/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_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:12:47,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:12:47,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:12:47,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:12:47,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:12:47,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:12:47,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:12:47,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:12:47,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:12:47,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:12:47,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:12:47,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:12:47,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:12:47,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:12:47,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:12:47,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:12:47,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:12:47,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:12:47,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:12:47,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:12:47,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:12:47,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:12:47,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:12:47,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:12:47,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:12:47,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:12:47,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:12:47,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:12:47,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:12:47,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:12:47,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:12:47,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:12:47,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:12:47,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:12:47,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:12:47,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:12:47,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:12:47,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:12:47,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:12:47,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:12:47,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:12:47,914 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:12:47,937 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:12:47,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:12:47,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:12:47,943 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:12:47,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:12:47,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:12:47,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:12:47,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:12:47,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:12:47,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:12:47,945 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:12:47,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:12:47,946 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:12:47,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:12:47,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:12:47,947 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:12:47,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:12:47,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:12:47,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:12:47,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:12:47,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:12:47,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:12:47,948 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:12:48,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:12:48,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:12:48,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:12:48,431 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:12:48,431 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:12:48,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product59.cil.c [2020-11-07 04:12:48,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6db208e2/0bf56300c8e74c029ed08799d211c211/FLAG7e38df690 [2020-11-07 04:12:49,278 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:12:49,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product59.cil.c [2020-11-07 04:12:49,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6db208e2/0bf56300c8e74c029ed08799d211c211/FLAG7e38df690 [2020-11-07 04:12:49,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6db208e2/0bf56300c8e74c029ed08799d211c211 [2020-11-07 04:12:49,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:12:49,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:12:49,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:12:49,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:12:49,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:12:49,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:12:49" (1/1) ... [2020-11-07 04:12:49,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608853af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:49, skipping insertion in model container [2020-11-07 04:12:49,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:12:49" (1/1) ... [2020-11-07 04:12:49,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:12:49,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:12:50,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:12:50,122 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:12:50,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:12:50,268 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:12:50,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:50 WrapperNode [2020-11-07 04:12:50,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:12:50,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:12:50,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:12:50,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:12:50,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:50" (1/1) ... [2020-11-07 04:12:50,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:50" (1/1) ... [2020-11-07 04:12:50,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:50" (1/1) ... [2020-11-07 04:12:50,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:50" (1/1) ... [2020-11-07 04:12:50,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:50" (1/1) ... [2020-11-07 04:12:50,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:50" (1/1) ... [2020-11-07 04:12:50,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:50" (1/1) ... [2020-11-07 04:12:50,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:12:50,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:12:50,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:12:50,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:12:50,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:12:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:12:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:12:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:12:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:12:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:12:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:12:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:12:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:12:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:12:50,576 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:12:50,576 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:12:50,576 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:12:50,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:12:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:12:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:12:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:12:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-07 04:12:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:12:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:12:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:12:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:12:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:12:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:12:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:12:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:12:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:12:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-11-07 04:12:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:12:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:12:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:12:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:12:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:12:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:12:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:12:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:12:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:12:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:12:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:12:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:12:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:12:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-07 04:12:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 04:12:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:12:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:12:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:12:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:12:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:12:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:12:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:12:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:12:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:12:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:12:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:12:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:12:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:12:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:12:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:12:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:12:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:12:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:12:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:12:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:12:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:12:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:12:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:12:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:12:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:12:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:12:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:12:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:12:50,592 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-07 04:12:50,592 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:12:50,592 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:12:50,592 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:12:50,593 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:12:50,593 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:12:50,593 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:12:50,593 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:12:50,593 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:12:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:12:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:12:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:12:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:12:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:12:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:12:50,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-11-07 04:12:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 04:12:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:12:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:12:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:12:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:12:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:12:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:12:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-07 04:12:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:12:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:12:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:12:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:12:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:12:52,008 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:12:52,008 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:12:52,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:12:52 BoogieIcfgContainer [2020-11-07 04:12:52,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:12:52,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:12:52,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:12:52,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:12:52,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:12:49" (1/3) ... [2020-11-07 04:12:52,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c8c1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:12:52, skipping insertion in model container [2020-11-07 04:12:52,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:12:50" (2/3) ... [2020-11-07 04:12:52,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c8c1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:12:52, skipping insertion in model container [2020-11-07 04:12:52,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:12:52" (3/3) ... [2020-11-07 04:12:52,021 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product59.cil.c [2020-11-07 04:12:52,041 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:12:52,046 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:12:52,059 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:12:52,097 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:12:52,097 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:12:52,097 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:12:52,098 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:12:52,099 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:12:52,099 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:12:52,099 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:12:52,099 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:12:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states. [2020-11-07 04:12:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-07 04:12:52,148 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:12:52,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:12:52,149 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:12:52,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:12:52,156 INFO L82 PathProgramCache]: Analyzing trace with hash -437996140, now seen corresponding path program 1 times [2020-11-07 04:12:52,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:12:52,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912101631] [2020-11-07 04:12:52,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:12:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:53,064 WARN L194 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:12:53,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:12:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:53,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:12:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:53,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:12:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:53,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:12:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:53,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:12:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:53,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:12:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:53,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 04:12:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:53,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-07 04:12:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:53,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:12:53,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912101631] [2020-11-07 04:12:53,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:12:53,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 04:12:53,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83619066] [2020-11-07 04:12:53,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 04:12:53,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:12:53,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 04:12:53,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:12:53,294 INFO L87 Difference]: Start difference. First operand 355 states. Second operand 3 states. [2020-11-07 04:12:55,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:12:55,633 INFO L93 Difference]: Finished difference Result 571 states and 674 transitions. [2020-11-07 04:12:55,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 04:12:55,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-07 04:12:55,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:12:55,657 INFO L225 Difference]: With dead ends: 571 [2020-11-07 04:12:55,657 INFO L226 Difference]: Without dead ends: 346 [2020-11-07 04:12:55,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:12:55,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-11-07 04:12:55,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 301. [2020-11-07 04:12:55,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-11-07 04:12:55,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 328 transitions. [2020-11-07 04:12:55,848 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 328 transitions. Word has length 159 [2020-11-07 04:12:55,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:12:55,849 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 328 transitions. [2020-11-07 04:12:55,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 04:12:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 328 transitions. [2020-11-07 04:12:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-07 04:12:55,854 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:12:55,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:12:55,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:12:55,855 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:12:55,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:12:55,856 INFO L82 PathProgramCache]: Analyzing trace with hash -328574072, now seen corresponding path program 1 times [2020-11-07 04:12:55,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:12:55,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983688067] [2020-11-07 04:12:55,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:12:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:56,314 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:12:56,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:12:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:56,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:12:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:56,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:12:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:56,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:12:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:56,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:12:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:56,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-11-07 04:12:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:56,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-11-07 04:12:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:56,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-11-07 04:12:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:12:56,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983688067] [2020-11-07 04:12:56,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:12:56,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:12:56,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357009117] [2020-11-07 04:12:56,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:12:56,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:12:56,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:12:56,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:12:56,419 INFO L87 Difference]: Start difference. First operand 301 states and 328 transitions. Second operand 4 states. [2020-11-07 04:12:57,316 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:12:58,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:12:58,956 INFO L93 Difference]: Finished difference Result 479 states and 537 transitions. [2020-11-07 04:12:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 04:12:58,957 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-11-07 04:12:58,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:12:58,963 INFO L225 Difference]: With dead ends: 479 [2020-11-07 04:12:58,963 INFO L226 Difference]: Without dead ends: 329 [2020-11-07 04:12:58,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:12:58,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-11-07 04:12:59,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 291. [2020-11-07 04:12:59,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-11-07 04:12:59,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 315 transitions. [2020-11-07 04:12:59,124 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 315 transitions. Word has length 160 [2020-11-07 04:12:59,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:12:59,127 INFO L481 AbstractCegarLoop]: Abstraction has 291 states and 315 transitions. [2020-11-07 04:12:59,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:12:59,128 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 315 transitions. [2020-11-07 04:12:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-07 04:12:59,133 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:12:59,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:12:59,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:12:59,135 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:12:59,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:12:59,136 INFO L82 PathProgramCache]: Analyzing trace with hash -855781610, now seen corresponding path program 1 times [2020-11-07 04:12:59,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:12:59,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [162544485] [2020-11-07 04:12:59,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:12:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:59,797 WARN L194 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:12:59,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:12:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:59,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:12:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:59,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:12:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:12:59,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:12:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:00,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:13:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:00,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 04:13:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:00,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-07 04:13:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:00,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-07 04:13:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:13:00,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [162544485] [2020-11-07 04:13:00,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:13:00,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 04:13:00,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406848115] [2020-11-07 04:13:00,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 04:13:00,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:13:00,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 04:13:00,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-07 04:13:00,126 INFO L87 Difference]: Start difference. First operand 291 states and 315 transitions. Second operand 9 states. [2020-11-07 04:13:00,857 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:13:01,339 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:13:01,755 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:13:02,162 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:13:02,623 WARN L194 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:13:03,025 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:13:04,290 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:13:07,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:13:07,861 INFO L93 Difference]: Finished difference Result 790 states and 903 transitions. [2020-11-07 04:13:07,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 04:13:07,861 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169 [2020-11-07 04:13:07,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:13:07,867 INFO L225 Difference]: With dead ends: 790 [2020-11-07 04:13:07,867 INFO L226 Difference]: Without dead ends: 614 [2020-11-07 04:13:07,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-07 04:13:07,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2020-11-07 04:13:08,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 541. [2020-11-07 04:13:08,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-11-07 04:13:08,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 604 transitions. [2020-11-07 04:13:08,164 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 604 transitions. Word has length 169 [2020-11-07 04:13:08,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:13:08,164 INFO L481 AbstractCegarLoop]: Abstraction has 541 states and 604 transitions. [2020-11-07 04:13:08,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 04:13:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 604 transitions. [2020-11-07 04:13:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-07 04:13:08,168 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:13:08,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:13:08,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:13:08,169 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:13:08,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:13:08,170 INFO L82 PathProgramCache]: Analyzing trace with hash -579551249, now seen corresponding path program 1 times [2020-11-07 04:13:08,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:13:08,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398135809] [2020-11-07 04:13:08,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:13:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:08,589 WARN L194 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:13:08,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:13:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:08,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:13:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:08,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:13:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:08,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:13:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:08,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:13:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:08,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-11-07 04:13:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:08,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-11-07 04:13:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:08,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-11-07 04:13:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:08,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-11-07 04:13:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:08,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:13:08,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398135809] [2020-11-07 04:13:08,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:13:08,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 04:13:08,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381876559] [2020-11-07 04:13:08,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 04:13:08,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:13:08,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 04:13:08,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-07 04:13:08,780 INFO L87 Difference]: Start difference. First operand 541 states and 604 transitions. Second operand 9 states. [2020-11-07 04:13:09,448 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:13:12,087 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:13:12,560 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:13:13,016 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:13:13,553 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:13:13,982 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:13:14,394 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:13:14,796 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:13:16,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:13:16,384 INFO L93 Difference]: Finished difference Result 1479 states and 1762 transitions. [2020-11-07 04:13:16,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 04:13:16,384 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 178 [2020-11-07 04:13:16,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:13:16,393 INFO L225 Difference]: With dead ends: 1479 [2020-11-07 04:13:16,393 INFO L226 Difference]: Without dead ends: 1053 [2020-11-07 04:13:16,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:13:16,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2020-11-07 04:13:16,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 949. [2020-11-07 04:13:16,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2020-11-07 04:13:16,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1083 transitions. [2020-11-07 04:13:16,925 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1083 transitions. Word has length 178 [2020-11-07 04:13:16,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:13:16,926 INFO L481 AbstractCegarLoop]: Abstraction has 949 states and 1083 transitions. [2020-11-07 04:13:16,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 04:13:16,926 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1083 transitions. [2020-11-07 04:13:16,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-07 04:13:16,933 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:13:16,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:13:16,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:13:16,934 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:13:16,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:13:16,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1286883871, now seen corresponding path program 1 times [2020-11-07 04:13:16,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:13:16,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601359404] [2020-11-07 04:13:16,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:13:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:17,322 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:13:17,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:13:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:17,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:13:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:17,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:13:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:17,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:13:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:17,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:13:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:17,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-11-07 04:13:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:17,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-07 04:13:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:17,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-11-07 04:13:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:17,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-11-07 04:13:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:17,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-11-07 04:13:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:13:17,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:13:17,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601359404] [2020-11-07 04:13:17,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:13:17,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-07 04:13:17,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458446870] [2020-11-07 04:13:17,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-07 04:13:17,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:13:17,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-07 04:13:17,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-07 04:13:17,477 INFO L87 Difference]: Start difference. First operand 949 states and 1083 transitions. Second operand 6 states. [2020-11-07 04:13:18,147 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:13:21,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:13:21,238 INFO L93 Difference]: Finished difference Result 2112 states and 2522 transitions. [2020-11-07 04:13:21,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 04:13:21,239 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2020-11-07 04:13:21,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:13:21,247 INFO L225 Difference]: With dead ends: 2112 [2020-11-07 04:13:21,247 INFO L226 Difference]: Without dead ends: 1278 [2020-11-07 04:13:21,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:13:21,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2020-11-07 04:13:21,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1180. [2020-11-07 04:13:21,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1180 states. [2020-11-07 04:13:21,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1343 transitions. [2020-11-07 04:13:21,927 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1343 transitions. Word has length 183 [2020-11-07 04:13:21,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:13:21,928 INFO L481 AbstractCegarLoop]: Abstraction has 1180 states and 1343 transitions. [2020-11-07 04:13:21,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-07 04:13:21,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1343 transitions. [2020-11-07 04:13:21,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-07 04:13:21,932 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:13:21,932 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:13:21,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:13:21,933 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:13:21,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:13:21,934 INFO L82 PathProgramCache]: Analyzing trace with hash -2007826610, now seen corresponding path program 1 times [2020-11-07 04:13:21,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:13:21,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060861494] [2020-11-07 04:13:21,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:13:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:13:22,010 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:13:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:13:22,082 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:13:22,323 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 04:13:22,323 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 04:13:22,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:13:22,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:13:22 BoogieIcfgContainer [2020-11-07 04:13:22,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 04:13:22,634 INFO L168 Benchmark]: Toolchain (without parser) took 33040.01 ms. Allocated memory was 151.0 MB in the beginning and 596.6 MB in the end (delta: 445.6 MB). Free memory was 126.7 MB in the beginning and 343.7 MB in the end (delta: -217.1 MB). Peak memory consumption was 228.9 MB. Max. memory is 8.0 GB. [2020-11-07 04:13:22,640 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 125.4 MB in the end (delta: 80.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 04:13:22,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.90 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 103.9 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-11-07 04:13:22,642 INFO L168 Benchmark]: Boogie Preprocessor took 197.50 ms. Allocated memory is still 151.0 MB. Free memory was 103.9 MB in the beginning and 131.9 MB in the end (delta: -28.0 MB). Peak memory consumption was 4.5 MB. Max. memory is 8.0 GB. [2020-11-07 04:13:22,643 INFO L168 Benchmark]: RCFGBuilder took 1542.53 ms. Allocated memory is still 151.0 MB. Free memory was 131.4 MB in the beginning and 81.2 MB in the end (delta: 50.1 MB). Peak memory consumption was 63.3 MB. Max. memory is 8.0 GB. [2020-11-07 04:13:22,644 INFO L168 Benchmark]: TraceAbstraction took 30618.10 ms. Allocated memory was 151.0 MB in the beginning and 596.6 MB in the end (delta: 445.6 MB). Free memory was 80.7 MB in the beginning and 343.7 MB in the end (delta: -263.1 MB). Peak memory consumption was 182.1 MB. Max. memory is 8.0 GB. [2020-11-07 04:13:22,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 125.4 MB in the end (delta: 80.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 666.90 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 103.9 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 197.50 ms. Allocated memory is still 151.0 MB. Free memory was 103.9 MB in the beginning and 131.9 MB in the end (delta: -28.0 MB). Peak memory consumption was 4.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1542.53 ms. Allocated memory is still 151.0 MB. Free memory was 131.4 MB in the beginning and 81.2 MB in the end (delta: 50.1 MB). Peak memory consumption was 63.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30618.10 ms. Allocated memory was 151.0 MB in the beginning and 596.6 MB in the end (delta: 445.6 MB). Free memory was 80.7 MB in the beginning and 343.7 MB in the end (delta: -263.1 MB). Peak memory consumption was 182.1 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: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=179, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=150, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=142, cleanupTimeShifts=179, head={0:0}, methaneLevelCritical=150, pumpRunning=135, systemActive=134, waterLevel=142] [L416] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=179, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=150, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=142, cleanupTimeShifts=179, head={0:0}, methaneLevelCritical=150, pumpRunning=135, systemActive=134, waterLevel=1] [L417] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=179, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=150, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=142, cleanupTimeShifts=179, head={0:0}, methaneLevelCritical=0, pumpRunning=135, systemActive=134, waterLevel=1] [L519] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=179, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=150, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=135, systemActive=134, waterLevel=1] [L771] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=179, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=150, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=134, waterLevel=1] [L772] int systemActive = 1; VAL [\old(cleanupTimeShifts)=179, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=150, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L598] 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] [L599] 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] [L603] 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] [L604] 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] [L605] 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] [L647] 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] [L650] 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] [L651] 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] [L605] 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] [L605] 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] [L607] 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] [L609] 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] [L610] 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] [L589] 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] [L703] 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] [L704] 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] [L705] 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] [L706] 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] [L707] 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] [L710] 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] [L712] 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] [L714] 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] [L720] 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] [L722] 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] [L724] 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] [L434] 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] [L435] 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] [L724] 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] [L730] 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] [L732] 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] [L740] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L742] COND FALSE !(\read(tmp___2)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L746] tmp___1 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L748] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L750] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L989] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L996] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L750] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L757] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L778] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L785] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L793] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L659] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L660] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L661] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L665] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L455] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L458] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L459] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L665] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L665] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L667] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L671] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L487] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L490] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L491] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L671] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L671] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L673] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L675] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L903] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L906] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L907] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L675] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L675] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L677] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L681] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L696] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product59.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 671 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 30.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 24.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1426 SDtfs, 2245 SDslu, 1520 SDs, 0 SdLazy, 4192 SolverSat, 738 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1180occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 358 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1032 NumberOfCodeBlocks, 1032 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 844 ConstructedInterpolants, 0 QuantifiedInterpolants, 373936 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...