/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_spec4_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:17:54,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:17:54,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:17:54,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:17:54,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:17:54,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:17:54,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:17:54,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:17:54,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:17:54,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:17:54,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:17:54,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:17:54,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:17:54,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:17:54,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:17:54,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:17:54,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:17:54,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:17:54,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:17:54,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:17:54,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:17:54,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:17:54,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:17:54,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:17:54,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:17:54,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:17:54,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:17:54,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:17:54,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:17:54,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:17:54,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:17:54,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:17:54,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:17:54,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:17:54,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:17:54,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:17:54,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:17:54,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:17:54,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:17:54,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:17:54,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:17:54,347 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 04:17:54,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:17:54,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:17:54,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:17:54,380 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:17:54,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:17:54,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:17:54,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:17:54,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:17:54,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:17:54,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:17:54,381 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:17:54,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:17:54,382 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:17:54,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:17:54,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:17:54,383 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:17:54,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:17:54,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:17:54,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:17:54,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:17:54,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:17:54,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:17:54,384 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:17:54,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:17:54,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:17:54,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:17:54,785 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:17:54,786 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:17:54,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product40.cil.c [2020-11-07 04:17:54,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/442c36487/a8da337cff4a4f9db9f6ecec19576326/FLAG895dfbb4e [2020-11-07 04:17:55,568 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:17:55,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product40.cil.c [2020-11-07 04:17:55,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/442c36487/a8da337cff4a4f9db9f6ecec19576326/FLAG895dfbb4e [2020-11-07 04:17:55,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/442c36487/a8da337cff4a4f9db9f6ecec19576326 [2020-11-07 04:17:55,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:17:55,885 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:17:55,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:17:55,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:17:55,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:17:55,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:55" (1/1) ... [2020-11-07 04:17:55,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f8facc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:55, skipping insertion in model container [2020-11-07 04:17:55,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:55" (1/1) ... [2020-11-07 04:17:55,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:17:55,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:17:56,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:17:56,292 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:17:56,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:17:56,445 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:17:56,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:56 WrapperNode [2020-11-07 04:17:56,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:17:56,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:17:56,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:17:56,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:17:56,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:56" (1/1) ... [2020-11-07 04:17:56,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:56" (1/1) ... [2020-11-07 04:17:56,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:56" (1/1) ... [2020-11-07 04:17:56,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:56" (1/1) ... [2020-11-07 04:17:56,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:56" (1/1) ... [2020-11-07 04:17:56,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:56" (1/1) ... [2020-11-07 04:17:56,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:56" (1/1) ... [2020-11-07 04:17:56,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:17:56,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:17:56,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:17:56,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:17:56,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:56" (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 04:17:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:17:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:17:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:17:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:17:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:17:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:17:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:17:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:17:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:17:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:17:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:17:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:17:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:17:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:17:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:17:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 04:17:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:17:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:17:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:17:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:17:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:17:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:17:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:17:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:17:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:17:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:17:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:17:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:17:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:17:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:17:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:17:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:17:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:17:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:17:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:17:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:17:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-11-07 04:17:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:17:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:17:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:17:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:17:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:17:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:17:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:17:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:17:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:17:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:17:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:17:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:17:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:17:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 04:17:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:17:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:17:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:17:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:17:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:17:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:17:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:17:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:17:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:17:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:17:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:17:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-11-07 04:17:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:17:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:17:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:17:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:17:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:17:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:17:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:17:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:17:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:17:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:17:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:17:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:17:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:17:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:17:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:17:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:17:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:17:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:17:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:17:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:17:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:17:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:17:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:17:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:17:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:17:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:17:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:17:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:17:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:17:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:17:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:17:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:17:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:17:58,083 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:17:58,083 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:17:58,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:58 BoogieIcfgContainer [2020-11-07 04:17:58,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:17:58,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:17:58,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:17:58,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:17:58,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:17:55" (1/3) ... [2020-11-07 04:17:58,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6550fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:58, skipping insertion in model container [2020-11-07 04:17:58,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:56" (2/3) ... [2020-11-07 04:17:58,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6550fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:58, skipping insertion in model container [2020-11-07 04:17:58,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:58" (3/3) ... [2020-11-07 04:17:58,095 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product40.cil.c [2020-11-07 04:17:58,110 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:17:58,115 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:17:58,127 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:17:58,151 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:17:58,151 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:17:58,152 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:17:58,152 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:17:58,152 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:17:58,152 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:17:58,152 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:17:58,152 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:17:58,175 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states. [2020-11-07 04:17:58,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-07 04:17:58,195 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:58,196 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] [2020-11-07 04:17:58,197 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 04:17:58,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:58,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1485607836, now seen corresponding path program 1 times [2020-11-07 04:17:58,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:58,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964773181] [2020-11-07 04:17:58,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:59,172 WARN L194 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:17:59,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:17:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:59,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:17:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:59,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:17:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:59,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:17:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:59,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:17:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:59,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:17:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:59,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:17:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:59,432 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 04:17:59,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964773181] [2020-11-07 04:17:59,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:17:59,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 04:17:59,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108044328] [2020-11-07 04:17:59,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 04:17:59,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:17:59,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 04:17:59,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:17:59,467 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 3 states. [2020-11-07 04:18:01,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:01,327 INFO L93 Difference]: Finished difference Result 510 states and 606 transitions. [2020-11-07 04:18:01,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 04:18:01,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-11-07 04:18:01,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:01,347 INFO L225 Difference]: With dead ends: 510 [2020-11-07 04:18:01,347 INFO L226 Difference]: Without dead ends: 315 [2020-11-07 04:18:01,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:18:01,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-11-07 04:18:01,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 271. [2020-11-07 04:18:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-11-07 04:18:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 294 transitions. [2020-11-07 04:18:01,506 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 294 transitions. Word has length 148 [2020-11-07 04:18:01,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:01,508 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 294 transitions. [2020-11-07 04:18:01,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 04:18:01,508 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 294 transitions. [2020-11-07 04:18:01,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-07 04:18:01,512 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:01,513 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] [2020-11-07 04:18:01,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:18:01,513 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 04:18:01,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:01,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1822927894, now seen corresponding path program 1 times [2020-11-07 04:18:01,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:01,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853267127] [2020-11-07 04:18:01,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:02,024 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:02,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:02,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:02,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:02,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:02,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:02,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:18:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:02,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 04:18:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:02,113 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 04:18:02,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853267127] [2020-11-07 04:18:02,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:18:02,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:18:02,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240259928] [2020-11-07 04:18:02,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:18:02,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:02,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:18:02,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:18:02,117 INFO L87 Difference]: Start difference. First operand 271 states and 294 transitions. Second operand 4 states. [2020-11-07 04:18:02,905 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:04,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:04,142 INFO L93 Difference]: Finished difference Result 414 states and 465 transitions. [2020-11-07 04:18:04,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 04:18:04,143 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-11-07 04:18:04,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:04,149 INFO L225 Difference]: With dead ends: 414 [2020-11-07 04:18:04,149 INFO L226 Difference]: Without dead ends: 298 [2020-11-07 04:18:04,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:18:04,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-11-07 04:18:04,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 261. [2020-11-07 04:18:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-11-07 04:18:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 281 transitions. [2020-11-07 04:18:04,252 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 281 transitions. Word has length 149 [2020-11-07 04:18:04,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:04,253 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 281 transitions. [2020-11-07 04:18:04,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:18:04,253 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 281 transitions. [2020-11-07 04:18:04,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-07 04:18:04,255 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:04,255 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] [2020-11-07 04:18:04,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:18:04,256 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 04:18:04,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:04,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1937905332, now seen corresponding path program 1 times [2020-11-07 04:18:04,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:04,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930503072] [2020-11-07 04:18:04,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:04,715 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:04,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:04,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:04,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:04,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:04,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:04,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 04:18:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:04,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:18:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:04,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:18:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:04,866 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 04:18:04,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930503072] [2020-11-07 04:18:04,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:18:04,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:18:04,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338282506] [2020-11-07 04:18:04,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:18:04,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:04,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:18:04,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:18:04,870 INFO L87 Difference]: Start difference. First operand 261 states and 281 transitions. Second operand 10 states. [2020-11-07 04:18:05,627 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:06,085 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:18:06,477 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:18:06,854 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:07,282 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:07,647 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:08,727 WARN L194 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:11,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:11,746 INFO L93 Difference]: Finished difference Result 709 states and 824 transitions. [2020-11-07 04:18:11,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:18:11,748 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-11-07 04:18:11,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:11,758 INFO L225 Difference]: With dead ends: 709 [2020-11-07 04:18:11,758 INFO L226 Difference]: Without dead ends: 563 [2020-11-07 04:18:11,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:18:11,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-11-07 04:18:11,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 466. [2020-11-07 04:18:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-11-07 04:18:11,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 520 transitions. [2020-11-07 04:18:11,963 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 520 transitions. Word has length 162 [2020-11-07 04:18:11,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:11,964 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 520 transitions. [2020-11-07 04:18:11,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:18:11,964 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 520 transitions. [2020-11-07 04:18:11,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:18:11,967 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:11,967 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] [2020-11-07 04:18:11,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:18:11,968 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 04:18:11,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:11,968 INFO L82 PathProgramCache]: Analyzing trace with hash 985638500, now seen corresponding path program 1 times [2020-11-07 04:18:11,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:11,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405722042] [2020-11-07 04:18:11,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:12,447 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:12,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:12,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:12,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:12,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:12,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:12,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-11-07 04:18:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:12,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:18:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:12,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 04:18:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:12,693 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 04:18:12,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405722042] [2020-11-07 04:18:12,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:18:12,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:18:12,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102834966] [2020-11-07 04:18:12,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:18:12,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:12,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:18:12,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:18:12,697 INFO L87 Difference]: Start difference. First operand 466 states and 520 transitions. Second operand 14 states. [2020-11-07 04:18:13,344 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:13,837 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:18:14,218 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:18:14,609 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:14,985 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:15,344 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:16,176 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:17,605 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:18,085 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:18,693 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:19,209 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:18:19,738 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:20,141 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:18:20,554 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:18:21,028 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:21,417 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:21,988 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:22,562 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:18:23,104 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:23,643 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:26,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:26,496 INFO L93 Difference]: Finished difference Result 1603 states and 2010 transitions. [2020-11-07 04:18:26,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-11-07 04:18:26,497 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 167 [2020-11-07 04:18:26,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:26,508 INFO L225 Difference]: With dead ends: 1603 [2020-11-07 04:18:26,509 INFO L226 Difference]: Without dead ends: 1252 [2020-11-07 04:18:26,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-11-07 04:18:26,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-11-07 04:18:27,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1113. [2020-11-07 04:18:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1113 states. [2020-11-07 04:18:27,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1313 transitions. [2020-11-07 04:18:27,088 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1313 transitions. Word has length 167 [2020-11-07 04:18:27,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:27,088 INFO L481 AbstractCegarLoop]: Abstraction has 1113 states and 1313 transitions. [2020-11-07 04:18:27,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:18:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1313 transitions. [2020-11-07 04:18:27,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-07 04:18:27,093 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:27,093 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] [2020-11-07 04:18:27,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:18:27,094 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 04:18:27,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:27,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1509679356, now seen corresponding path program 1 times [2020-11-07 04:18:27,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:27,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853403502] [2020-11-07 04:18:27,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:27,538 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:27,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:27,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:27,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:27,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:27,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:27,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-11-07 04:18:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:27,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-07 04:18:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:27,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:18:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:27,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-07 04:18:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:27,722 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 04:18:27,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853403502] [2020-11-07 04:18:27,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:18:27,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-07 04:18:27,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266557070] [2020-11-07 04:18:27,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-07 04:18:27,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:27,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-07 04:18:27,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-07 04:18:27,730 INFO L87 Difference]: Start difference. First operand 1113 states and 1313 transitions. Second operand 6 states. [2020-11-07 04:18:28,409 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:31,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:31,616 INFO L93 Difference]: Finished difference Result 2576 states and 3228 transitions. [2020-11-07 04:18:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 04:18:31,616 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2020-11-07 04:18:31,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:31,627 INFO L225 Difference]: With dead ends: 2576 [2020-11-07 04:18:31,627 INFO L226 Difference]: Without dead ends: 1578 [2020-11-07 04:18:31,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:18:31,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1578 states. [2020-11-07 04:18:32,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1578 to 1450. [2020-11-07 04:18:32,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1450 states. [2020-11-07 04:18:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 1706 transitions. [2020-11-07 04:18:32,423 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 1706 transitions. Word has length 172 [2020-11-07 04:18:32,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:32,424 INFO L481 AbstractCegarLoop]: Abstraction has 1450 states and 1706 transitions. [2020-11-07 04:18:32,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-07 04:18:32,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1706 transitions. [2020-11-07 04:18:32,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-11-07 04:18:32,430 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:32,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:32,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:18:32,431 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 04:18:32,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:32,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1509742188, now seen corresponding path program 1 times [2020-11-07 04:18:32,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:32,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624309163] [2020-11-07 04:18:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:32,852 WARN L194 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:32,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:32,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:32,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:32,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:32,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:32,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:18:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:32,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:18:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:32,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:18:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:32,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:32,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:32,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-11-07 04:18:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:32,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 04:18:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:32,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-11-07 04:18:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:33,075 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-07 04:18:33,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624309163] [2020-11-07 04:18:33,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:18:33,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 04:18:33,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624097044] [2020-11-07 04:18:33,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:18:33,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:33,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:18:33,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:18:33,077 INFO L87 Difference]: Start difference. First operand 1450 states and 1706 transitions. Second operand 11 states. [2020-11-07 04:18:33,825 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:36,365 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:36,772 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:37,245 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:37,729 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:38,132 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:39,214 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:39,608 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:40,081 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:40,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:40,893 INFO L93 Difference]: Finished difference Result 1641 states and 1991 transitions. [2020-11-07 04:18:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-07 04:18:40,893 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 215 [2020-11-07 04:18:40,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:40,905 INFO L225 Difference]: With dead ends: 1641 [2020-11-07 04:18:40,905 INFO L226 Difference]: Without dead ends: 1637 [2020-11-07 04:18:40,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:18:40,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2020-11-07 04:18:41,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1459. [2020-11-07 04:18:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1459 states. [2020-11-07 04:18:41,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 1714 transitions. [2020-11-07 04:18:41,699 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 1714 transitions. Word has length 215 [2020-11-07 04:18:41,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:41,700 INFO L481 AbstractCegarLoop]: Abstraction has 1459 states and 1714 transitions. [2020-11-07 04:18:41,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:18:41,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 1714 transitions. [2020-11-07 04:18:41,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-11-07 04:18:41,708 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:41,708 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:41,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:18:41,709 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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 04:18:41,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:41,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1557902610, now seen corresponding path program 1 times [2020-11-07 04:18:41,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:41,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823053744] [2020-11-07 04:18:41,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,097 WARN L194 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:42,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:18:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:18:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:18:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-11-07 04:18:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-07 04:18:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-11-07 04:18:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:18:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:18:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-11-07 04:18:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-11-07 04:18:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-07 04:18:42,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823053744] [2020-11-07 04:18:42,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:18:42,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 04:18:42,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962072038] [2020-11-07 04:18:42,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 04:18:42,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:42,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 04:18:42,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-11-07 04:18:42,409 INFO L87 Difference]: Start difference. First operand 1459 states and 1714 transitions. Second operand 13 states. [2020-11-07 04:18:44,144 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:44,627 WARN L194 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:18:45,075 WARN L194 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:18:45,466 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:45,869 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:18:46,244 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:48,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:48,780 INFO L93 Difference]: Finished difference Result 3282 states and 4125 transitions. [2020-11-07 04:18:48,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:18:48,785 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 253 [2020-11-07 04:18:48,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:48,801 INFO L225 Difference]: With dead ends: 3282 [2020-11-07 04:18:48,801 INFO L226 Difference]: Without dead ends: 1938 [2020-11-07 04:18:48,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:18:48,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2020-11-07 04:18:49,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1507. [2020-11-07 04:18:49,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1507 states. [2020-11-07 04:18:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 1764 transitions. [2020-11-07 04:18:49,450 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 1764 transitions. Word has length 253 [2020-11-07 04:18:49,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:49,451 INFO L481 AbstractCegarLoop]: Abstraction has 1507 states and 1764 transitions. [2020-11-07 04:18:49,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 04:18:49,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1764 transitions. [2020-11-07 04:18:49,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-11-07 04:18:49,461 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:49,461 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:49,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:18:49,462 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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 04:18:49,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:49,462 INFO L82 PathProgramCache]: Analyzing trace with hash -814030547, now seen corresponding path program 1 times [2020-11-07 04:18:49,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:49,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654246422] [2020-11-07 04:18:49,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:49,890 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:49,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:49,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:49,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:49,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:49,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:49,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:18:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:49,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:18:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:49,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:18:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:18:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:18:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-11-07 04:18:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-11-07 04:18:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-11-07 04:18:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-11-07 04:18:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:18:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:18:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:18:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-11-07 04:18:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-11-07 04:18:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:50,201 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 31 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-07 04:18:50,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654246422] [2020-11-07 04:18:50,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:18:50,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-07 04:18:50,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900241918] [2020-11-07 04:18:50,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 04:18:50,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:50,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 04:18:50,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-07 04:18:50,204 INFO L87 Difference]: Start difference. First operand 1507 states and 1764 transitions. Second operand 9 states. [2020-11-07 04:18:51,133 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:52,079 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:58,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:58,027 INFO L93 Difference]: Finished difference Result 3841 states and 4885 transitions. [2020-11-07 04:18:58,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-07 04:18:58,028 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 291 [2020-11-07 04:18:58,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:58,045 INFO L225 Difference]: With dead ends: 3841 [2020-11-07 04:18:58,046 INFO L226 Difference]: Without dead ends: 2826 [2020-11-07 04:18:58,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 64 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=206, Invalid=724, Unknown=0, NotChecked=0, Total=930 [2020-11-07 04:18:58,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2020-11-07 04:18:59,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2180. [2020-11-07 04:18:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2180 states. [2020-11-07 04:18:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 2558 transitions. [2020-11-07 04:18:59,065 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 2558 transitions. Word has length 291 [2020-11-07 04:18:59,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:59,065 INFO L481 AbstractCegarLoop]: Abstraction has 2180 states and 2558 transitions. [2020-11-07 04:18:59,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 04:18:59,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 2558 transitions. [2020-11-07 04:18:59,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-11-07 04:18:59,077 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:59,077 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:59,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:18:59,077 INFO L429 AbstractCegarLoop]: === Iteration 9 === [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 04:18:59,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:59,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1389805608, now seen corresponding path program 1 times [2020-11-07 04:18:59,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:59,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929830654] [2020-11-07 04:18:59,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,452 WARN L194 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:59,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:18:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:18:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:18:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:18:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:18:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-11-07 04:18:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-11-07 04:18:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-11-07 04:18:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-11-07 04:18:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:18:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:18:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:18:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-11-07 04:18:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-11-07 04:18:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-07 04:18:59,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929830654] [2020-11-07 04:18:59,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:18:59,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-11-07 04:18:59,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854530467] [2020-11-07 04:18:59,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 04:18:59,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:59,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 04:18:59,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:18:59,784 INFO L87 Difference]: Start difference. First operand 2180 states and 2558 transitions. Second operand 15 states. [2020-11-07 04:19:00,557 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:00,949 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:01,371 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:01,767 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:02,146 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:03,400 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:03,782 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:04,201 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:04,606 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:04,970 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:07,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:07,359 INFO L93 Difference]: Finished difference Result 4054 states and 4953 transitions. [2020-11-07 04:19:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:19:07,360 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 286 [2020-11-07 04:19:07,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:07,373 INFO L225 Difference]: With dead ends: 4054 [2020-11-07 04:19:07,373 INFO L226 Difference]: Without dead ends: 2062 [2020-11-07 04:19:07,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:19:07,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2062 states. [2020-11-07 04:19:07,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2062 to 1637. [2020-11-07 04:19:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2020-11-07 04:19:07,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 1871 transitions. [2020-11-07 04:19:07,997 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 1871 transitions. Word has length 286 [2020-11-07 04:19:07,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:07,997 INFO L481 AbstractCegarLoop]: Abstraction has 1637 states and 1871 transitions. [2020-11-07 04:19:07,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 04:19:07,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 1871 transitions. [2020-11-07 04:19:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-11-07 04:19:08,004 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:08,005 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:19:08,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:19:08,005 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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 04:19:08,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:08,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1128532558, now seen corresponding path program 1 times [2020-11-07 04:19:08,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:08,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803436659] [2020-11-07 04:19:08,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,444 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:08,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:19:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:19:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:19:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:19:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:19:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-11-07 04:19:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-11-07 04:19:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-11-07 04:19:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-11-07 04:19:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:19:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-11-07 04:19:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-11-07 04:19:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-07 04:19:08,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803436659] [2020-11-07 04:19:08,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:19:08,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-11-07 04:19:08,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771744612] [2020-11-07 04:19:08,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:19:08,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:08,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:19:08,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:19:08,894 INFO L87 Difference]: Start difference. First operand 1637 states and 1871 transitions. Second operand 14 states. [2020-11-07 04:19:09,620 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:10,518 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:11,451 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:11,824 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:12,251 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:12,635 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:13,002 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:13,368 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:13,738 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:14,143 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:14,598 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:15,021 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:18,794 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:19,179 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:21,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:21,449 INFO L93 Difference]: Finished difference Result 3968 states and 4937 transitions. [2020-11-07 04:19:21,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-11-07 04:19:21,450 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 279 [2020-11-07 04:19:21,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:21,468 INFO L225 Difference]: With dead ends: 3968 [2020-11-07 04:19:21,468 INFO L226 Difference]: Without dead ends: 2676 [2020-11-07 04:19:21,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 62 SyntacticMatches, 6 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=617, Invalid=1639, Unknown=0, NotChecked=0, Total=2256 [2020-11-07 04:19:21,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2020-11-07 04:19:22,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 1966. [2020-11-07 04:19:22,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2020-11-07 04:19:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 2273 transitions. [2020-11-07 04:19:22,289 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 2273 transitions. Word has length 279 [2020-11-07 04:19:22,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:22,290 INFO L481 AbstractCegarLoop]: Abstraction has 1966 states and 2273 transitions. [2020-11-07 04:19:22,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:19:22,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2273 transitions. [2020-11-07 04:19:22,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-11-07 04:19:22,297 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:22,298 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:19:22,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:19:22,298 INFO L429 AbstractCegarLoop]: === Iteration 11 === [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 04:19:22,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:22,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1251387828, now seen corresponding path program 2 times [2020-11-07 04:19:22,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:22,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1984224641] [2020-11-07 04:19:22,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:19:22,380 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:19:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:19:22,487 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:19:22,926 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 04:19:22,926 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 04:19:22,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:19:23,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:19:23 BoogieIcfgContainer [2020-11-07 04:19:23,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 04:19:23,296 INFO L168 Benchmark]: Toolchain (without parser) took 87418.64 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 126.3 MB in the beginning and 812.9 MB in the end (delta: -686.6 MB). Peak memory consumption was 321.1 MB. Max. memory is 8.0 GB. [2020-11-07 04:19:23,297 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 04:19:23,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.17 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 104.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-11-07 04:19:23,298 INFO L168 Benchmark]: Boogie Preprocessor took 96.80 ms. Allocated memory is still 151.0 MB. Free memory was 104.3 MB in the beginning and 100.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-07 04:19:23,298 INFO L168 Benchmark]: RCFGBuilder took 1541.45 ms. Allocated memory is still 151.0 MB. Free memory was 100.1 MB in the beginning and 71.2 MB in the end (delta: 28.8 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. [2020-11-07 04:19:23,299 INFO L168 Benchmark]: TraceAbstraction took 85206.67 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 70.7 MB in the beginning and 812.9 MB in the end (delta: -742.2 MB). Peak memory consumption was 264.5 MB. Max. memory is 8.0 GB. [2020-11-07 04:19:23,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 557.17 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 104.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 96.80 ms. Allocated memory is still 151.0 MB. Free memory was 104.3 MB in the beginning and 100.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1541.45 ms. Allocated memory is still 151.0 MB. Free memory was 100.1 MB in the beginning and 71.2 MB in the end (delta: 28.8 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 85206.67 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 70.7 MB in the beginning and 812.9 MB in the end (delta: -742.2 MB). Peak memory consumption was 264.5 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: [L125] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=149, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=180, head={182:170}, methaneLevelCritical=149, pumpRunning=0, systemActive=139, waterLevel=143] [L126] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=149, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=180, head={182:170}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=143] [L336] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=149, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=4, head={182:170}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=143] [L436] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=4, head={182:170}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=1] [L437] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=149, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=4, head={182:170}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L699] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=149, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L412] 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] [L413] 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] [L417] 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] [L418] 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] [L419] 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] [L948] 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] [L951] 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] [L952] 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] [L419] 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] [L419] 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] [L421] 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] [L423] 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] [L424] 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] [L403] 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] [L49] 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] [L50] 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] [L51] 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] [L52] 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] [L53] 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] [L56] 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] [L58] 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] [L60] 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] [L66] 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] [L68] 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] [L70] 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] [L454] 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] [L455] 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] [L70] 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] [L76] 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] [L78] 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] [L86] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L88] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L90] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L322] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L90] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L105] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L133] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L140] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L142] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L188] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L191] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L206] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L162] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L165] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L167] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L285] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L286] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L287] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L291] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L516] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L519] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L523] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L524] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L291] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L291] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L293] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L296] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L298] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L299] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L167] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L167] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L169] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L171] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L216] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L171] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L206] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L142] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L148] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L897] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L898] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L902] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L507] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L510] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L511] 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=1, retValue_acc=2, systemActive=1, waterLevel=2] [L902] 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=1, systemActive=1, waterLevel=2] [L902] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L904] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L148] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L105] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L58] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L60] 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=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L66] tmp = __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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L68] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L76] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L78] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L86] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L88] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L90] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L322] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L90] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L105] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L133] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L135] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L442] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L443] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L135] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L140] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L142] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L188] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L191] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L193] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L229] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L233] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L475] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L478] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L479] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L233] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L233] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L235] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L193] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L193] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L195] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L201] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L162] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L165] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L180] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L201] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L142] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L148] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L897] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L898] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L902] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L507] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L510] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L511] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L902] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L902] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L904] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L148] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L105] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L58] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L60] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L66] tmp = __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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L68] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L76] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L78] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L86] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L88] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L90] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L322] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L90] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L105] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L133] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L135] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L442] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L443] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L135] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L140] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L142] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L188] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L191] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L193] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L229] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L233] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L475] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L478] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L479] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L233] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L233] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L235] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L193] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L193] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L195] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L201] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L162] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L165] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L180] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L201] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L142] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L148] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L897] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L898] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L902] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L507] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L510] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L511] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L902] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L902] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L904] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L906] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L240] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L243] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L244] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L906] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L906] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L908] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L910] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L331] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec4_product40.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 641 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 84.7s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 70.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2822 SDtfs, 6371 SDslu, 6536 SDs, 0 SdLazy, 14497 SolverSat, 2260 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 568 GetRequests, 350 SyntacticMatches, 11 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1369 ImplicationChecksByTransitivity, 31.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2180occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2835 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 2475 NumberOfCodeBlocks, 2475 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2112 ConstructedInterpolants, 0 QuantifiedInterpolants, 1100765 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 220/269 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...