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:41,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:41,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:41,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:41,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:04:41,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:41,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:04:41,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:41,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:04:41,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:41,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:42,256 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 17:04:42,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:04:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:42,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:42,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:04:42,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:04:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:42,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:42,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:42,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:04:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:42,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:42,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:42,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:04:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:42,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:42,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:42,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:04:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:42,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:42,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:42,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 17:04:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:42,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:42,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:42,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 17:04:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:42,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:42,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:42,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 17:04:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:42,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:42,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:42,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:04:42,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472550342] [2021-02-19 17:04:42,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:04:42,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 17:04:42,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636584434] [2021-02-19 17:04:42,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 17:04:42,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:04:42,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 17:04:42,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 17:04:42,351 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 8 states. [2021-02-19 17:04:42,917 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 17:04:43,367 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 17:04:43,732 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 17:04:44,132 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 17:04:45,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:04:45,451 INFO L93 Difference]: Finished difference Result 242 states and 299 transitions. [2021-02-19 17:04:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 17:04:45,452 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2021-02-19 17:04:45,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:04:45,454 INFO L225 Difference]: With dead ends: 242 [2021-02-19 17:04:45,454 INFO L226 Difference]: Without dead ends: 146 [2021-02-19 17:04:45,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-19 17:04:45,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-02-19 17:04:45,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 120. [2021-02-19 17:04:45,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2021-02-19 17:04:45,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2021-02-19 17:04:45,502 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 58 [2021-02-19 17:04:45,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:04:45,502 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2021-02-19 17:04:45,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 17:04:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2021-02-19 17:04:45,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-02-19 17:04:45,506 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:04:45,506 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] [2021-02-19 17:04:45,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:04:45,506 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:04:45,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:04:45,507 INFO L82 PathProgramCache]: Analyzing trace with hash 346078691, now seen corresponding path program 1 times [2021-02-19 17:04:45,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:04:45,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285372308] [2021-02-19 17:04:45,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:04:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:45,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:45,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:45,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:45,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:45,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:45,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:45,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:45,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:45,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:45,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:45,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:45,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:45,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:45,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:45,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:45,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:45,958 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 17:04:45,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:04:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:45,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:45,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:04:45,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:04:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:45,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:45,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:45,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:04:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:46,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:46,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:04:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:46,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:46,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:46,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:04:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:46,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:46,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:46,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-19 17:04:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:46,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:46,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:46,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 17:04:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:46,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:46,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:46,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 17:04:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:46,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:46,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:46,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 17:04:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:46,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:46,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:46,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-19 17:04:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:46,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:46,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:04:46,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-02-19 17:04:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:04:46,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:04:46,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:04:46,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:04:46,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285372308] [2021-02-19 17:04:46,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:04:46,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 17:04:46,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246858455] [2021-02-19 17:04:46,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 17:04:46,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:04:46,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 17:04:46,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 17:04:46,093 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 8 states. [2021-02-19 17:04:46,658 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 17:04:48,674 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 17:04:49,091 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 17:04:49,471 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 17:04:50,004 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 17:04:50,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:04:50,537 INFO L93 Difference]: Finished difference Result 363 states and 474 transitions. [2021-02-19 17:04:50,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 17:04:50,538 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2021-02-19 17:04:50,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:04:50,541 INFO L225 Difference]: With dead ends: 363 [2021-02-19 17:04:50,542 INFO L226 Difference]: Without dead ends: 267 [2021-02-19 17:04:50,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-02-19 17:04:50,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2021-02-19 17:04:50,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 216. [2021-02-19 17:04:50,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2021-02-19 17:04:50,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 258 transitions. [2021-02-19 17:04:50,629 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 258 transitions. Word has length 71 [2021-02-19 17:04:50,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:04:50,629 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 258 transitions. [2021-02-19 17:04:50,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 17:04:50,630 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 258 transitions. [2021-02-19 17:04:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-19 17:04:50,633 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:04:50,633 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] [2021-02-19 17:04:50,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:04:50,634 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:04:50,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:04:50,634 INFO L82 PathProgramCache]: Analyzing trace with hash 529511177, now seen corresponding path program 1 times [2021-02-19 17:04:50,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:04:50,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484580113] [2021-02-19 17:04:50,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:04:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:04:50,725 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:04:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:04:50,795 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:04:50,883 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-19 17:04:50,884 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-19 17:04:50,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 17:04:51,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:04:51 BoogieIcfgContainer [2021-02-19 17:04:51,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:04:51,060 INFO L168 Benchmark]: Toolchain (without parser) took 16607.92 ms. Allocated memory was 162.5 MB in the beginning and 389.0 MB in the end (delta: 226.5 MB). Free memory was 137.6 MB in the beginning and 352.1 MB in the end (delta: -214.4 MB). Peak memory consumption was 225.4 MB. Max. memory is 8.0 GB. [2021-02-19 17:04:51,063 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory is still 137.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:04:51,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.19 ms. Allocated memory is still 162.5 MB. Free memory was 136.6 MB in the beginning and 115.7 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:04:51,066 INFO L168 Benchmark]: Boogie Preprocessor took 113.00 ms. Allocated memory is still 162.5 MB. Free memory was 115.7 MB in the beginning and 111.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:04:51,068 INFO L168 Benchmark]: RCFGBuilder took 1634.21 ms. Allocated memory is still 162.5 MB. Free memory was 145.0 MB in the beginning and 56.7 MB in the end (delta: 88.3 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:04:51,071 INFO L168 Benchmark]: TraceAbstraction took 14273.98 ms. Allocated memory was 162.5 MB in the beginning and 389.0 MB in the end (delta: 226.5 MB). Free memory was 56.1 MB in the beginning and 352.1 MB in the end (delta: -295.9 MB). Peak memory consumption was 142.9 MB. Max. memory is 8.0 GB. [2021-02-19 17:04:51,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory is still 137.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 550.19 ms. Allocated memory is still 162.5 MB. Free memory was 136.6 MB in the beginning and 115.7 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 113.00 ms. Allocated memory is still 162.5 MB. Free memory was 115.7 MB in the beginning and 111.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1634.21 ms. Allocated memory is still 162.5 MB. Free memory was 145.0 MB in the beginning and 56.7 MB in the end (delta: 88.3 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14273.98 ms. Allocated memory was 162.5 MB in the beginning and 389.0 MB in the end (delta: 226.5 MB). Free memory was 56.1 MB in the beginning and 352.1 MB in the end (delta: -295.9 MB). Peak memory consumption was 142.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 885]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L138] int cleanupTimeShifts = 4; [L409] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L677] int pumpRunning = 0; [L678] int systemActive = 1; VAL [\old(cleanupTimeShifts)=181, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=150, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=147, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L217] int retValue_acc ; [L218] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L222] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L223] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L224] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L916] int retValue_acc ; [L919] retValue_acc = 1 [L920] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L224] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L224] tmp = valid_product() [L226] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L228] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L229] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L208] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L608] int splverifierCounter ; [L609] int tmp ; [L610] int tmp___0 ; [L611] int tmp___1 ; [L612] int tmp___2 ; [L615] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L617] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L619] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L625] tmp = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L629] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L629] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L635] tmp___0 = __VERIFIER_nondet_int() [L637] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L645] tmp___2 = __VERIFIER_nondet_int() [L647] COND FALSE !(\read(tmp___2)) [L653] tmp___1 = __VERIFIER_nondet_int() [L655] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L662] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L685] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L692] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L694] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L740] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L743] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L758] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L714] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L717] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L758] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L694] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L700] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L926] int tmp ; [L927] int tmp___0 ; [L928] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L932] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L932] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L932] tmp = isMethaneLevelCritical() [L934] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L938] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L938] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L938] tmp___0 = getWaterLevel() [L940] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L942] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L809] int retValue_acc ; [L812] retValue_acc = pumpRunning [L813] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L942] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L942] tmp___1 = isPumpRunning() [L944] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L948] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L885] reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 452 SDtfs, 663 SDslu, 241 SDs, 0 SdLazy, 1496 SolverSat, 429 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 136 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 69202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...