/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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 23:57:13,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 23:57:13,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 23:57:13,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 23:57:13,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 23:57:13,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 23:57:13,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 23:57:13,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 23:57:13,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 23:57:13,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 23:57:13,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 23:57:13,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 23:57:13,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 23:57:13,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 23:57:13,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 23:57:13,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 23:57:13,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 23:57:13,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 23:57:13,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 23:57:13,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 23:57:13,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 23:57:13,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 23:57:13,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 23:57:13,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 23:57:13,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 23:57:13,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 23:57:13,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 23:57:13,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 23:57:13,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 23:57:13,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 23:57:13,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 23:57:13,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 23:57:13,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 23:57:13,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 23:57:13,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 23:57:13,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 23:57:13,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 23:57:13,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 23:57:13,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 23:57:13,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 23:57:13,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 23:57:13,747 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 23:57:13,767 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 23:57:13,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 23:57:13,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 23:57:13,769 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 23:57:13,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 23:57:13,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 23:57:13,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 23:57:13,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 23:57:13,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 23:57:13,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 23:57:13,772 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 23:57:13,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 23:57:13,773 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 23:57:13,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 23:57:13,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 23:57:13,773 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 23:57:13,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 23:57:13,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 23:57:13,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:57:13,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 23:57:13,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 23:57:13,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 23:57:13,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-23 23:57:14,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 23:57:14,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 23:57:14,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 23:57:14,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 23:57:14,165 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 23:57:14,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product08.cil.c [2020-10-23 23:57:14,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4069428/4d2ba09ffdab4098b7e0e968472ad621/FLAG0c2f3c25a [2020-10-23 23:57:15,030 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 23:57:15,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product08.cil.c [2020-10-23 23:57:15,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4069428/4d2ba09ffdab4098b7e0e968472ad621/FLAG0c2f3c25a [2020-10-23 23:57:15,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4069428/4d2ba09ffdab4098b7e0e968472ad621 [2020-10-23 23:57:15,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 23:57:15,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 23:57:15,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 23:57:15,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 23:57:15,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 23:57:15,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:57:15" (1/1) ... [2020-10-23 23:57:15,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a525dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:15, skipping insertion in model container [2020-10-23 23:57:15,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:57:15" (1/1) ... [2020-10-23 23:57:15,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 23:57:15,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 23:57:15,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:57:15,695 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 23:57:15,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:57:15,818 INFO L208 MainTranslator]: Completed translation [2020-10-23 23:57:15,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:15 WrapperNode [2020-10-23 23:57:15,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 23:57:15,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 23:57:15,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 23:57:15,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 23:57:15,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:15" (1/1) ... [2020-10-23 23:57:15,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:15" (1/1) ... [2020-10-23 23:57:15,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:15" (1/1) ... [2020-10-23 23:57:15,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:15" (1/1) ... [2020-10-23 23:57:15,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:15" (1/1) ... [2020-10-23 23:57:15,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:15" (1/1) ... [2020-10-23 23:57:15,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:15" (1/1) ... [2020-10-23 23:57:15,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 23:57:15,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 23:57:15,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 23:57:15,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 23:57:15,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:15" (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 [2020-10-23 23:57:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 23:57:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 23:57:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 23:57:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 23:57:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:57:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 23:57:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 23:57:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 23:57:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 23:57:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 23:57:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 23:57:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 23:57:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 23:57:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 23:57:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 23:57:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 23:57:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 23:57:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 23:57:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 23:57:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 23:57:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 23:57:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 23:57:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 23:57:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 23:57:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 23:57:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 23:57:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 23:57:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-23 23:57:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-23 23:57:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 23:57:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 23:57:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 23:57:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 23:57:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 23:57:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 23:57:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 23:57:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 23:57:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 23:57:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 23:57:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 23:57:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 23:57:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 23:57:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 23:57:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 23:57:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 23:57:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 23:57:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 23:57:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 23:57:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:57:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 23:57:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 23:57:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 23:57:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 23:57:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 23:57:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 23:57:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 23:57:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 23:57:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 23:57:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 23:57:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 23:57:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 23:57:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 23:57:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 23:57:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 23:57:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 23:57:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 23:57:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 23:57:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 23:57:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-23 23:57:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-23 23:57:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 23:57:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 23:57:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 23:57:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 23:57:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 23:57:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 23:57:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 23:57:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 23:57:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 23:57:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 23:57:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 23:57:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 23:57:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 23:57:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 23:57:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 23:57:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 23:57:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 23:57:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 23:57:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 23:57:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 23:57:17,359 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 23:57:17,359 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 23:57:17,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:57:17 BoogieIcfgContainer [2020-10-23 23:57:17,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 23:57:17,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 23:57:17,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 23:57:17,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 23:57:17,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:57:15" (1/3) ... [2020-10-23 23:57:17,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cd5b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:57:17, skipping insertion in model container [2020-10-23 23:57:17,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:57:15" (2/3) ... [2020-10-23 23:57:17,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cd5b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:57:17, skipping insertion in model container [2020-10-23 23:57:17,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:57:17" (3/3) ... [2020-10-23 23:57:17,371 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product08.cil.c [2020-10-23 23:57:17,382 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 23:57:17,388 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 23:57:17,401 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 23:57:17,425 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 23:57:17,425 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 23:57:17,425 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-23 23:57:17,425 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 23:57:17,425 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 23:57:17,425 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 23:57:17,426 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 23:57:17,426 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 23:57:17,447 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states. [2020-10-23 23:57:17,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-23 23:57:17,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:17,468 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] [2020-10-23 23:57:17,468 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]=== [2020-10-23 23:57:17,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:17,475 INFO L82 PathProgramCache]: Analyzing trace with hash 222956994, now seen corresponding path program 1 times [2020-10-23 23:57:17,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:17,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888111128] [2020-10-23 23:57:17,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:18,242 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:57:18,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:57:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:18,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:57:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:18,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:57:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:18,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:57:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:18,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:57:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:18,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:57:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:18,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:57:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:18,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:57:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:18,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:57:18,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888111128] [2020-10-23 23:57:18,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:57:18,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 23:57:18,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571526145] [2020-10-23 23:57:18,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 23:57:18,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:57:18,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 23:57:18,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:57:18,502 INFO L87 Difference]: Start difference. First operand 294 states. Second operand 3 states. [2020-10-23 23:57:20,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:57:20,098 INFO L93 Difference]: Finished difference Result 446 states and 535 transitions. [2020-10-23 23:57:20,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 23:57:20,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-23 23:57:20,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:57:20,117 INFO L225 Difference]: With dead ends: 446 [2020-10-23 23:57:20,117 INFO L226 Difference]: Without dead ends: 282 [2020-10-23 23:57:20,122 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 [2020-10-23 23:57:20,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-23 23:57:20,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 240. [2020-10-23 23:57:20,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-10-23 23:57:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 260 transitions. [2020-10-23 23:57:20,316 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 260 transitions. Word has length 159 [2020-10-23 23:57:20,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:57:20,317 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 260 transitions. [2020-10-23 23:57:20,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 23:57:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 260 transitions. [2020-10-23 23:57:20,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-23 23:57:20,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:20,322 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] [2020-10-23 23:57:20,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 23:57:20,323 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]=== [2020-10-23 23:57:20,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:20,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1979568266, now seen corresponding path program 1 times [2020-10-23 23:57:20,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:20,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015596457] [2020-10-23 23:57:20,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:20,907 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:57:20,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:57:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:20,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:57:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:20,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:57:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:20,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:57:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:20,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:57:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:21,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-23 23:57:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:21,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-23 23:57:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:21,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-23 23:57:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:21,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:57:21,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015596457] [2020-10-23 23:57:21,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:57:21,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 23:57:21,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488659523] [2020-10-23 23:57:21,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 23:57:21,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:57:21,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 23:57:21,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 23:57:21,053 INFO L87 Difference]: Start difference. First operand 240 states and 260 transitions. Second operand 4 states. [2020-10-23 23:57:22,142 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:57:23,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:57:23,087 INFO L93 Difference]: Finished difference Result 350 states and 394 transitions. [2020-10-23 23:57:23,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 23:57:23,088 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-10-23 23:57:23,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:57:23,093 INFO L225 Difference]: With dead ends: 350 [2020-10-23 23:57:23,093 INFO L226 Difference]: Without dead ends: 265 [2020-10-23 23:57:23,095 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 [2020-10-23 23:57:23,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-10-23 23:57:23,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 230. [2020-10-23 23:57:23,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-10-23 23:57:23,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 247 transitions. [2020-10-23 23:57:23,196 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 247 transitions. Word has length 160 [2020-10-23 23:57:23,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:57:23,198 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 247 transitions. [2020-10-23 23:57:23,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 23:57:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 247 transitions. [2020-10-23 23:57:23,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-23 23:57:23,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:23,204 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] [2020-10-23 23:57:23,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 23:57:23,205 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]=== [2020-10-23 23:57:23,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:23,206 INFO L82 PathProgramCache]: Analyzing trace with hash 628213075, now seen corresponding path program 1 times [2020-10-23 23:57:23,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:23,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1821360435] [2020-10-23 23:57:23,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,712 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:57:23,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:57:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:57:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:57:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:57:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:57:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-23 23:57:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-23 23:57:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-23 23:57:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-23 23:57:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:57:23,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1821360435] [2020-10-23 23:57:23,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:57:23,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 23:57:23,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908494628] [2020-10-23 23:57:23,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:57:23,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:57:23,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:57:23,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:57:23,931 INFO L87 Difference]: Start difference. First operand 230 states and 247 transitions. Second operand 10 states. [2020-10-23 23:57:24,663 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:57:25,127 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:57:25,523 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:57:25,895 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:26,283 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:57:26,661 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:27,797 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:57:30,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:57:30,180 INFO L93 Difference]: Finished difference Result 623 states and 728 transitions. [2020-10-23 23:57:30,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 23:57:30,186 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-10-23 23:57:30,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:57:30,193 INFO L225 Difference]: With dead ends: 623 [2020-10-23 23:57:30,196 INFO L226 Difference]: Without dead ends: 508 [2020-10-23 23:57:30,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-23 23:57:30,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-10-23 23:57:30,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 415. [2020-10-23 23:57:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-10-23 23:57:30,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 464 transitions. [2020-10-23 23:57:30,427 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 464 transitions. Word has length 173 [2020-10-23 23:57:30,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:57:30,427 INFO L481 AbstractCegarLoop]: Abstraction has 415 states and 464 transitions. [2020-10-23 23:57:30,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:57:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 464 transitions. [2020-10-23 23:57:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-23 23:57:30,431 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:30,431 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] [2020-10-23 23:57:30,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 23:57:30,432 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]=== [2020-10-23 23:57:30,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:30,432 INFO L82 PathProgramCache]: Analyzing trace with hash -571830235, now seen corresponding path program 1 times [2020-10-23 23:57:30,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:30,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1360641932] [2020-10-23 23:57:30,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:30,854 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:57:30,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:57:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:30,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:57:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:30,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:57:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:30,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:57:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:30,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:57:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:30,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-23 23:57:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:30,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-23 23:57:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:30,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-23 23:57:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:30,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-23 23:57:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:57:31,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1360641932] [2020-10-23 23:57:31,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:57:31,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 23:57:31,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130307630] [2020-10-23 23:57:31,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:57:31,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:57:31,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:57:31,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:57:31,017 INFO L87 Difference]: Start difference. First operand 415 states and 464 transitions. Second operand 9 states. [2020-10-23 23:57:31,728 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:57:33,764 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:34,177 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:57:34,594 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:35,027 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:57:35,400 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:57:35,777 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:36,137 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:37,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:57:37,077 INFO L93 Difference]: Finished difference Result 1092 states and 1322 transitions. [2020-10-23 23:57:37,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-23 23:57:37,077 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 178 [2020-10-23 23:57:37,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:57:37,086 INFO L225 Difference]: With dead ends: 1092 [2020-10-23 23:57:37,086 INFO L226 Difference]: Without dead ends: 792 [2020-10-23 23:57:37,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-23 23:57:37,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-10-23 23:57:37,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 693. [2020-10-23 23:57:37,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-10-23 23:57:37,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 799 transitions. [2020-10-23 23:57:37,454 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 799 transitions. Word has length 178 [2020-10-23 23:57:37,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:57:37,455 INFO L481 AbstractCegarLoop]: Abstraction has 693 states and 799 transitions. [2020-10-23 23:57:37,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:57:37,455 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 799 transitions. [2020-10-23 23:57:37,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-23 23:57:37,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:37,460 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] [2020-10-23 23:57:37,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 23:57:37,460 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]=== [2020-10-23 23:57:37,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:37,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1247772573, now seen corresponding path program 1 times [2020-10-23 23:57:37,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:37,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165930312] [2020-10-23 23:57:37,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:57:37,540 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:57:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:57:37,613 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:57:37,801 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 23:57:37,801 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 23:57:37,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 23:57:38,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:57:38 BoogieIcfgContainer [2020-10-23 23:57:38,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 23:57:38,045 INFO L168 Benchmark]: Toolchain (without parser) took 22717.96 ms. Allocated memory was 151.0 MB in the beginning and 415.2 MB in the end (delta: 264.2 MB). Free memory was 126.6 MB in the beginning and 370.5 MB in the end (delta: -243.9 MB). Peak memory consumption was 253.5 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:38,046 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 128.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 23:57:38,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.59 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 105.6 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:38,048 INFO L168 Benchmark]: Boogie Preprocessor took 109.05 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 101.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:38,048 INFO L168 Benchmark]: RCFGBuilder took 1432.41 ms. Allocated memory is still 151.0 MB. Free memory was 101.4 MB in the beginning and 77.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:38,049 INFO L168 Benchmark]: TraceAbstraction took 20679.54 ms. Allocated memory was 151.0 MB in the beginning and 415.2 MB in the end (delta: 264.2 MB). Free memory was 76.8 MB in the beginning and 370.5 MB in the end (delta: -293.7 MB). Peak memory consumption was 202.8 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:38,052 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 151.0 MB. Free memory is still 128.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 484.59 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 105.6 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 109.05 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 101.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1432.41 ms. Allocated memory is still 151.0 MB. Free memory was 101.4 MB in the beginning and 77.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20679.54 ms. Allocated memory was 151.0 MB in the beginning and 415.2 MB in the end (delta: 264.2 MB). Free memory was 76.8 MB in the beginning and 370.5 MB in the end (delta: -293.7 MB). Peak memory consumption was 202.8 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: [L249] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=166, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=180, head={0:0}, methaneLevelCritical=146, pumpRunning=136, systemActive=135, waterLevel=141] [L450] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=166, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=180, head={0:0}, methaneLevelCritical=146, pumpRunning=136, systemActive=135, waterLevel=1] [L451] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=166, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=180, head={0:0}, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L615] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=166, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=180, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=135, waterLevel=1] [L616] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=166, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=180, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L809] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=166, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L882] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L883] 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] [L887] 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] [L888] 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] [L889] 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] [L800] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L803] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L804] 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] [L889] 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] [L889] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L891] 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] [L893] 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] [L894] 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] [L876] 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] [L544] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L545] 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] [L546] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L547] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L548] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L551] 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] [L553] 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] [L555] 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] [L561] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L563] 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] [L565] 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] [L468] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] 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] [L565] 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] [L571] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L573] 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] [L581] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L583] COND FALSE !(\read(tmp___2)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L589] tmp___1 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L591] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L593] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L758] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L593] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L600] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L622] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L629] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L637] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L47] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L48] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L49] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L53] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L489] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L492] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L493] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L53] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L53] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L55] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L59] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L521] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L524] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L525] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L59] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L59] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L63] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L703] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L706] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L707] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L63] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L63] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L65] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L69] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L534] CALL 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=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product08.cil.c", 3, "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=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 613 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 20.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 16.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 934 SDtfs, 1313 SDslu, 1462 SDs, 0 SdLazy, 2773 SolverSat, 489 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=693occurred 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: 0.8s AutomataMinimizationTime, 4 MinimizatonAttempts, 269 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 853 NumberOfCodeBlocks, 853 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 666 ConstructedInterpolants, 0 QuantifiedInterpolants, 276430 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...