/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_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:02:18,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:02:18,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:02:18,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:02:18,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:02:18,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:02:18,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:02:18,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:02:18,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:02:18,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:02:18,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:02:18,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:02:18,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:02:18,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:02:18,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:02:18,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:02:18,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:02:18,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:02:18,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:02:18,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:02:18,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:02:18,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:02:18,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:02:18,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:02:18,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:02:18,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:02:18,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:02:18,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:02:18,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:02:18,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:02:18,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:02:18,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:02:18,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:02:18,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:02:18,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:02:18,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:02:18,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:02:18,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:02:18,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:02:18,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:02:18,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:02:18,778 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:02:18,800 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:02:18,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:02:18,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:02:18,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:02:18,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:02:18,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:02:18,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:02:18,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:02:18,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:02:18,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:02:18,806 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:02:18,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:02:18,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:02:18,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:02:18,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:02:18,807 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:02:18,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:02:18,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:02:18,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:02:18,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:02:18,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:02:18,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:02:18,809 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:02:19,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:02:19,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:02:19,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:02:19,291 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:02:19,292 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:02:19,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product36.cil.c [2020-11-07 04:02:19,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54983178/8babd60cb12b4948ae27b688f9bb29fb/FLAG45e1011fb [2020-11-07 04:02:20,049 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:02:20,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product36.cil.c [2020-11-07 04:02:20,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54983178/8babd60cb12b4948ae27b688f9bb29fb/FLAG45e1011fb [2020-11-07 04:02:20,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54983178/8babd60cb12b4948ae27b688f9bb29fb [2020-11-07 04:02:20,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:02:20,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:02:20,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:02:20,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:02:20,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:02:20,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:02:20" (1/1) ... [2020-11-07 04:02:20,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57425981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:02:20, skipping insertion in model container [2020-11-07 04:02:20,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:02:20" (1/1) ... [2020-11-07 04:02:20,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:02:20,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:02:20,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:02:20,845 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:02:21,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:02:21,117 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:02:21,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:02:21 WrapperNode [2020-11-07 04:02:21,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:02:21,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:02:21,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:02:21,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:02:21,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:02:21" (1/1) ... [2020-11-07 04:02:21,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:02:21" (1/1) ... [2020-11-07 04:02:21,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:02:21" (1/1) ... [2020-11-07 04:02:21,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:02:21" (1/1) ... [2020-11-07 04:02:21,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:02:21" (1/1) ... [2020-11-07 04:02:21,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:02:21" (1/1) ... [2020-11-07 04:02:21,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:02:21" (1/1) ... [2020-11-07 04:02:21,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:02:21,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:02:21,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:02:21,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:02:21,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:02:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:02:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:02:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:02:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:02:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:02:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:02:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:02:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:02:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:02:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:02:21,352 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:02:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:02:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:02:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:02:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:02:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:02:21,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:02:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:02:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:02:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:02:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:02:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:02:21,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:02:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:02:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:02:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:02:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:02:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:02:21,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:02:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:02:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:02:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:02:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:02:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:02:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:02:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:02:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 04:02:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:02:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:02:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:02:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-11-07 04:02:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-11-07 04:02:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:02:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:02:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:02:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:02:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:02:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:02:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:02:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:02:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:02:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:02:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:02:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:02:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:02:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:02:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:02:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:02:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:02:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:02:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:02:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:02:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:02:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:02:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:02:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:02:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:02:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:02:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:02:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:02:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:02:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:02:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:02:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:02:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:02:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:02:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:02:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:02:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:02:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-11-07 04:02:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:02:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:02:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:02:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:02:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:02:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:02:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 04:02:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:02:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-11-07 04:02:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:02:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:02:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:02:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:02:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:02:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:02:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:02:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:02:23,095 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:02:23,095 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:02:23,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:02:23 BoogieIcfgContainer [2020-11-07 04:02:23,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:02:23,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:02:23,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:02:23,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:02:23,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:02:20" (1/3) ... [2020-11-07 04:02:23,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d315385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:02:23, skipping insertion in model container [2020-11-07 04:02:23,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:02:21" (2/3) ... [2020-11-07 04:02:23,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d315385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:02:23, skipping insertion in model container [2020-11-07 04:02:23,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:02:23" (3/3) ... [2020-11-07 04:02:23,109 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product36.cil.c [2020-11-07 04:02:23,126 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:02:23,130 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:02:23,145 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:02:23,170 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:02:23,171 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:02:23,171 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:02:23,171 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:02:23,171 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:02:23,171 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:02:23,171 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:02:23,171 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:02:23,194 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-11-07 04:02:23,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-11-07 04:02:23,221 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:02:23,222 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] [2020-11-07 04:02:23,223 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:02:23,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:02:23,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1610887150, now seen corresponding path program 1 times [2020-11-07 04:02:23,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:02:23,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777533097] [2020-11-07 04:02:23,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:02:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:24,408 WARN L194 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:02:24,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:02:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:24,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:02:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:24,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:02:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:24,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:02:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:24,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:02:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:24,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:02:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:24,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-07 04:02:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:24,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-07 04:02:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:24,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:02:24,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777533097] [2020-11-07 04:02:24,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:02:24,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:02:24,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075498513] [2020-11-07 04:02:24,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:02:24,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:02:24,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:02:24,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:02:24,597 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 4 states. [2020-11-07 04:02:26,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:02:26,014 INFO L93 Difference]: Finished difference Result 473 states and 560 transitions. [2020-11-07 04:02:26,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:02:26,016 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-11-07 04:02:26,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:02:26,035 INFO L225 Difference]: With dead ends: 473 [2020-11-07 04:02:26,036 INFO L226 Difference]: Without dead ends: 305 [2020-11-07 04:02:26,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:02:26,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-07 04:02:26,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 255. [2020-11-07 04:02:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-11-07 04:02:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 275 transitions. [2020-11-07 04:02:26,236 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 275 transitions. Word has length 154 [2020-11-07 04:02:26,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:02:26,237 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 275 transitions. [2020-11-07 04:02:26,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:02:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 275 transitions. [2020-11-07 04:02:26,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-07 04:02:26,243 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:02:26,244 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] [2020-11-07 04:02:26,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:02:26,244 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:02:26,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:02:26,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1670458702, now seen corresponding path program 1 times [2020-11-07 04:02:26,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:02:26,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056892526] [2020-11-07 04:02:26,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:02:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:26,627 WARN L194 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:02:26,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:02:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:26,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:02:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:26,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:02:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:26,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:02:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:26,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:02:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:26,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:02:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:26,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-11-07 04:02:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:26,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-07 04:02:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:02:26,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056892526] [2020-11-07 04:02:26,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:02:26,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:02:26,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108453969] [2020-11-07 04:02:26,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:02:26,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:02:26,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:02:26,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:02:26,782 INFO L87 Difference]: Start difference. First operand 255 states and 275 transitions. Second operand 5 states. [2020-11-07 04:02:27,492 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:02:28,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:02:28,458 INFO L93 Difference]: Finished difference Result 386 states and 437 transitions. [2020-11-07 04:02:28,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:02:28,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-11-07 04:02:28,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:02:28,464 INFO L225 Difference]: With dead ends: 386 [2020-11-07 04:02:28,464 INFO L226 Difference]: Without dead ends: 294 [2020-11-07 04:02:28,466 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:02:28,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-11-07 04:02:28,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 245. [2020-11-07 04:02:28,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-11-07 04:02:28,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 262 transitions. [2020-11-07 04:02:28,604 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 262 transitions. Word has length 155 [2020-11-07 04:02:28,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:02:28,608 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 262 transitions. [2020-11-07 04:02:28,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:02:28,608 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 262 transitions. [2020-11-07 04:02:28,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-11-07 04:02:28,616 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:02:28,617 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] [2020-11-07 04:02:28,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:02:28,617 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:02:28,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:02:28,618 INFO L82 PathProgramCache]: Analyzing trace with hash -212614794, now seen corresponding path program 1 times [2020-11-07 04:02:28,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:02:28,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131368980] [2020-11-07 04:02:28,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:02:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:29,024 WARN L194 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:02:29,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:02:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:29,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:02:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:29,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:02:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:29,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:02:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:29,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:02:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:29,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:02:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:29,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:02:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:29,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:02:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:29,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 04:02:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:02:29,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131368980] [2020-11-07 04:02:29,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:02:29,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:02:29,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435754538] [2020-11-07 04:02:29,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:02:29,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:02:29,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:02:29,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:02:29,213 INFO L87 Difference]: Start difference. First operand 245 states and 262 transitions. Second operand 11 states. [2020-11-07 04:02:29,781 WARN L194 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:02:30,131 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:02:30,427 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:02:30,728 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:02:31,032 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:02:31,341 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:02:32,350 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:02:34,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:02:34,667 INFO L93 Difference]: Finished difference Result 663 states and 777 transitions. [2020-11-07 04:02:34,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:02:34,668 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2020-11-07 04:02:34,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:02:34,675 INFO L225 Difference]: With dead ends: 663 [2020-11-07 04:02:34,676 INFO L226 Difference]: Without dead ends: 538 [2020-11-07 04:02:34,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:02:34,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-11-07 04:02:34,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 421. [2020-11-07 04:02:34,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-07 04:02:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 466 transitions. [2020-11-07 04:02:34,931 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 466 transitions. Word has length 168 [2020-11-07 04:02:34,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:02:34,933 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 466 transitions. [2020-11-07 04:02:34,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:02:34,933 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 466 transitions. [2020-11-07 04:02:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-07 04:02:34,939 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:02:34,939 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] [2020-11-07 04:02:34,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:02:34,940 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:02:34,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:02:34,940 INFO L82 PathProgramCache]: Analyzing trace with hash 528696388, now seen corresponding path program 1 times [2020-11-07 04:02:34,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:02:34,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [920195266] [2020-11-07 04:02:34,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:02:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:35,355 WARN L194 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:02:35,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:02:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:35,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:02:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:35,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:02:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:35,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:02:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:35,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:02:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:35,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:02:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:35,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:02:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:35,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:02:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:35,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-07 04:02:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:35,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:02:35,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [920195266] [2020-11-07 04:02:35,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:02:35,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:02:35,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320993707] [2020-11-07 04:02:35,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:02:35,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:02:35,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:02:35,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:02:35,594 INFO L87 Difference]: Start difference. First operand 421 states and 466 transitions. Second operand 10 states. [2020-11-07 04:02:36,257 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:02:37,751 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:02:38,048 WARN L194 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:02:38,384 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:02:38,686 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:02:39,016 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:02:39,313 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:02:39,642 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:02:40,114 WARN L194 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:02:41,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:02:41,264 INFO L93 Difference]: Finished difference Result 1142 states and 1384 transitions. [2020-11-07 04:02:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-07 04:02:41,264 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-11-07 04:02:41,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:02:41,277 INFO L225 Difference]: With dead ends: 1142 [2020-11-07 04:02:41,277 INFO L226 Difference]: Without dead ends: 841 [2020-11-07 04:02:41,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:02:41,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2020-11-07 04:02:41,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 673. [2020-11-07 04:02:41,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-11-07 04:02:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 755 transitions. [2020-11-07 04:02:41,604 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 755 transitions. Word has length 173 [2020-11-07 04:02:41,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:02:41,605 INFO L481 AbstractCegarLoop]: Abstraction has 673 states and 755 transitions. [2020-11-07 04:02:41,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:02:41,605 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 755 transitions. [2020-11-07 04:02:41,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-07 04:02:41,609 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:02:41,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:02:41,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:02:41,609 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:02:41,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:02:41,610 INFO L82 PathProgramCache]: Analyzing trace with hash 513128262, now seen corresponding path program 1 times [2020-11-07 04:02:41,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:02:41,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2026494507] [2020-11-07 04:02:41,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:02:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:41,900 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:02:41,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:02:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:42,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:02:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:42,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:02:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:42,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:02:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:42,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:02:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:42,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:02:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:42,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-07 04:02:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:42,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:02:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:42,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 04:02:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:42,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-11-07 04:02:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:02:42,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2026494507] [2020-11-07 04:02:42,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:02:42,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:02:42,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430845717] [2020-11-07 04:02:42,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:02:42,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:02:42,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:02:42,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:02:42,222 INFO L87 Difference]: Start difference. First operand 673 states and 755 transitions. Second operand 11 states. [2020-11-07 04:02:42,825 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:02:44,300 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:02:44,577 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:02:44,922 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:02:45,252 WARN L194 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:02:45,557 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:02:46,249 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:02:46,495 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:02:46,893 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:02:48,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:02:48,228 INFO L93 Difference]: Finished difference Result 1780 states and 2194 transitions. [2020-11-07 04:02:48,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-11-07 04:02:48,229 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 178 [2020-11-07 04:02:48,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:02:48,239 INFO L225 Difference]: With dead ends: 1780 [2020-11-07 04:02:48,239 INFO L226 Difference]: Without dead ends: 1227 [2020-11-07 04:02:48,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-11-07 04:02:48,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2020-11-07 04:02:48,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 939. [2020-11-07 04:02:48,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2020-11-07 04:02:48,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1061 transitions. [2020-11-07 04:02:48,769 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1061 transitions. Word has length 178 [2020-11-07 04:02:48,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:02:48,770 INFO L481 AbstractCegarLoop]: Abstraction has 939 states and 1061 transitions. [2020-11-07 04:02:48,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:02:48,770 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1061 transitions. [2020-11-07 04:02:48,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-07 04:02:48,775 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:02:48,775 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:02:48,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:02:48,776 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:02:48,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:02:48,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1210516897, now seen corresponding path program 1 times [2020-11-07 04:02:48,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:02:48,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239628210] [2020-11-07 04:02:48,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:02:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,092 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:02:49,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:02:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:02:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:02:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:02:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:02:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:02:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-07 04:02:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:02:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-07 04:02:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:02:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:02:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:02:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-07 04:02:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 04:02:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:02:49,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239628210] [2020-11-07 04:02:49,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:02:49,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-07 04:02:49,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954652997] [2020-11-07 04:02:49,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-07 04:02:49,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:02:49,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-07 04:02:49,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-11-07 04:02:49,349 INFO L87 Difference]: Start difference. First operand 939 states and 1061 transitions. Second operand 12 states. [2020-11-07 04:02:51,083 WARN L194 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:02:51,420 WARN L194 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:02:51,752 WARN L194 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:02:52,095 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:02:52,466 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:02:52,761 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:02:54,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:02:54,892 INFO L93 Difference]: Finished difference Result 2405 states and 3014 transitions. [2020-11-07 04:02:54,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-07 04:02:54,892 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 206 [2020-11-07 04:02:54,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:02:54,904 INFO L225 Difference]: With dead ends: 2405 [2020-11-07 04:02:54,904 INFO L226 Difference]: Without dead ends: 1586 [2020-11-07 04:02:54,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=231, Invalid=581, Unknown=0, NotChecked=0, Total=812 [2020-11-07 04:02:54,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-11-07 04:02:55,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 977. [2020-11-07 04:02:55,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-07 04:02:55,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1099 transitions. [2020-11-07 04:02:55,299 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1099 transitions. Word has length 206 [2020-11-07 04:02:55,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:02:55,300 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1099 transitions. [2020-11-07 04:02:55,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-07 04:02:55,300 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1099 transitions. [2020-11-07 04:02:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-07 04:02:55,305 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:02:55,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:02:55,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:02:55,306 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:02:55,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:02:55,307 INFO L82 PathProgramCache]: Analyzing trace with hash 236646721, now seen corresponding path program 1 times [2020-11-07 04:02:55,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:02:55,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [541852805] [2020-11-07 04:02:55,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:02:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,603 WARN L194 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:02:55,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:02:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:02:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:02:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:02:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:02:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:02:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-07 04:02:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:02:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-07 04:02:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:02:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:02:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:02:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-07 04:02:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 04:02:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:02:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:02:55,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [541852805] [2020-11-07 04:02:55,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:02:55,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-07 04:02:55,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073871149] [2020-11-07 04:02:55,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 04:02:55,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:02:55,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 04:02:55,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:02:55,895 INFO L87 Difference]: Start difference. First operand 977 states and 1099 transitions. Second operand 15 states. [2020-11-07 04:02:56,624 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:02:56,972 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:02:57,276 WARN L194 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:02:57,564 WARN L194 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:02:57,851 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:02:58,958 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:02:59,270 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:02:59,609 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:02:59,952 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:03:00,239 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:03:02,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:03:02,095 INFO L93 Difference]: Finished difference Result 2487 states and 3152 transitions. [2020-11-07 04:03:02,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-11-07 04:03:02,096 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 206 [2020-11-07 04:03:02,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:03:02,107 INFO L225 Difference]: With dead ends: 2487 [2020-11-07 04:03:02,107 INFO L226 Difference]: Without dead ends: 1630 [2020-11-07 04:03:02,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=314, Invalid=946, Unknown=0, NotChecked=0, Total=1260 [2020-11-07 04:03:02,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2020-11-07 04:03:02,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1001. [2020-11-07 04:03:02,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1001 states. [2020-11-07 04:03:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1123 transitions. [2020-11-07 04:03:02,588 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1123 transitions. Word has length 206 [2020-11-07 04:03:02,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:03:02,589 INFO L481 AbstractCegarLoop]: Abstraction has 1001 states and 1123 transitions. [2020-11-07 04:03:02,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 04:03:02,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1123 transitions. [2020-11-07 04:03:02,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-07 04:03:02,593 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:03:02,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:03:02,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:03:02,594 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:03:02,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:03:02,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1403647260, now seen corresponding path program 1 times [2020-11-07 04:03:02,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:03:02,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392453] [2020-11-07 04:03:02,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:03:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:02,945 WARN L194 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:03:02,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:03:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:02,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:03:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:02,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:03:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:03,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:03:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:03,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:03:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:03,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:03:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:03,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-07 04:03:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:03,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:03:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:03,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-07 04:03:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:03,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:03:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:03,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:03:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:03,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:03:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:03,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-07 04:03:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:03,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 04:03:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:03:03,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392453] [2020-11-07 04:03:03,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:03:03,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 04:03:03,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18739440] [2020-11-07 04:03:03,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 04:03:03,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:03:03,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 04:03:03,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-07 04:03:03,166 INFO L87 Difference]: Start difference. First operand 1001 states and 1123 transitions. Second operand 9 states. [2020-11-07 04:03:03,745 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:03:04,498 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:03:08,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:03:08,428 INFO L93 Difference]: Finished difference Result 4023 states and 5141 transitions. [2020-11-07 04:03:08,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-11-07 04:03:08,429 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 206 [2020-11-07 04:03:08,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:03:08,453 INFO L225 Difference]: With dead ends: 4023 [2020-11-07 04:03:08,453 INFO L226 Difference]: Without dead ends: 3142 [2020-11-07 04:03:08,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=338, Invalid=1302, Unknown=0, NotChecked=0, Total=1640 [2020-11-07 04:03:08,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3142 states. [2020-11-07 04:03:09,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3142 to 2153. [2020-11-07 04:03:09,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2153 states. [2020-11-07 04:03:09,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2449 transitions. [2020-11-07 04:03:09,444 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2449 transitions. Word has length 206 [2020-11-07 04:03:09,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:03:09,445 INFO L481 AbstractCegarLoop]: Abstraction has 2153 states and 2449 transitions. [2020-11-07 04:03:09,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 04:03:09,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2449 transitions. [2020-11-07 04:03:09,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-07 04:03:09,450 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:03:09,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:03:09,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:03:09,451 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:03:09,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:03:09,452 INFO L82 PathProgramCache]: Analyzing trace with hash 924215721, now seen corresponding path program 1 times [2020-11-07 04:03:09,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:03:09,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501345091] [2020-11-07 04:03:09,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:03:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,757 WARN L194 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:03:09,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:03:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:03:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:03:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:03:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:03:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:03:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:03:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:03:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:03:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-07 04:03:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:03:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:03:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:03:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-11-07 04:03:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-11-07 04:03:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:03:09,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:03:09,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501345091] [2020-11-07 04:03:09,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:03:09,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 04:03:09,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433159862] [2020-11-07 04:03:09,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 04:03:09,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:03:09,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 04:03:09,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-11-07 04:03:09,904 INFO L87 Difference]: Start difference. First operand 2153 states and 2449 transitions. Second operand 9 states. [2020-11-07 04:03:10,566 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:03:16,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:03:16,042 INFO L93 Difference]: Finished difference Result 4989 states and 6480 transitions. [2020-11-07 04:03:16,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-11-07 04:03:16,043 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-11-07 04:03:16,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:03:16,082 INFO L225 Difference]: With dead ends: 4989 [2020-11-07 04:03:16,082 INFO L226 Difference]: Without dead ends: 4985 [2020-11-07 04:03:16,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=373, Invalid=1267, Unknown=0, NotChecked=0, Total=1640 [2020-11-07 04:03:16,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4985 states. [2020-11-07 04:03:17,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4985 to 3382. [2020-11-07 04:03:17,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3382 states. [2020-11-07 04:03:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 3382 states and 3935 transitions. [2020-11-07 04:03:17,695 INFO L78 Accepts]: Start accepts. Automaton has 3382 states and 3935 transitions. Word has length 211 [2020-11-07 04:03:17,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:03:17,695 INFO L481 AbstractCegarLoop]: Abstraction has 3382 states and 3935 transitions. [2020-11-07 04:03:17,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 04:03:17,696 INFO L276 IsEmpty]: Start isEmpty. Operand 3382 states and 3935 transitions. [2020-11-07 04:03:17,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-11-07 04:03:17,705 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:03:17,706 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:03:17,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:03:17,706 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:03:17,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:03:17,707 INFO L82 PathProgramCache]: Analyzing trace with hash 570363918, now seen corresponding path program 1 times [2020-11-07 04:03:17,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:03:17,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050569432] [2020-11-07 04:03:17,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:03:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:03:17,815 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:03:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:03:17,911 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:03:18,390 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 04:03:18,391 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 04:03:18,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:03:18,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:03:18 BoogieIcfgContainer [2020-11-07 04:03:18,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 04:03:18,892 INFO L168 Benchmark]: Toolchain (without parser) took 58550.98 ms. Allocated memory was 154.1 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 129.4 MB in the beginning and 1.1 GB in the end (delta: -943.3 MB). Peak memory consumption was 711.7 MB. Max. memory is 8.0 GB. [2020-11-07 04:03:18,897 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 04:03:18,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.50 ms. Allocated memory is still 154.1 MB. Free memory was 128.8 MB in the beginning and 132.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 8.0 GB. [2020-11-07 04:03:18,900 INFO L168 Benchmark]: Boogie Preprocessor took 144.70 ms. Allocated memory is still 154.1 MB. Free memory was 132.4 MB in the beginning and 128.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-07 04:03:18,901 INFO L168 Benchmark]: RCFGBuilder took 1832.92 ms. Allocated memory is still 154.1 MB. Free memory was 128.6 MB in the beginning and 108.4 MB in the end (delta: 20.2 MB). Peak memory consumption was 45.7 MB. Max. memory is 8.0 GB. [2020-11-07 04:03:18,904 INFO L168 Benchmark]: TraceAbstraction took 55786.01 ms. Allocated memory was 154.1 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 107.9 MB in the beginning and 1.1 GB in the end (delta: -964.8 MB). Peak memory consumption was 688.8 MB. Max. memory is 8.0 GB. [2020-11-07 04:03:18,915 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 is still 105.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 766.50 ms. Allocated memory is still 154.1 MB. Free memory was 128.8 MB in the beginning and 132.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 144.70 ms. Allocated memory is still 154.1 MB. Free memory was 132.4 MB in the beginning and 128.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1832.92 ms. Allocated memory is still 154.1 MB. Free memory was 128.6 MB in the beginning and 108.4 MB in the end (delta: 20.2 MB). Peak memory consumption was 45.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 55786.01 ms. Allocated memory was 154.1 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 107.9 MB in the beginning and 1.1 GB in the end (delta: -964.8 MB). Peak memory consumption was 688.8 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: [L49] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=181, \old(head)=183, \old(head)=169, \old(methAndRunningLastTime)=175, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=144, cleanupTimeShifts=181, head={183:169}, methAndRunningLastTime=175, methaneLevelCritical=147, pumpRunning=136, systemActive=135, waterLevel=1] [L50] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=181, \old(head)=183, \old(head)=169, \old(methAndRunningLastTime)=175, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=144, cleanupTimeShifts=181, head={183:169}, methAndRunningLastTime=175, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L312] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=181, \old(head)=183, \old(head)=169, \old(methAndRunningLastTime)=175, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=144, cleanupTimeShifts=181, head={0:0}, methAndRunningLastTime=175, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L547] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=181, \old(head)=169, \old(head)=183, \old(methAndRunningLastTime)=175, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=175, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L653] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=181, \old(head)=183, \old(head)=169, \old(methAndRunningLastTime)=175, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=175, methaneLevelCritical=0, pumpRunning=0, systemActive=135, waterLevel=1] [L654] int systemActive = 1; VAL [\old(cleanupTimeShifts)=181, \old(head)=183, \old(head)=169, \old(methAndRunningLastTime)=175, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=175, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L907] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=181, \old(head)=169, \old(head)=183, \old(methAndRunningLastTime)=175, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L625] 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] [L626] 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] [L630] 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] [L631] 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] [L632] 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] [L538] 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] [L541] 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] [L542] 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] [L632] 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] [L632] 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] [L634] 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] [L636] 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] [L637] 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] [L618] 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] [L912] 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] [L618] 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] [L619] 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] [L830] 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] [L831] 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] [L832] 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] [L833] 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] [L834] 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] [L837] 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] [L839] 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] [L841] 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] [L847] 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] [L849] 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] [L851] 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] [L67] 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] [L68] 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] [L851] 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] [L857] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L859] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L861] 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=0, systemActive=1, waterLevel=2] [L79] 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=0, systemActive=1, waterLevel=2] [L82] 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=0, systemActive=1, waterLevel=2] [L861] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L867] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L869] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L871] 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=0, systemActive=1, waterLevel=2] [L824] 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=0, systemActive=1, waterLevel=2] [L871] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L886] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L661] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L668] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L670] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L690] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L693] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L695] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L787] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L788] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L789] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L793] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L129] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L132] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L136] 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=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L137] 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=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L793] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L793] 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=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L795] 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=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L798] 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=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L800] 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=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L801] 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=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L695] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L695] 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=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L697] 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=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L699] 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=1, pumpRunning=0, systemActive=1, waterLevel=2] [L718] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L699] 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=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L670] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L676] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L917] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L918] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L922] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L88] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L91] 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=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L92] 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=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L922] 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()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L922] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L924] 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=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L926] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L742] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L745] retValue_acc = 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=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L746] 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=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L926] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L926] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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=2] [L928] COND TRUE \read(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=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L929] COND FALSE !(\read(methAndRunningLastTime)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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=2] [L934] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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=2] [L676] 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=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L886] 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=1, tmp___0=1, tmp___2=1, waterLevel=2] [L839] 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=1, tmp___0=1, tmp___2=1, waterLevel=2] [L841] 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=1, tmp___0=1, tmp___2=1, waterLevel=2] [L847] 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=2] [L849] 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=2] [L857] 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=2] [L859] 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=2] [L867] 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=2] [L869] 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=2] [L871] 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=2] [L824] 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=2] [L871] 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=2] [L886] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \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=2] [L661] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \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=2] [L663] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \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=2] [L55] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=1, \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=2] [L56] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \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] [L663] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \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] [L668] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \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] [L670] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \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] [L690] int tmp ; VAL [\old(methAndRunningLastTime)=1, \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] [L693] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \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] [L708] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \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] [L670] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \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] [L676] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \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] [L917] int tmp ; VAL [\old(methAndRunningLastTime)=1, \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] [L918] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \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] [L922] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \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] [L88] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \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] [L91] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L92] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L922] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L922] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L924] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \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, waterLevel=1] [L926] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \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] [L742] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \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] [L745] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L746] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L926] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L926] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L928] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \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] [L929] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \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] [L931] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \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] [L902] CALL reach_error() VAL [\old(methAndRunningLastTime)=1, \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] [L3] __assert_fail("0", "minepump_spec2_product36.cil.c", 3, "reach_error") VAL [\old(methAndRunningLastTime)=1, \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] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 638 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 55.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 43.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2210 SDtfs, 8073 SDslu, 5179 SDs, 0 SdLazy, 10082 SolverSat, 2838 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 483 GetRequests, 259 SyntacticMatches, 2 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1793 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3382occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 4502 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 1931 NumberOfCodeBlocks, 1931 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1648 ConstructedInterpolants, 0 QuantifiedInterpolants, 767645 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...