/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_spec2_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 23:51:02,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 23:51:02,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 23:51:02,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 23:51:02,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 23:51:02,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 23:51:02,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 23:51:02,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 23:51:02,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 23:51:02,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 23:51:02,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 23:51:02,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 23:51:02,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 23:51:02,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 23:51:02,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 23:51:02,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 23:51:02,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 23:51:02,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 23:51:02,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 23:51:02,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 23:51:02,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 23:51:02,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 23:51:02,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 23:51:02,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 23:51:02,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 23:51:02,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 23:51:02,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 23:51:02,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 23:51:02,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 23:51:02,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 23:51:02,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 23:51:02,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 23:51:02,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 23:51:02,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 23:51:02,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 23:51:02,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 23:51:02,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 23:51:02,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 23:51:02,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 23:51:02,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 23:51:02,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 23:51:02,521 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 23:51:02,541 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 23:51:02,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 23:51:02,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 23:51:02,546 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 23:51:02,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 23:51:02,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 23:51:02,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 23:51:02,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 23:51:02,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 23:51:02,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 23:51:02,548 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 23:51:02,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 23:51:02,549 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 23:51:02,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 23:51:02,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 23:51:02,550 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 23:51:02,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 23:51:02,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 23:51:02,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:51:02,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 23:51:02,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 23:51:02,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 23:51:02,551 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-23 23:51:02,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 23:51:02,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 23:51:02,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 23:51:02,977 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 23:51:02,978 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 23:51:02,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-10-23 23:51:03,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0d7bc67/4809fd19bae9462ebfeac22d1d764496/FLAG54fafaa6c [2020-10-23 23:51:03,784 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 23:51:03,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product44.cil.c [2020-10-23 23:51:03,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0d7bc67/4809fd19bae9462ebfeac22d1d764496/FLAG54fafaa6c [2020-10-23 23:51:04,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0d7bc67/4809fd19bae9462ebfeac22d1d764496 [2020-10-23 23:51:04,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 23:51:04,036 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 23:51:04,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 23:51:04,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 23:51:04,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 23:51:04,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:51:04" (1/1) ... [2020-10-23 23:51:04,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ba5898e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:51:04, skipping insertion in model container [2020-10-23 23:51:04,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:51:04" (1/1) ... [2020-10-23 23:51:04,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 23:51:04,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 23:51:04,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:51:04,578 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 23:51:04,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:51:04,720 INFO L208 MainTranslator]: Completed translation [2020-10-23 23:51:04,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:51:04 WrapperNode [2020-10-23 23:51:04,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 23:51:04,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 23:51:04,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 23:51:04,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 23:51:04,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:51:04" (1/1) ... [2020-10-23 23:51:04,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:51:04" (1/1) ... [2020-10-23 23:51:04,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:51:04" (1/1) ... [2020-10-23 23:51:04,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:51:04" (1/1) ... [2020-10-23 23:51:04,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:51:04" (1/1) ... [2020-10-23 23:51:04,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:51:04" (1/1) ... [2020-10-23 23:51:04,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:51:04" (1/1) ... [2020-10-23 23:51:04,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 23:51:04,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 23:51:04,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 23:51:04,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 23:51:04,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:51:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:51:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 23:51:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 23:51:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 23:51:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 23:51:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 23:51:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 23:51:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 23:51:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 23:51:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 23:51:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-23 23:51:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 23:51:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 23:51:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 23:51:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 23:51:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 23:51:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-23 23:51:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-23 23:51:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-23 23:51:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 23:51:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 23:51:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 23:51:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 23:51:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 23:51:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 23:51:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 23:51:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 23:51:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 23:51:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-23 23:51:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-23 23:51:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 23:51:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 23:51:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 23:51:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 23:51:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 23:51:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 23:51:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-23 23:51:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 23:51:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 23:51:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 23:51:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 23:51:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 23:51:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 23:51:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 23:51:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 23:51:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 23:51:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 23:51:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 23:51:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 23:51:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 23:51:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 23:51:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 23:51:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-23 23:51:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-23 23:51:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 23:51:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 23:51:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 23:51:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 23:51:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 23:51:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 23:51:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-23 23:51:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 23:51:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 23:51:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 23:51:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 23:51:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-23 23:51:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 23:51:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 23:51:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-23 23:51:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-23 23:51:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 23:51:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 23:51:04,980 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 23:51:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 23:51:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 23:51:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 23:51:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 23:51:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-23 23:51:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 23:51:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 23:51:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 23:51:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 23:51:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 23:51:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 23:51:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 23:51:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 23:51:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 23:51:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 23:51:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 23:51:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 23:51:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 23:51:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 23:51:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 23:51:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 23:51:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 23:51:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 23:51:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 23:51:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 23:51:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 23:51:06,675 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 23:51:06,678 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 23:51:06,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:51:06 BoogieIcfgContainer [2020-10-23 23:51:06,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 23:51:06,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 23:51:06,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 23:51:06,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 23:51:06,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:51:04" (1/3) ... [2020-10-23 23:51:06,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebdbef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:51:06, skipping insertion in model container [2020-10-23 23:51:06,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:51:04" (2/3) ... [2020-10-23 23:51:06,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ebdbef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:51:06, skipping insertion in model container [2020-10-23 23:51:06,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:51:06" (3/3) ... [2020-10-23 23:51:06,696 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product44.cil.c [2020-10-23 23:51:06,708 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 23:51:06,715 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 23:51:06,729 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 23:51:06,755 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 23:51:06,755 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 23:51:06,755 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-23 23:51:06,755 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 23:51:06,756 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 23:51:06,756 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 23:51:06,756 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 23:51:06,756 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 23:51:06,779 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states. [2020-10-23 23:51:06,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-23 23:51:06,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:51:06,801 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] [2020-10-23 23:51:06,802 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:51:06,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:51:06,809 INFO L82 PathProgramCache]: Analyzing trace with hash -327662032, now seen corresponding path program 1 times [2020-10-23 23:51:06,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:51:06,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793865978] [2020-10-23 23:51:06,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:51:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:08,050 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:51:08,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:51:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:08,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:51:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:08,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:51:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:08,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:51:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:08,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:51:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:08,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:51:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:08,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-23 23:51:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:08,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-23 23:51:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:08,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:51:08,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793865978] [2020-10-23 23:51:08,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:51:08,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 23:51:08,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211867337] [2020-10-23 23:51:08,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 23:51:08,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:51:08,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 23:51:08,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 23:51:08,333 INFO L87 Difference]: Start difference. First operand 326 states. Second operand 4 states. [2020-10-23 23:51:11,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:51:11,199 INFO L93 Difference]: Finished difference Result 509 states and 600 transitions. [2020-10-23 23:51:11,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 23:51:11,208 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-10-23 23:51:11,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:51:11,233 INFO L225 Difference]: With dead ends: 509 [2020-10-23 23:51:11,234 INFO L226 Difference]: Without dead ends: 324 [2020-10-23 23:51:11,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 23:51:11,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-10-23 23:51:11,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 272. [2020-10-23 23:51:11,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-10-23 23:51:11,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 294 transitions. [2020-10-23 23:51:11,420 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 294 transitions. Word has length 154 [2020-10-23 23:51:11,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:51:11,421 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 294 transitions. [2020-10-23 23:51:11,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 23:51:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 294 transitions. [2020-10-23 23:51:11,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-23 23:51:11,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:51:11,427 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] [2020-10-23 23:51:11,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 23:51:11,427 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:51:11,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:51:11,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1699355746, now seen corresponding path program 1 times [2020-10-23 23:51:11,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:51:11,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964325986] [2020-10-23 23:51:11,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:51:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,334 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:51:12,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:51:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:51:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:51:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:51:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:51:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:51:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-23 23:51:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-23 23:51:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:51:12,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964325986] [2020-10-23 23:51:12,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:51:12,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-23 23:51:12,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449191802] [2020-10-23 23:51:12,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 23:51:12,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:51:12,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 23:51:12,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 23:51:12,456 INFO L87 Difference]: Start difference. First operand 272 states and 294 transitions. Second operand 5 states. [2020-10-23 23:51:14,028 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:51:16,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:51:16,104 INFO L93 Difference]: Finished difference Result 422 states and 477 transitions. [2020-10-23 23:51:16,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 23:51:16,105 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-10-23 23:51:16,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:51:16,110 INFO L225 Difference]: With dead ends: 422 [2020-10-23 23:51:16,110 INFO L226 Difference]: Without dead ends: 313 [2020-10-23 23:51:16,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-23 23:51:16,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-10-23 23:51:16,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 262. [2020-10-23 23:51:16,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-23 23:51:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 281 transitions. [2020-10-23 23:51:16,205 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 281 transitions. Word has length 155 [2020-10-23 23:51:16,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:51:16,205 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 281 transitions. [2020-10-23 23:51:16,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 23:51:16,206 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 281 transitions. [2020-10-23 23:51:16,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-23 23:51:16,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:51:16,209 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] [2020-10-23 23:51:16,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 23:51:16,209 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:51:16,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:51:16,210 INFO L82 PathProgramCache]: Analyzing trace with hash -475783445, now seen corresponding path program 1 times [2020-10-23 23:51:16,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:51:16,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302843850] [2020-10-23 23:51:16,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:51:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:17,109 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:51:17,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:51:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:17,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:51:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:17,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:51:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:17,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:51:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:17,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:51:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:17,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:51:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:17,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 23:51:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:17,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-23 23:51:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:17,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:51:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:51:17,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302843850] [2020-10-23 23:51:17,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:51:17,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 23:51:17,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532082872] [2020-10-23 23:51:17,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 23:51:17,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:51:17,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 23:51:17,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-23 23:51:17,375 INFO L87 Difference]: Start difference. First operand 262 states and 281 transitions. Second operand 11 states. [2020-10-23 23:51:18,624 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:19,617 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:51:20,447 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 23:51:21,303 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:22,138 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 23:51:22,940 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:25,037 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:51:30,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:51:30,562 INFO L93 Difference]: Finished difference Result 718 states and 838 transitions. [2020-10-23 23:51:30,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-23 23:51:30,564 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2020-10-23 23:51:30,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:51:30,570 INFO L225 Difference]: With dead ends: 718 [2020-10-23 23:51:30,570 INFO L226 Difference]: Without dead ends: 576 [2020-10-23 23:51:30,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-10-23 23:51:30,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-10-23 23:51:30,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 455. [2020-10-23 23:51:30,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-10-23 23:51:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 504 transitions. [2020-10-23 23:51:30,807 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 504 transitions. Word has length 168 [2020-10-23 23:51:30,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:51:30,807 INFO L481 AbstractCegarLoop]: Abstraction has 455 states and 504 transitions. [2020-10-23 23:51:30,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 23:51:30,808 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 504 transitions. [2020-10-23 23:51:30,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-23 23:51:30,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:51:30,812 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:51:30,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 23:51:30,812 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:51:30,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:51:30,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1225462967, now seen corresponding path program 1 times [2020-10-23 23:51:30,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:51:30,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474877152] [2020-10-23 23:51:30,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:51:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:31,757 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:51:31,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:51:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:31,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:51:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:31,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:51:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:31,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:51:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:31,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:51:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:31,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:51:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:31,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-23 23:51:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:31,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-23 23:51:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:31,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-23 23:51:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:51:32,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474877152] [2020-10-23 23:51:32,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:51:32,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 23:51:32,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763025828] [2020-10-23 23:51:32,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:51:32,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:51:32,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:51:32,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:51:32,003 INFO L87 Difference]: Start difference. First operand 455 states and 504 transitions. Second operand 10 states. [2020-10-23 23:51:33,186 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:36,465 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:37,322 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 23:51:38,330 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:39,187 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:40,021 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 23:51:40,865 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:41,693 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:42,786 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:51:45,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:51:45,514 INFO L93 Difference]: Finished difference Result 1252 states and 1506 transitions. [2020-10-23 23:51:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-23 23:51:45,515 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-10-23 23:51:45,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:51:45,524 INFO L225 Difference]: With dead ends: 1252 [2020-10-23 23:51:45,524 INFO L226 Difference]: Without dead ends: 917 [2020-10-23 23:51:45,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-10-23 23:51:45,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2020-10-23 23:51:45,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 741. [2020-10-23 23:51:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2020-10-23 23:51:45,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 831 transitions. [2020-10-23 23:51:45,891 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 831 transitions. Word has length 173 [2020-10-23 23:51:45,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:51:45,892 INFO L481 AbstractCegarLoop]: Abstraction has 741 states and 831 transitions. [2020-10-23 23:51:45,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:51:45,892 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 831 transitions. [2020-10-23 23:51:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-23 23:51:45,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:51:45,896 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:51:45,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 23:51:45,897 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:51:45,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:51:45,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1005893592, now seen corresponding path program 1 times [2020-10-23 23:51:45,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:51:45,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283571187] [2020-10-23 23:51:45,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:51:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:46,649 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:51:46,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:51:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:46,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:51:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:46,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:51:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:46,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:51:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:46,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:51:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:46,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:51:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:46,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-23 23:51:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:46,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-23 23:51:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:46,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-23 23:51:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:46,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 23:51:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:51:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:51:46,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1283571187] [2020-10-23 23:51:46,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:51:46,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 23:51:46,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000789164] [2020-10-23 23:51:46,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 23:51:46,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:51:46,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 23:51:46,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-23 23:51:46,885 INFO L87 Difference]: Start difference. First operand 741 states and 831 transitions. Second operand 11 states. [2020-10-23 23:51:48,228 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:51,180 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:52,013 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 23:51:52,997 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:53,934 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 23:51:54,731 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:56,599 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:51:57,419 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:51:58,314 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:52:01,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:52:01,257 INFO L93 Difference]: Finished difference Result 1924 states and 2354 transitions. [2020-10-23 23:52:01,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-23 23:52:01,258 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 178 [2020-10-23 23:52:01,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:52:01,268 INFO L225 Difference]: With dead ends: 1924 [2020-10-23 23:52:01,268 INFO L226 Difference]: Without dead ends: 1303 [2020-10-23 23:52:01,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-10-23 23:52:01,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2020-10-23 23:52:01,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1015. [2020-10-23 23:52:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-10-23 23:52:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1145 transitions. [2020-10-23 23:52:01,693 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1145 transitions. Word has length 178 [2020-10-23 23:52:01,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:52:01,693 INFO L481 AbstractCegarLoop]: Abstraction has 1015 states and 1145 transitions. [2020-10-23 23:52:01,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 23:52:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1145 transitions. [2020-10-23 23:52:01,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-23 23:52:01,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:52:01,699 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:52:01,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 23:52:01,700 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]=== [2020-10-23 23:52:01,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:52:01,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1578263461, now seen corresponding path program 1 times [2020-10-23 23:52:01,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:52:01,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1517845116] [2020-10-23 23:52:01,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:52:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,448 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:52:02,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:52:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:52:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:52:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:52:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:52:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:52:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-23 23:52:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 23:52:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:52:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:52:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:52:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:52:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:52:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 23:52:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-23 23:52:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-23 23:52:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 23:52:02,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1517845116] [2020-10-23 23:52:02,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:52:02,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-23 23:52:02,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935355132] [2020-10-23 23:52:02,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 23:52:02,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:52:02,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 23:52:02,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-23 23:52:02,778 INFO L87 Difference]: Start difference. First operand 1015 states and 1145 transitions. Second operand 12 states. [2020-10-23 23:52:05,983 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:52:06,829 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 23:52:07,753 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-23 23:52:08,673 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:52:09,611 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:52:10,391 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:52:14,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:52:14,925 INFO L93 Difference]: Finished difference Result 2565 states and 3250 transitions. [2020-10-23 23:52:14,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-23 23:52:14,926 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 228 [2020-10-23 23:52:14,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:52:14,939 INFO L225 Difference]: With dead ends: 2565 [2020-10-23 23:52:14,939 INFO L226 Difference]: Without dead ends: 1670 [2020-10-23 23:52:14,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2020-10-23 23:52:14,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2020-10-23 23:52:15,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1053. [2020-10-23 23:52:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1053 states. [2020-10-23 23:52:15,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1183 transitions. [2020-10-23 23:52:15,378 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1183 transitions. Word has length 228 [2020-10-23 23:52:15,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:52:15,379 INFO L481 AbstractCegarLoop]: Abstraction has 1053 states and 1183 transitions. [2020-10-23 23:52:15,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 23:52:15,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1183 transitions. [2020-10-23 23:52:15,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-23 23:52:15,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:52:15,384 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:52:15,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 23:52:15,384 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]=== [2020-10-23 23:52:15,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:52:15,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1032595643, now seen corresponding path program 1 times [2020-10-23 23:52:15,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:52:15,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251259374] [2020-10-23 23:52:15,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:52:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,177 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:52:16,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:52:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:52:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:52:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:52:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:52:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:52:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-23 23:52:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 23:52:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:52:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:52:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:52:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:52:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:52:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 23:52:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-23 23:52:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-23 23:52:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 23:52:16,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251259374] [2020-10-23 23:52:16,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:52:16,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-23 23:52:16,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038187431] [2020-10-23 23:52:16,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-23 23:52:16,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:52:16,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-23 23:52:16,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-10-23 23:52:16,571 INFO L87 Difference]: Start difference. First operand 1053 states and 1183 transitions. Second operand 15 states. [2020-10-23 23:52:17,986 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:52:18,807 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 23:52:19,659 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:52:20,481 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:52:21,258 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:52:23,689 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:52:24,513 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:52:25,375 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:52:26,316 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:52:27,124 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:52:32,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:52:32,456 INFO L93 Difference]: Finished difference Result 2639 states and 3320 transitions. [2020-10-23 23:52:32,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-23 23:52:32,457 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 228 [2020-10-23 23:52:32,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:52:32,468 INFO L225 Difference]: With dead ends: 2639 [2020-10-23 23:52:32,469 INFO L226 Difference]: Without dead ends: 1706 [2020-10-23 23:52:32,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=296, Invalid=894, Unknown=0, NotChecked=0, Total=1190 [2020-10-23 23:52:32,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-10-23 23:52:32,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1077. [2020-10-23 23:52:32,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2020-10-23 23:52:32,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1207 transitions. [2020-10-23 23:52:32,993 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1207 transitions. Word has length 228 [2020-10-23 23:52:32,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:52:32,994 INFO L481 AbstractCegarLoop]: Abstraction has 1077 states and 1207 transitions. [2020-10-23 23:52:32,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-23 23:52:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1207 transitions. [2020-10-23 23:52:32,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-23 23:52:32,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:52:32,998 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:52:32,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-23 23:52:32,999 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]=== [2020-10-23 23:52:32,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:52:33,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1207616680, now seen corresponding path program 1 times [2020-10-23 23:52:33,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:52:33,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829559727] [2020-10-23 23:52:33,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:52:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,745 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:52:33,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:52:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:52:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:52:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:52:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:52:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:52:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-23 23:52:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 23:52:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:52:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:52:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:52:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:52:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:52:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 23:52:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-23 23:52:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:33,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-23 23:52:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:34,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 23:52:34,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829559727] [2020-10-23 23:52:34,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:52:34,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 23:52:34,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165474445] [2020-10-23 23:52:34,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:52:34,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:52:34,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:52:34,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:52:34,022 INFO L87 Difference]: Start difference. First operand 1077 states and 1207 transitions. Second operand 9 states. [2020-10-23 23:52:35,282 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:52:36,850 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:52:46,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:52:46,925 INFO L93 Difference]: Finished difference Result 4175 states and 5309 transitions. [2020-10-23 23:52:46,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-23 23:52:46,926 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 228 [2020-10-23 23:52:46,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:52:46,947 INFO L225 Difference]: With dead ends: 4175 [2020-10-23 23:52:46,947 INFO L226 Difference]: Without dead ends: 3218 [2020-10-23 23:52:46,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=306, Invalid=1176, Unknown=0, NotChecked=0, Total=1482 [2020-10-23 23:52:46,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2020-10-23 23:52:47,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 2229. [2020-10-23 23:52:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2229 states. [2020-10-23 23:52:48,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 2229 states and 2533 transitions. [2020-10-23 23:52:48,006 INFO L78 Accepts]: Start accepts. Automaton has 2229 states and 2533 transitions. Word has length 228 [2020-10-23 23:52:48,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:52:48,007 INFO L481 AbstractCegarLoop]: Abstraction has 2229 states and 2533 transitions. [2020-10-23 23:52:48,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:52:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2533 transitions. [2020-10-23 23:52:48,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-23 23:52:48,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:52:48,012 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:52:48,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-23 23:52:48,013 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]=== [2020-10-23 23:52:48,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:52:48,013 INFO L82 PathProgramCache]: Analyzing trace with hash 2084950706, now seen corresponding path program 1 times [2020-10-23 23:52:48,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:52:48,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898701838] [2020-10-23 23:52:48,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:52:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:48,930 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:52:48,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:52:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:48,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:52:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:48,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:52:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:48,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:52:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:52:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:52:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:52:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 23:52:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-23 23:52:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-23 23:52:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:52:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:52:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:52:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:52:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:52:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 23:52:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-23 23:52:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-23 23:52:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:52:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-23 23:52:49,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898701838] [2020-10-23 23:52:49,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-23 23:52:49,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-23 23:52:49,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962679397] [2020-10-23 23:52:49,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-23 23:52:49,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:52:49,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-23 23:52:49,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2020-10-23 23:52:49,862 INFO L87 Difference]: Start difference. First operand 2229 states and 2533 transitions. Second operand 22 states. [2020-10-23 23:52:51,380 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:52:52,457 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 23:52:53,362 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-23 23:52:54,221 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:52:55,057 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 23:52:55,855 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:52:58,049 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:53:00,288 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:53:01,208 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 23:53:02,457 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:53:03,387 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 23:53:07,526 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:53:08,685 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 23:53:09,522 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:53:10,382 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 23:53:11,323 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:53:12,514 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 23:53:13,482 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:53:14,363 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 23:53:16,056 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-23 23:53:18,096 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-23 23:53:19,729 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-23 23:53:29,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:53:29,357 INFO L93 Difference]: Finished difference Result 5248 states and 6384 transitions. [2020-10-23 23:53:29,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-10-23 23:53:29,358 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 233 [2020-10-23 23:53:29,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:53:29,378 INFO L225 Difference]: With dead ends: 5248 [2020-10-23 23:53:29,379 INFO L226 Difference]: Without dead ends: 3139 [2020-10-23 23:53:29,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1967 ImplicationChecksByTransitivity, 24.1s TimeCoverageRelationStatistics Valid=1223, Invalid=5419, Unknown=0, NotChecked=0, Total=6642 [2020-10-23 23:53:29,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3139 states. [2020-10-23 23:53:30,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3139 to 2185. [2020-10-23 23:53:30,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2185 states. [2020-10-23 23:53:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 2473 transitions. [2020-10-23 23:53:30,499 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 2473 transitions. Word has length 233 [2020-10-23 23:53:30,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:53:30,499 INFO L481 AbstractCegarLoop]: Abstraction has 2185 states and 2473 transitions. [2020-10-23 23:53:30,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-23 23:53:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2473 transitions. [2020-10-23 23:53:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-10-23 23:53:30,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:53:30,507 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:53:30,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-23 23:53:30,508 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]=== [2020-10-23 23:53:30,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:53:30,508 INFO L82 PathProgramCache]: Analyzing trace with hash 477791015, now seen corresponding path program 1 times [2020-10-23 23:53:30,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:53:30,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107426326] [2020-10-23 23:53:30,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:53:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,337 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:53:31,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:53:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:53:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:53:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:53:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:53:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:53:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:53:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 23:53:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-23 23:53:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:53:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:53:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:53:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:53:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:53:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:53:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 23:53:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-23 23:53:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:53:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-23 23:53:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-23 23:53:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-23 23:53:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-23 23:53:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:53:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-10-23 23:53:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2020-10-23 23:53:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-23 23:53:31,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107426326] [2020-10-23 23:53:31,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-23 23:53:31,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-23 23:53:31,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342783110] [2020-10-23 23:53:31,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:53:31,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:53:31,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:53:31,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:53:31,674 INFO L87 Difference]: Start difference. First operand 2185 states and 2473 transitions. Second operand 10 states. [2020-10-23 23:53:32,925 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:53:43,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:53:43,304 INFO L93 Difference]: Finished difference Result 4884 states and 6176 transitions. [2020-10-23 23:53:43,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-23 23:53:43,306 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 285 [2020-10-23 23:53:43,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:53:43,339 INFO L225 Difference]: With dead ends: 4884 [2020-10-23 23:53:43,339 INFO L226 Difference]: Without dead ends: 4880 [2020-10-23 23:53:43,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=350, Invalid=1210, Unknown=0, NotChecked=0, Total=1560 [2020-10-23 23:53:43,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4880 states. [2020-10-23 23:53:45,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4880 to 3314. [2020-10-23 23:53:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3314 states. [2020-10-23 23:53:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 3774 transitions. [2020-10-23 23:53:45,029 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 3774 transitions. Word has length 285 [2020-10-23 23:53:45,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:53:45,030 INFO L481 AbstractCegarLoop]: Abstraction has 3314 states and 3774 transitions. [2020-10-23 23:53:45,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:53:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 3774 transitions. [2020-10-23 23:53:45,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-10-23 23:53:45,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:53:45,044 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:53:45,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-23 23:53:45,044 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]=== [2020-10-23 23:53:45,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:53:45,045 INFO L82 PathProgramCache]: Analyzing trace with hash -721091712, now seen corresponding path program 1 times [2020-10-23 23:53:45,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:53:45,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498523259] [2020-10-23 23:53:45,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:53:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:45,900 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:53:45,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:53:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:45,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 23:53:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:45,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 23:53:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:45,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 23:53:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:45,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 23:53:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:45,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 23:53:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:45,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:53:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:45,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 23:53:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-23 23:53:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:53:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:53:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 23:53:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 23:53:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:53:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:53:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 23:53:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-23 23:53:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:53:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-23 23:53:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-23 23:53:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-23 23:53:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 23:53:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 23:53:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:53:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 23:53:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:53:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 23:53:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-10-23 23:53:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-10-23 23:53:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-23 23:53:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:53:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-10-23 23:53:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-23 23:53:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:53:46,399 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 60 proven. 28 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-23 23:53:46,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498523259] [2020-10-23 23:53:46,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-23 23:53:46,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-23 23:53:46,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141014359] [2020-10-23 23:53:46,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-23 23:53:46,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:53:46,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-23 23:53:46,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-23 23:53:46,401 INFO L87 Difference]: Start difference. First operand 3314 states and 3774 transitions. Second operand 13 states. [2020-10-23 23:53:47,762 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:53:49,666 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:53:59,513 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:54:03,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:54:03,557 INFO L93 Difference]: Finished difference Result 10537 states and 13152 transitions. [2020-10-23 23:54:03,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-23 23:54:03,559 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 347 [2020-10-23 23:54:03,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:54:03,605 INFO L225 Difference]: With dead ends: 10537 [2020-10-23 23:54:03,605 INFO L226 Difference]: Without dead ends: 7816 [2020-10-23 23:54:03,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 101 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1277 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=770, Invalid=3136, Unknown=0, NotChecked=0, Total=3906 [2020-10-23 23:54:03,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7816 states. [2020-10-23 23:54:05,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7816 to 5302. [2020-10-23 23:54:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5302 states. [2020-10-23 23:54:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5302 states to 5302 states and 5981 transitions. [2020-10-23 23:54:05,847 INFO L78 Accepts]: Start accepts. Automaton has 5302 states and 5981 transitions. Word has length 347 [2020-10-23 23:54:05,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:54:05,848 INFO L481 AbstractCegarLoop]: Abstraction has 5302 states and 5981 transitions. [2020-10-23 23:54:05,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-23 23:54:05,848 INFO L276 IsEmpty]: Start isEmpty. Operand 5302 states and 5981 transitions. [2020-10-23 23:54:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-10-23 23:54:05,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:54:05,863 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:54:05,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-23 23:54:05,864 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:54:05,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:54:05,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1577685918, now seen corresponding path program 1 times [2020-10-23 23:54:05,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:54:05,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241454247] [2020-10-23 23:54:05,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:54:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:54:05,937 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:54:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:54:06,012 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:54:06,407 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 23:54:06,407 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 23:54:06,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-23 23:54:06,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:54:06 BoogieIcfgContainer [2020-10-23 23:54:06,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 23:54:06,819 INFO L168 Benchmark]: Toolchain (without parser) took 182784.00 ms. Allocated memory was 151.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 127.4 MB in the beginning and 509.1 MB in the end (delta: -381.6 MB). Peak memory consumption was 824.5 MB. Max. memory is 8.0 GB. [2020-10-23 23:54:06,819 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory was 98.8 MB in the beginning and 98.7 MB in the end (delta: 67.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 23:54:06,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.36 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 131.0 MB in the end (delta: -4.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 8.0 GB. [2020-10-23 23:54:06,822 INFO L168 Benchmark]: Boogie Preprocessor took 156.77 ms. Allocated memory is still 151.0 MB. Free memory was 131.0 MB in the beginning and 126.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 23:54:06,828 INFO L168 Benchmark]: RCFGBuilder took 1806.18 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 106.1 MB in the end (delta: 20.8 MB). Peak memory consumption was 48.4 MB. Max. memory is 8.0 GB. [2020-10-23 23:54:06,829 INFO L168 Benchmark]: TraceAbstraction took 180124.82 ms. Allocated memory was 151.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 106.1 MB in the beginning and 509.1 MB in the end (delta: -403.0 MB). Peak memory consumption was 802.9 MB. Max. memory is 8.0 GB. [2020-10-23 23:54:06,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory was 98.8 MB in the beginning and 98.7 MB in the end (delta: 67.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 683.36 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 131.0 MB in the end (delta: -4.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 156.77 ms. Allocated memory is still 151.0 MB. Free memory was 131.0 MB in the beginning and 126.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1806.18 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 106.1 MB in the end (delta: 20.8 MB). Peak memory consumption was 48.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 180124.82 ms. Allocated memory was 151.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 106.1 MB in the beginning and 509.1 MB in the end (delta: -403.0 MB). Peak memory consumption was 802.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L134] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=181, \old(head)=172, \old(head)=183, \old(methAndRunningLastTime)=176, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=181, head={183:172}, methAndRunningLastTime=176, methaneLevelCritical=151, pumpRunning=0, systemActive=139, waterLevel=144] [L135] int systemActive = 1; VAL [\old(cleanupTimeShifts)=181, \old(head)=183, \old(head)=172, \old(methAndRunningLastTime)=176, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=181, head={183:172}, methAndRunningLastTime=176, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=144] [L366] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=181, \old(head)=172, \old(head)=183, \old(methAndRunningLastTime)=176, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=4, head={183:172}, methAndRunningLastTime=176, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=144] [L464] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=181, \old(head)=172, \old(head)=183, \old(methAndRunningLastTime)=176, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=4, head={183:172}, methAndRunningLastTime=0, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=144] [L504] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=181, \old(head)=172, \old(head)=183, \old(methAndRunningLastTime)=176, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=4, head={183:172}, methAndRunningLastTime=0, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=1] [L505] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=181, \old(head)=183, \old(head)=172, \old(methAndRunningLastTime)=176, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=4, head={183:172}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L767] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=181, \old(head)=183, \old(head)=172, \old(methAndRunningLastTime)=176, \old(methaneLevelCritical)=151, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L441] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L442] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L447] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L448] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L357] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L360] retValue_acc = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L361] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L448] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L448] tmp = valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L450] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L452] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L453] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L434] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L434] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L435] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L58] int splverifierCounter ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L59] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L60] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L61] int tmp___1 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L62] int tmp___2 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L67] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L69] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L75] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L77] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L79] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] COND TRUE waterLevel < 2 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L523] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L79] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L85] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L87] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L95] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L97] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L99] CALL startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L323] systemActive = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L99] RET startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L114] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L142] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L149] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L151] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L171] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L174] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L176] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L286] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L287] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L288] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L292] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L584] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L587] COND FALSE !(waterLevel < 2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L591] retValue_acc = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L592] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L292] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L292] tmp = isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L294] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L297] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L299] retValue_acc = tmp___0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L300] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L176] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L176] tmp = isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L178] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L180] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L205] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L209] CALL, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L230] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L234] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L543] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L546] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L547] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L234] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L234] retValue_acc = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L236] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L209] RET, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L209] tmp = isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L211] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L215] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L199] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L215] RET activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L180] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L151] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L157] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L474] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L475] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L479] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L543] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L546] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L547] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L479] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L479] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L481] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L497] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L157] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L114] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L67] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L69] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L75] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L77] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L85] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L87] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L89] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L534] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L537] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L89] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L95] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L97] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L99] CALL startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L323] systemActive = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L99] RET startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L114] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L142] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L144] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L510] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L511] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L144] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L149] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L151] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L171] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L174] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L189] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L151] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L157] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L474] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L475] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L479] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L543] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L546] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L547] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L479] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L479] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L481] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L483] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L241] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L244] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L245] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L483] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L483] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L485] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L486] COND FALSE !(\read(methAndRunningLastTime)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L491] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L157] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L114] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L67] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L69] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L75] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L77] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=1] [L85] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L87] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L95] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L97] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L99] CALL startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L323] systemActive = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L99] RET startSystem() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L114] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L142] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L144] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L510] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L511] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L144] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L149] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L151] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L171] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L174] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L189] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L151] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L157] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L474] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L475] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L479] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L543] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L546] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L547] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L479] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L479] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L481] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L483] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L241] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L244] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L245] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L483] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L483] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L485] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L486] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L488] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L46] CALL reach_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec2_product44.cil.c", 3, "reach_error") VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 647 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 179.6s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 157.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3129 SDtfs, 12371 SDslu, 8227 SDs, 0 SdLazy, 18583 SolverSat, 4798 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 67.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 836 GetRequests, 469 SyntacticMatches, 9 SemanticMatches, 358 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4852 ImplicationChecksByTransitivity, 75.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5302occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 7957 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 2725 NumberOfCodeBlocks, 2725 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2366 ConstructedInterpolants, 0 QuantifiedInterpolants, 1282871 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 190/223 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...