/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_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 23:56:57,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 23:56:57,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 23:56:57,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 23:56:57,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 23:56:57,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 23:56:57,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 23:56:57,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 23:56:57,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 23:56:57,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 23:56:57,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 23:56:57,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 23:56:57,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 23:56:57,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 23:56:57,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 23:56:57,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 23:56:57,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 23:56:57,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 23:56:57,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 23:56:57,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 23:56:57,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 23:56:57,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 23:56:57,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 23:56:57,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 23:56:57,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 23:56:57,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 23:56:57,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 23:56:57,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 23:56:57,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 23:56:57,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 23:56:57,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 23:56:57,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 23:56:57,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 23:56:57,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 23:56:57,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 23:56:57,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 23:56:57,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 23:56:57,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 23:56:57,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 23:56:57,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 23:56:57,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 23:56:57,782 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 23:56:57,805 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 23:56:57,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 23:56:57,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 23:56:57,811 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 23:56:57,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 23:56:57,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 23:56:57,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 23:56:57,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 23:56:57,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 23:56:57,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 23:56:57,813 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 23:56:57,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 23:56:57,814 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 23:56:57,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 23:56:57,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 23:56:57,815 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 23:56:57,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 23:56:57,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 23:56:57,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:56:57,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 23:56:57,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 23:56:57,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 23:56:57,816 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-23 23:56:58,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 23:56:58,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 23:56:58,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 23:56:58,305 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 23:56:58,306 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 23:56:58,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c [2020-10-23 23:56:58,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b62decb9/9f6c43dba1a04b8abf3528a516b8fa56/FLAGeebac953b [2020-10-23 23:56:59,076 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 23:56:59,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c [2020-10-23 23:56:59,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b62decb9/9f6c43dba1a04b8abf3528a516b8fa56/FLAGeebac953b [2020-10-23 23:56:59,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b62decb9/9f6c43dba1a04b8abf3528a516b8fa56 [2020-10-23 23:56:59,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 23:56:59,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 23:56:59,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 23:56:59,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 23:56:59,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 23:56:59,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:56:59" (1/1) ... [2020-10-23 23:56:59,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec93ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:59, skipping insertion in model container [2020-10-23 23:56:59,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:56:59" (1/1) ... [2020-10-23 23:56:59,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 23:56:59,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 23:56:59,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:56:59,803 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 23:56:59,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:56:59,938 INFO L208 MainTranslator]: Completed translation [2020-10-23 23:56:59,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:59 WrapperNode [2020-10-23 23:56:59,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 23:56:59,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 23:56:59,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 23:56:59,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 23:56:59,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:59" (1/1) ... [2020-10-23 23:56:59,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:59" (1/1) ... [2020-10-23 23:56:59,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:59" (1/1) ... [2020-10-23 23:56:59,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:59" (1/1) ... [2020-10-23 23:57:00,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:59" (1/1) ... [2020-10-23 23:57:00,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:59" (1/1) ... [2020-10-23 23:57:00,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:59" (1/1) ... [2020-10-23 23:57:00,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 23:57:00,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 23:57:00,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 23:57:00,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 23:57:00,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:59" (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 23:57:00,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 23:57:00,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 23:57:00,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 23:57:00,129 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 23:57:00,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 23:57:00,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 23:57:00,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 23:57:00,129 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 23:57:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 23:57:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 23:57:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 23:57:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 23:57:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 23:57:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 23:57:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 23:57:00,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 23:57:00,143 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 23:57:00,144 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 23:57:00,144 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 23:57:00,145 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 23:57:00,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 23:57:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 23:57:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 23:57:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 23:57:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 23:57:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 23:57:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 23:57:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 23:57:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 23:57:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 23:57:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 23:57:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 23:57:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 23:57:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 23:57:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 23:57:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:57:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 23:57:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 23:57:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 23:57:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 23:57:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 23:57:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 23:57:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 23:57:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 23:57:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 23:57:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 23:57:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 23:57:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 23:57:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 23:57:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 23:57:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 23:57:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 23:57:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 23:57:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 23:57:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 23:57:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:57:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 23:57:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 23:57:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 23:57:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 23:57:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 23:57:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 23:57:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 23:57:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 23:57:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 23:57:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 23:57:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 23:57:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 23:57:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 23:57:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 23:57:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 23:57:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 23:57:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 23:57:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 23:57:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 23:57:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 23:57:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 23:57:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 23:57:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 23:57:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 23:57:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 23:57:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 23:57:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 23:57:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 23:57:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 23:57:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 23:57:01,590 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 23:57:01,590 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 23:57:01,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:57:01 BoogieIcfgContainer [2020-10-23 23:57:01,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 23:57:01,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 23:57:01,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 23:57:01,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 23:57:01,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:56:59" (1/3) ... [2020-10-23 23:57:01,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd456c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:57:01, skipping insertion in model container [2020-10-23 23:57:01,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:59" (2/3) ... [2020-10-23 23:57:01,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd456c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:57:01, skipping insertion in model container [2020-10-23 23:57:01,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:57:01" (3/3) ... [2020-10-23 23:57:01,603 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2020-10-23 23:57:01,616 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 23:57:01,622 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 23:57:01,636 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 23:57:01,659 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 23:57:01,659 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 23:57:01,659 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-23 23:57:01,659 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 23:57:01,659 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 23:57:01,659 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 23:57:01,659 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 23:57:01,660 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 23:57:01,683 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-23 23:57:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-23 23:57:01,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:01,705 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 23:57:01,706 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 23:57:01,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:01,713 INFO L82 PathProgramCache]: Analyzing trace with hash -20690576, now seen corresponding path program 1 times [2020-10-23 23:57:01,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:01,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730708471] [2020-10-23 23:57:01,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:02,522 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:57:02,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:57:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:02,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:57:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:02,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:57:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:02,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:57:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:02,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:57:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:02,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:57:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:02,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:57:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:02,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:57:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:02,779 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 23:57:02,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730708471] [2020-10-23 23:57:02,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:57:02,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 23:57:02,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234052320] [2020-10-23 23:57:02,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 23:57:02,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:57:02,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 23:57:02,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:57:02,818 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-23 23:57:04,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:57:04,527 INFO L93 Difference]: Finished difference Result 423 states and 506 transitions. [2020-10-23 23:57:04,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 23:57:04,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-23 23:57:04,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:57:04,550 INFO L225 Difference]: With dead ends: 423 [2020-10-23 23:57:04,551 INFO L226 Difference]: Without dead ends: 269 [2020-10-23 23:57:04,561 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 23:57:04,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-23 23:57:04,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 230. [2020-10-23 23:57:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-10-23 23:57:04,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 248 transitions. [2020-10-23 23:57:04,775 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 248 transitions. Word has length 159 [2020-10-23 23:57:04,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:57:04,778 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 248 transitions. [2020-10-23 23:57:04,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 23:57:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 248 transitions. [2020-10-23 23:57:04,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-23 23:57:04,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:04,791 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 23:57:04,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 23:57:04,792 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 23:57:04,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:04,793 INFO L82 PathProgramCache]: Analyzing trace with hash -936596827, now seen corresponding path program 1 times [2020-10-23 23:57:04,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:04,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276651730] [2020-10-23 23:57:04,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:05,401 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:57:05,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:57:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:05,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:57:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:05,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:57:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:05,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:57:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:05,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:57:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:05,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-23 23:57:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:05,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-23 23:57:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:05,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-23 23:57:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:05,530 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 23:57:05,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276651730] [2020-10-23 23:57:05,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:57:05,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 23:57:05,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447786853] [2020-10-23 23:57:05,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 23:57:05,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:57:05,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 23:57:05,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 23:57:05,536 INFO L87 Difference]: Start difference. First operand 230 states and 248 transitions. Second operand 4 states. [2020-10-23 23:57:06,454 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:57:07,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:57:07,388 INFO L93 Difference]: Finished difference Result 337 states and 377 transitions. [2020-10-23 23:57:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 23:57:07,391 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-10-23 23:57:07,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:57:07,396 INFO L225 Difference]: With dead ends: 337 [2020-10-23 23:57:07,397 INFO L226 Difference]: Without dead ends: 252 [2020-10-23 23:57:07,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 23:57:07,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-10-23 23:57:07,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 220. [2020-10-23 23:57:07,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-23 23:57:07,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 235 transitions. [2020-10-23 23:57:07,491 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 235 transitions. Word has length 160 [2020-10-23 23:57:07,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:57:07,492 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 235 transitions. [2020-10-23 23:57:07,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 23:57:07,492 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 235 transitions. [2020-10-23 23:57:07,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-23 23:57:07,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:07,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:57:07,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 23:57:07,495 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 23:57:07,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:07,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1341556427, now seen corresponding path program 1 times [2020-10-23 23:57:07,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:07,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [883431097] [2020-10-23 23:57:07,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:08,017 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:57:08,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:57:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:08,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:57:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:08,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:57:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:08,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:57:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:08,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:57:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:08,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:57:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:08,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:57:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:08,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-23 23:57:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:08,232 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 23:57:08,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [883431097] [2020-10-23 23:57:08,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:57:08,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 23:57:08,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166245029] [2020-10-23 23:57:08,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:57:08,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:57:08,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:57:08,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:57:08,235 INFO L87 Difference]: Start difference. First operand 220 states and 235 transitions. Second operand 9 states. [2020-10-23 23:57:08,877 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:57:09,369 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:57:09,787 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:57:10,163 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:10,579 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:57:10,959 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:12,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:57:12,534 INFO L93 Difference]: Finished difference Result 357 states and 402 transitions. [2020-10-23 23:57:12,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 23:57:12,535 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169 [2020-10-23 23:57:12,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:57:12,558 INFO L225 Difference]: With dead ends: 357 [2020-10-23 23:57:12,558 INFO L226 Difference]: Without dead ends: 252 [2020-10-23 23:57:12,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-23 23:57:12,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-10-23 23:57:12,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 220. [2020-10-23 23:57:12,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-23 23:57:12,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 234 transitions. [2020-10-23 23:57:12,675 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 234 transitions. Word has length 169 [2020-10-23 23:57:12,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:57:12,683 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 234 transitions. [2020-10-23 23:57:12,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:57:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 234 transitions. [2020-10-23 23:57:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-23 23:57:12,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:12,687 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:57:12,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 23:57:12,693 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 23:57:12,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:12,694 INFO L82 PathProgramCache]: Analyzing trace with hash -370871702, now seen corresponding path program 1 times [2020-10-23 23:57:12,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:12,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366915942] [2020-10-23 23:57:12,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:13,174 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:57:13,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:57:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:13,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:57:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:13,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:57:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:13,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:57:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:13,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:57:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:13,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 23:57:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:13,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:57:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:13,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-23 23:57:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:13,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:57:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:13,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:57:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:57:13,354 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 23:57:13,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [366915942] [2020-10-23 23:57:13,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:57:13,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 23:57:13,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823138275] [2020-10-23 23:57:13,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:57:13,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:57:13,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:57:13,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:57:13,357 INFO L87 Difference]: Start difference. First operand 220 states and 234 transitions. Second operand 9 states. [2020-10-23 23:57:14,073 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:57:16,305 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:16,783 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:57:17,192 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:17,593 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:57:17,963 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:18,538 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:57:18,966 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:19,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:57:19,360 INFO L93 Difference]: Finished difference Result 496 states and 587 transitions. [2020-10-23 23:57:19,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-23 23:57:19,361 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-23 23:57:19,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:57:19,365 INFO L225 Difference]: With dead ends: 496 [2020-10-23 23:57:19,365 INFO L226 Difference]: Without dead ends: 391 [2020-10-23 23:57:19,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-23 23:57:19,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-10-23 23:57:19,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 316. [2020-10-23 23:57:19,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-10-23 23:57:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 347 transitions. [2020-10-23 23:57:19,526 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 347 transitions. Word has length 177 [2020-10-23 23:57:19,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:57:19,527 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 347 transitions. [2020-10-23 23:57:19,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:57:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 347 transitions. [2020-10-23 23:57:19,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-23 23:57:19,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:19,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:57:19,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 23:57:19,531 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 23:57:19,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:19,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1502642453, now seen corresponding path program 1 times [2020-10-23 23:57:19,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:19,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481285120] [2020-10-23 23:57:19,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:57:19,607 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:57:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:57:19,682 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:57:19,919 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 23:57:19,919 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 23:57:19,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 23:57:20,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:57:20 BoogieIcfgContainer [2020-10-23 23:57:20,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 23:57:20,240 INFO L168 Benchmark]: Toolchain (without parser) took 20843.67 ms. Allocated memory was 161.5 MB in the beginning and 418.4 MB in the end (delta: 256.9 MB). Free memory was 136.5 MB in the beginning and 353.8 MB in the end (delta: -217.3 MB). Peak memory consumption was 254.4 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:20,241 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 161.5 MB. Free memory is still 136.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 23:57:20,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.18 ms. Allocated memory is still 161.5 MB. Free memory was 135.9 MB in the beginning and 115.7 MB in the end (delta: 20.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:20,243 INFO L168 Benchmark]: Boogie Preprocessor took 110.35 ms. Allocated memory is still 161.5 MB. Free memory was 115.7 MB in the beginning and 111.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:20,244 INFO L168 Benchmark]: RCFGBuilder took 1543.09 ms. Allocated memory was 161.5 MB in the beginning and 194.0 MB in the end (delta: 32.5 MB). Free memory was 111.9 MB in the beginning and 136.0 MB in the end (delta: -24.0 MB). Peak memory consumption was 32.4 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:20,245 INFO L168 Benchmark]: TraceAbstraction took 18643.24 ms. Allocated memory was 194.0 MB in the beginning and 418.4 MB in the end (delta: 224.4 MB). Free memory was 135.4 MB in the beginning and 353.8 MB in the end (delta: -218.4 MB). Peak memory consumption was 219.9 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:20,248 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 161.5 MB. Free memory is still 136.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 533.18 ms. Allocated memory is still 161.5 MB. Free memory was 135.9 MB in the beginning and 115.7 MB in the end (delta: 20.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 110.35 ms. Allocated memory is still 161.5 MB. Free memory was 115.7 MB in the beginning and 111.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1543.09 ms. Allocated memory was 161.5 MB in the beginning and 194.0 MB in the end (delta: 32.5 MB). Free memory was 111.9 MB in the beginning and 136.0 MB in the end (delta: -24.0 MB). Peak memory consumption was 32.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18643.24 ms. Allocated memory was 194.0 MB in the beginning and 418.4 MB in the end (delta: 224.4 MB). Free memory was 135.4 MB in the beginning and 353.8 MB in the end (delta: -218.4 MB). Peak memory consumption was 219.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L97] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=181, \old(head)=172, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=144, \old(systemActive)=143, \old(waterLevel)=147, cleanupTimeShifts=181, head={182:172}, methaneLevelCritical=151, pumpRunning=0, systemActive=143, waterLevel=147] [L98] int systemActive = 1; VAL [\old(cleanupTimeShifts)=181, \old(head)=172, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=144, \old(systemActive)=143, \old(waterLevel)=147, cleanupTimeShifts=181, head={182:172}, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=147] [L299] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=181, \old(head)=172, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=144, \old(systemActive)=143, \old(waterLevel)=147, cleanupTimeShifts=4, head={182:172}, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=147] [L564] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=172, \old(methaneLevelCritical)=151, \old(pumpRunning)=144, \old(systemActive)=143, \old(waterLevel)=147, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=147] [L762] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=172, \old(methaneLevelCritical)=151, \old(pumpRunning)=144, \old(systemActive)=143, \old(waterLevel)=147, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=1] [L763] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=172, \old(methaneLevelCritical)=151, \old(pumpRunning)=144, \old(systemActive)=143, \old(waterLevel)=147, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L372] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L373] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L377] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L378] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L379] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L74] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L75] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L379] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L379] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L381] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L383] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L384] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L366] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L235] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L236] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L237] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L238] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L239] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L242] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L244] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L246] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L252] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L254] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L256] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L780] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L781] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L256] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L262] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L264] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L272] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L274] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L287] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L105] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L112] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L114] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L134] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L137] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L152] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L114] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L120] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L843] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L844] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L845] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L849] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L801] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L804] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L805] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L849] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L849] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L851] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L855] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L833] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L836] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L837] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L855] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L855] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L857] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L859] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L186] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L190] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L859] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L859] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L861] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L865] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L84] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product05.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 603 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 842 SDtfs, 961 SDslu, 1153 SDs, 0 SdLazy, 2167 SolverSat, 324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred 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: 0.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 178 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 847 NumberOfCodeBlocks, 847 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 661 ConstructedInterpolants, 0 QuantifiedInterpolants, 283518 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...