/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_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 23:56:39,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 23:56:39,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 23:56:39,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 23:56:39,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 23:56:39,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 23:56:39,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 23:56:39,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 23:56:39,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 23:56:39,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 23:56:39,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 23:56:39,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 23:56:39,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 23:56:39,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 23:56:39,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 23:56:39,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 23:56:39,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 23:56:39,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 23:56:39,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 23:56:39,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 23:56:39,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 23:56:39,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 23:56:39,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 23:56:39,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 23:56:39,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 23:56:39,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 23:56:39,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 23:56:39,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 23:56:39,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 23:56:39,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 23:56:39,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 23:56:39,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 23:56:39,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 23:56:39,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 23:56:39,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 23:56:39,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 23:56:39,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 23:56:39,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 23:56:39,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 23:56:39,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 23:56:39,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 23:56:39,603 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 23:56:39,625 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 23:56:39,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 23:56:39,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 23:56:39,627 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 23:56:39,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 23:56:39,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 23:56:39,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 23:56:39,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 23:56:39,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 23:56:39,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 23:56:39,630 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 23:56:39,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 23:56:39,630 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 23:56:39,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 23:56:39,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 23:56:39,631 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 23:56:39,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 23:56:39,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 23:56:39,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:56:39,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 23:56:39,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 23:56:39,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 23:56:39,633 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-23 23:56:40,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 23:56:40,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 23:56:40,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 23:56:40,108 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 23:56:40,109 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 23:56:40,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product04.cil.c [2020-10-23 23:56:40,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ab9911c2/a274bc36bfe74a66aae532bfdcd97941/FLAG90fb67c8a [2020-10-23 23:56:40,842 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 23:56:40,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product04.cil.c [2020-10-23 23:56:40,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ab9911c2/a274bc36bfe74a66aae532bfdcd97941/FLAG90fb67c8a [2020-10-23 23:56:41,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ab9911c2/a274bc36bfe74a66aae532bfdcd97941 [2020-10-23 23:56:41,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 23:56:41,182 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 23:56:41,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 23:56:41,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 23:56:41,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 23:56:41,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:56:41" (1/1) ... [2020-10-23 23:56:41,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd032a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:41, skipping insertion in model container [2020-10-23 23:56:41,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:56:41" (1/1) ... [2020-10-23 23:56:41,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 23:56:41,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 23:56:41,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:56:41,656 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 23:56:41,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:56:41,774 INFO L208 MainTranslator]: Completed translation [2020-10-23 23:56:41,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:41 WrapperNode [2020-10-23 23:56:41,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 23:56:41,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 23:56:41,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 23:56:41,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 23:56:41,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:41" (1/1) ... [2020-10-23 23:56:41,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:41" (1/1) ... [2020-10-23 23:56:41,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:41" (1/1) ... [2020-10-23 23:56:41,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:41" (1/1) ... [2020-10-23 23:56:41,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:41" (1/1) ... [2020-10-23 23:56:41,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:41" (1/1) ... [2020-10-23 23:56:41,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:41" (1/1) ... [2020-10-23 23:56:41,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 23:56:41,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 23:56:41,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 23:56:41,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 23:56:41,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:41" (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 23:56:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 23:56:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 23:56:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 23:56:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 23:56:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 23:56:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 23:56:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 23:56:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 23:56:42,038 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 23:56:42,038 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 23:56:42,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 23:56:42,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 23:56:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 23:56:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 23:56:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 23:56:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 23:56:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 23:56:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 23:56:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 23:56:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 23:56:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 23:56:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 23:56:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 23:56:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 23:56:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 23:56:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 23:56:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:56:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 23:56:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 23:56:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 23:56:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 23:56:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 23:56:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 23:56:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 23:56:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-23 23:56:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-23 23:56:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 23:56:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 23:56:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 23:56:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 23:56:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 23:56:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 23:56:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 23:56:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 23:56:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 23:56:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 23:56:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 23:56:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 23:56:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 23:56:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 23:56:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 23:56:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 23:56:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 23:56:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 23:56:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 23:56:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 23:56:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 23:56:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 23:56:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 23:56:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 23:56:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 23:56:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 23:56:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 23:56:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 23:56:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 23:56:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 23:56:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 23:56:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 23:56:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 23:56:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 23:56:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 23:56:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 23:56:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 23:56:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 23:56:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 23:56:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 23:56:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 23:56:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 23:56:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:56:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 23:56:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 23:56:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-23 23:56:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-23 23:56:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 23:56:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 23:56:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 23:56:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 23:56:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 23:56:43,121 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 23:56:43,123 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 23:56:43,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:56:43 BoogieIcfgContainer [2020-10-23 23:56:43,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 23:56:43,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 23:56:43,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 23:56:43,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 23:56:43,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:56:41" (1/3) ... [2020-10-23 23:56:43,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@625fcfa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:56:43, skipping insertion in model container [2020-10-23 23:56:43,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:41" (2/3) ... [2020-10-23 23:56:43,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@625fcfa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:56:43, skipping insertion in model container [2020-10-23 23:56:43,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:56:43" (3/3) ... [2020-10-23 23:56:43,138 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product04.cil.c [2020-10-23 23:56:43,151 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 23:56:43,157 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 23:56:43,171 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 23:56:43,208 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 23:56:43,208 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 23:56:43,208 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-23 23:56:43,208 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 23:56:43,208 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 23:56:43,208 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 23:56:43,209 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 23:56:43,209 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 23:56:43,242 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states. [2020-10-23 23:56:43,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-23 23:56:43,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:56:43,291 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 23:56:43,292 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 23:56:43,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:56:43,299 INFO L82 PathProgramCache]: Analyzing trace with hash 348133695, now seen corresponding path program 1 times [2020-10-23 23:56:43,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:56:43,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474342915] [2020-10-23 23:56:43,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:56:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:44,026 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:56:44,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:56:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:44,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:56:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:44,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:56:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:44,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:56:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:44,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:56:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:44,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:56:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:44,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:56:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:44,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:56:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:44,266 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 23:56:44,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474342915] [2020-10-23 23:56:44,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:56:44,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 23:56:44,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351874966] [2020-10-23 23:56:44,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 23:56:44,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:56:44,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 23:56:44,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:56:44,293 INFO L87 Difference]: Start difference. First operand 280 states. Second operand 3 states. [2020-10-23 23:56:45,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:56:45,719 INFO L93 Difference]: Finished difference Result 404 states and 482 transitions. [2020-10-23 23:56:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 23:56:45,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-23 23:56:45,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:56:45,738 INFO L225 Difference]: With dead ends: 404 [2020-10-23 23:56:45,738 INFO L226 Difference]: Without dead ends: 260 [2020-10-23 23:56:45,743 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 23:56:45,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-23 23:56:45,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 220. [2020-10-23 23:56:45,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-23 23:56:45,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 235 transitions. [2020-10-23 23:56:45,871 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 235 transitions. Word has length 159 [2020-10-23 23:56:45,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:56:45,872 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 235 transitions. [2020-10-23 23:56:45,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 23:56:45,872 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 235 transitions. [2020-10-23 23:56:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-23 23:56:45,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:56:45,877 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 23:56:45,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 23:56:45,877 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 23:56:45,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:56:45,878 INFO L82 PathProgramCache]: Analyzing trace with hash 192684030, now seen corresponding path program 1 times [2020-10-23 23:56:45,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:56:45,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509875263] [2020-10-23 23:56:45,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:56:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:46,357 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:56:46,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:56:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:46,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:56:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:46,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:56:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:56:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:46,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:56:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:46,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-23 23:56:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:46,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-23 23:56:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:46,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-23 23:56:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:46,450 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 23:56:46,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509875263] [2020-10-23 23:56:46,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:56:46,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 23:56:46,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363057506] [2020-10-23 23:56:46,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 23:56:46,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:56:46,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 23:56:46,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 23:56:46,454 INFO L87 Difference]: Start difference. First operand 220 states and 235 transitions. Second operand 4 states. [2020-10-23 23:56:47,303 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:56:48,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:56:48,101 INFO L93 Difference]: Finished difference Result 305 states and 339 transitions. [2020-10-23 23:56:48,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 23:56:48,107 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-10-23 23:56:48,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:56:48,118 INFO L225 Difference]: With dead ends: 305 [2020-10-23 23:56:48,118 INFO L226 Difference]: Without dead ends: 243 [2020-10-23 23:56:48,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 23:56:48,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-23 23:56:48,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 210. [2020-10-23 23:56:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-10-23 23:56:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 222 transitions. [2020-10-23 23:56:48,239 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 222 transitions. Word has length 160 [2020-10-23 23:56:48,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:56:48,239 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 222 transitions. [2020-10-23 23:56:48,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 23:56:48,240 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 222 transitions. [2020-10-23 23:56:48,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-23 23:56:48,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:56:48,243 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 23:56:48,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 23:56:48,243 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 23:56:48,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:56:48,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1361226376, now seen corresponding path program 1 times [2020-10-23 23:56:48,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:56:48,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939110054] [2020-10-23 23:56:48,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:56:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:48,685 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:56:48,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:56:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:48,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:56:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:48,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:56:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:48,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:56:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:48,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:56:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:48,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-23 23:56:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:48,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-23 23:56:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:48,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-23 23:56:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:48,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-23 23:56:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:48,859 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 23:56:48,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939110054] [2020-10-23 23:56:48,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:56:48,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 23:56:48,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63778291] [2020-10-23 23:56:48,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:56:48,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:56:48,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:56:48,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:56:48,863 INFO L87 Difference]: Start difference. First operand 210 states and 222 transitions. Second operand 10 states. [2020-10-23 23:56:49,700 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:56:50,159 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:56:50,559 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:56:50,940 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:56:51,331 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:56:51,692 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:56:52,835 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:56:54,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:56:54,803 INFO L93 Difference]: Finished difference Result 559 states and 647 transitions. [2020-10-23 23:56:54,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 23:56:54,806 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-10-23 23:56:54,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:56:54,812 INFO L225 Difference]: With dead ends: 559 [2020-10-23 23:56:54,812 INFO L226 Difference]: Without dead ends: 464 [2020-10-23 23:56:54,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-23 23:56:54,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-23 23:56:54,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 363. [2020-10-23 23:56:54,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-10-23 23:56:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 398 transitions. [2020-10-23 23:56:54,989 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 398 transitions. Word has length 173 [2020-10-23 23:56:54,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:56:54,990 INFO L481 AbstractCegarLoop]: Abstraction has 363 states and 398 transitions. [2020-10-23 23:56:54,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:56:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 398 transitions. [2020-10-23 23:56:54,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-23 23:56:54,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:56:54,994 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] [2020-10-23 23:56:54,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 23:56:54,995 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 23:56:54,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:56:54,995 INFO L82 PathProgramCache]: Analyzing trace with hash -2138961886, now seen corresponding path program 1 times [2020-10-23 23:56:54,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:56:54,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109540365] [2020-10-23 23:56:54,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:56:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:55,432 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:56:55,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:56:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:55,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:56:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:55,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:56:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:55,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:56:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:55,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:56:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:55,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-23 23:56:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:55,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:56:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:55,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-23 23:56:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:55,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 23:56:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:55,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-23 23:56:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:55,661 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 23:56:55,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109540365] [2020-10-23 23:56:55,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:56:55,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 23:56:55,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839120712] [2020-10-23 23:56:55,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:56:55,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:56:55,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:56:55,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:56:55,666 INFO L87 Difference]: Start difference. First operand 363 states and 398 transitions. Second operand 9 states. [2020-10-23 23:56:56,336 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:56:58,128 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:56:58,545 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:56:58,955 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:56:59,391 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:56:59,758 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:57:00,162 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:00,538 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:57:01,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:57:01,184 INFO L93 Difference]: Finished difference Result 916 states and 1084 transitions. [2020-10-23 23:57:01,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-23 23:57:01,186 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-23 23:57:01,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:57:01,199 INFO L225 Difference]: With dead ends: 916 [2020-10-23 23:57:01,200 INFO L226 Difference]: Without dead ends: 668 [2020-10-23 23:57:01,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 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 23:57:01,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2020-10-23 23:57:01,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 585. [2020-10-23 23:57:01,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-10-23 23:57:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 661 transitions. [2020-10-23 23:57:01,550 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 661 transitions. Word has length 176 [2020-10-23 23:57:01,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:57:01,551 INFO L481 AbstractCegarLoop]: Abstraction has 585 states and 661 transitions. [2020-10-23 23:57:01,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:57:01,551 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 661 transitions. [2020-10-23 23:57:01,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-23 23:57:01,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:57:01,555 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] [2020-10-23 23:57:01,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 23:57:01,556 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 23:57:01,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:57:01,557 INFO L82 PathProgramCache]: Analyzing trace with hash -183750465, now seen corresponding path program 1 times [2020-10-23 23:57:01,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:57:01,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676788079] [2020-10-23 23:57:01,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:57:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:57:01,660 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:57:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:57:01,756 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:57:01,984 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 23:57:01,984 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 23:57:01,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 23:57:02,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:57:02 BoogieIcfgContainer [2020-10-23 23:57:02,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 23:57:02,239 INFO L168 Benchmark]: Toolchain (without parser) took 21063.07 ms. Allocated memory was 125.8 MB in the beginning and 389.0 MB in the end (delta: 263.2 MB). Free memory was 100.7 MB in the beginning and 168.5 MB in the end (delta: -67.8 MB). Peak memory consumption was 196.3 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:02,240 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory is still 90.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 23:57:02,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.30 ms. Allocated memory is still 125.8 MB. Free memory was 100.1 MB in the beginning and 80.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:02,245 INFO L168 Benchmark]: Boogie Preprocessor took 169.82 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 80.0 MB in the beginning and 136.9 MB in the end (delta: -56.8 MB). Peak memory consumption was 7.2 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:02,246 INFO L168 Benchmark]: RCFGBuilder took 1179.35 ms. Allocated memory is still 155.2 MB. Free memory was 136.8 MB in the beginning and 84.8 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:02,246 INFO L168 Benchmark]: TraceAbstraction took 19106.79 ms. Allocated memory was 155.2 MB in the beginning and 389.0 MB in the end (delta: 233.8 MB). Free memory was 84.3 MB in the beginning and 168.5 MB in the end (delta: -84.2 MB). Peak memory consumption was 149.6 MB. Max. memory is 8.0 GB. [2020-10-23 23:57:02,253 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 125.8 MB. Free memory is still 90.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 589.30 ms. Allocated memory is still 125.8 MB. Free memory was 100.1 MB in the beginning and 80.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 169.82 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 80.0 MB in the beginning and 136.9 MB in the end (delta: -56.8 MB). Peak memory consumption was 7.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1179.35 ms. Allocated memory is still 155.2 MB. Free memory was 136.8 MB in the beginning and 84.8 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19106.79 ms. Allocated memory was 155.2 MB in the beginning and 389.0 MB in the end (delta: 233.8 MB). Free memory was 84.3 MB in the beginning and 168.5 MB in the end (delta: -84.2 MB). Peak memory consumption was 149.6 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: [L48] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=148, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=145, cleanupTimeShifts=180, head={182:170}, methaneLevelCritical=148, pumpRunning=137, systemActive=136, waterLevel=1] [L49] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=148, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=145, cleanupTimeShifts=180, head={182:170}, methaneLevelCritical=0, pumpRunning=137, systemActive=136, waterLevel=1] [L297] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=148, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=145, cleanupTimeShifts=180, head={0:0}, methaneLevelCritical=0, pumpRunning=137, systemActive=136, waterLevel=1] [L532] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=148, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=137, systemActive=136, waterLevel=1] [L679] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=148, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=136, waterLevel=1] [L680] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=148, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L608] 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] [L609] 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] [L613] 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] [L614] 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] [L615] 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] [L523] 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] [L526] 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] [L527] 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] [L615] 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] [L615] 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] [L617] 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] [L619] 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] [L620] 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] [L602] 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] [L810] 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] [L811] 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] [L812] 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] [L813] 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] [L814] 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] [L817] 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] [L819] 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] [L821] 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] [L827] 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] [L829] 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] [L831] 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] [L66] 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] [L67] 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] [L831] 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] [L837] 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] [L839] 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] [L847] tmp___2 = __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___2=1, waterLevel=2] [L849] COND TRUE \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=1, waterLevel=2] [L851] CALL startSystem() 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] [L804] systemActive = 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] [L851] RET startSystem() 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=1, waterLevel=2] [L866] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L686] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L695] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L701] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L642] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] 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=1, waterLevel=2] [L644] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L648] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L87] 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=1, waterLevel=2] [L90] 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=1, waterLevel=2] [L91] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L648] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L648] 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=1, tmp=0, waterLevel=2] [L650] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L654] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L119] 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=1, waterLevel=2] [L122] 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=1, waterLevel=2] [L123] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L654] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L654] 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=1, tmp=0, tmp___0=2, waterLevel=2] [L656] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L658] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L741] 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=1, waterLevel=2] [L744] 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=1, waterLevel=2] [L745] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L658] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L658] 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=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L660] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L664] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L635] 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=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product04.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=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 601 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 824 SDtfs, 1041 SDslu, 1475 SDs, 0 SdLazy, 2375 SolverSat, 338 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=585occurred 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: 0.7s AutomataMinimizationTime, 4 MinimizatonAttempts, 257 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 849 NumberOfCodeBlocks, 849 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 664 ConstructedInterpolants, 0 QuantifiedInterpolants, 273656 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...