/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_spec1_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 03:55:06,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 03:55:06,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 03:55:06,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 03:55:06,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 03:55:06,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 03:55:06,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 03:55:06,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 03:55:06,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 03:55:06,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 03:55:06,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 03:55:06,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 03:55:06,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 03:55:06,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 03:55:06,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 03:55:06,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 03:55:06,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 03:55:06,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 03:55:06,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 03:55:06,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 03:55:06,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 03:55:06,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 03:55:06,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 03:55:06,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 03:55:06,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 03:55:06,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 03:55:06,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 03:55:06,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 03:55:06,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 03:55:06,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 03:55:06,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 03:55:06,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 03:55:06,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 03:55:06,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 03:55:06,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 03:55:06,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 03:55:06,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 03:55:06,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 03:55:06,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 03:55:06,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 03:55:06,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 03:55:06,865 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 03:55:06,877 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 03:55:06,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 03:55:06,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 03:55:06,885 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 03:55:06,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 03:55:06,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 03:55:06,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 03:55:06,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 03:55:06,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 03:55:06,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 03:55:06,886 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 03:55:06,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 03:55:06,887 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 03:55:06,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 03:55:06,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 03:55:06,888 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 03:55:06,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 03:55:06,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 03:55:06,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 03:55:06,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 03:55:06,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 03:55:06,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 03:55:06,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 03:55:07,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 03:55:07,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 03:55:07,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 03:55:07,321 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 03:55:07,322 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 03:55:07,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product38.cil.c [2020-11-07 03:55:07,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f487683/7e7c0af652d14a12b86db3535ba1a7f2/FLAG24a7fa660 [2020-11-07 03:55:08,109 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 03:55:08,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product38.cil.c [2020-11-07 03:55:08,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f487683/7e7c0af652d14a12b86db3535ba1a7f2/FLAG24a7fa660 [2020-11-07 03:55:08,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f487683/7e7c0af652d14a12b86db3535ba1a7f2 [2020-11-07 03:55:08,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 03:55:08,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 03:55:08,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 03:55:08,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 03:55:08,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 03:55:08,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:55:08" (1/1) ... [2020-11-07 03:55:08,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e3c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:08, skipping insertion in model container [2020-11-07 03:55:08,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:55:08" (1/1) ... [2020-11-07 03:55:08,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 03:55:08,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 03:55:08,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 03:55:08,838 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 03:55:09,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 03:55:09,045 INFO L208 MainTranslator]: Completed translation [2020-11-07 03:55:09,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09 WrapperNode [2020-11-07 03:55:09,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 03:55:09,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 03:55:09,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 03:55:09,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 03:55:09,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ... [2020-11-07 03:55:09,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ... [2020-11-07 03:55:09,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ... [2020-11-07 03:55:09,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ... [2020-11-07 03:55:09,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ... [2020-11-07 03:55:09,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ... [2020-11-07 03:55:09,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (1/1) ... [2020-11-07 03:55:09,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 03:55:09,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 03:55:09,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 03:55:09,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 03:55:09,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (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 03:55:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 03:55:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 03:55:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 03:55:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 03:55:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 03:55:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 03:55:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 03:55:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 03:55:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 03:55:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 03:55:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 03:55:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 03:55:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 03:55:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-11-07 03:55:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 03:55:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 03:55:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 03:55:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 03:55:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 03:55:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 03:55:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 03:55:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 03:55:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 03:55:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 03:55:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 03:55:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 03:55:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 03:55:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 03:55:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 03:55:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 03:55:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 03:55:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 03:55:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 03:55:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 03:55:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 03:55:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 03:55:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 03:55:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 03:55:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 03:55:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 03:55:09,309 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 03:55:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 03:55:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 03:55:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 03:55:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 03:55:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 03:55:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 03:55:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 03:55:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 03:55:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 03:55:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 03:55:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 03:55:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 03:55:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 03:55:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 03:55:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 03:55:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 03:55:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 03:55:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 03:55:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 03:55:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 03:55:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 03:55:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 03:55:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-11-07 03:55:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 03:55:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 03:55:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 03:55:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 03:55:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 03:55:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 03:55:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 03:55:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 03:55:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 03:55:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 03:55:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 03:55:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 03:55:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 03:55:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 03:55:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 03:55:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 03:55:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 03:55:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 03:55:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 03:55:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 03:55:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 03:55:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 03:55:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 03:55:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 03:55:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 03:55:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 03:55:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 03:55:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 03:55:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 03:55:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 03:55:11,041 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 03:55:11,041 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 03:55:11,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:55:11 BoogieIcfgContainer [2020-11-07 03:55:11,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 03:55:11,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 03:55:11,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 03:55:11,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 03:55:11,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:55:08" (1/3) ... [2020-11-07 03:55:11,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637c858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:55:11, skipping insertion in model container [2020-11-07 03:55:11,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:09" (2/3) ... [2020-11-07 03:55:11,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637c858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:55:11, skipping insertion in model container [2020-11-07 03:55:11,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:55:11" (3/3) ... [2020-11-07 03:55:11,053 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product38.cil.c [2020-11-07 03:55:11,069 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 03:55:11,073 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 03:55:11,086 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 03:55:11,110 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 03:55:11,111 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 03:55:11,111 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 03:55:11,111 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 03:55:11,111 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 03:55:11,111 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 03:55:11,111 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 03:55:11,111 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 03:55:11,134 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states. [2020-11-07 03:55:11,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-07 03:55:11,154 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:55:11,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:55:11,156 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 03:55:11,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:55:11,162 INFO L82 PathProgramCache]: Analyzing trace with hash -646420694, now seen corresponding path program 1 times [2020-11-07 03:55:11,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:55:11,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234830324] [2020-11-07 03:55:11,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:55:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:12,394 WARN L194 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:55:12,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:12,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:55:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:12,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:55:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:12,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:55:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:12,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:55:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:12,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:55:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:12,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 03:55:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:12,583 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 03:55:12,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234830324] [2020-11-07 03:55:12,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:55:12,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 03:55:12,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161608781] [2020-11-07 03:55:12,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 03:55:12,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:55:12,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 03:55:12,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 03:55:12,613 INFO L87 Difference]: Start difference. First operand 314 states. Second operand 3 states. [2020-11-07 03:55:15,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:55:15,233 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2020-11-07 03:55:15,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 03:55:15,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-11-07 03:55:15,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:55:15,256 INFO L225 Difference]: With dead ends: 486 [2020-11-07 03:55:15,256 INFO L226 Difference]: Without dead ends: 302 [2020-11-07 03:55:15,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 03:55:15,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-11-07 03:55:15,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 260. [2020-11-07 03:55:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-11-07 03:55:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 282 transitions. [2020-11-07 03:55:15,403 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 282 transitions. Word has length 148 [2020-11-07 03:55:15,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:55:15,404 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 282 transitions. [2020-11-07 03:55:15,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 03:55:15,404 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 282 transitions. [2020-11-07 03:55:15,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-07 03:55:15,408 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:55:15,409 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:55:15,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 03:55:15,409 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 03:55:15,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:55:15,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1672440179, now seen corresponding path program 1 times [2020-11-07 03:55:15,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:55:15,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687226747] [2020-11-07 03:55:15,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:55:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,331 WARN L194 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:55:16,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:55:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:55:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:55:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:55:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 03:55:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 03:55:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:16,422 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 03:55:16,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687226747] [2020-11-07 03:55:16,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:55:16,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 03:55:16,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343281450] [2020-11-07 03:55:16,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 03:55:16,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:55:16,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 03:55:16,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 03:55:16,427 INFO L87 Difference]: Start difference. First operand 260 states and 282 transitions. Second operand 4 states. [2020-11-07 03:55:17,809 WARN L194 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:55:19,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:55:19,648 INFO L93 Difference]: Finished difference Result 396 states and 446 transitions. [2020-11-07 03:55:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 03:55:19,649 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-11-07 03:55:19,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:55:19,658 INFO L225 Difference]: With dead ends: 396 [2020-11-07 03:55:19,658 INFO L226 Difference]: Without dead ends: 285 [2020-11-07 03:55:19,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 03:55:19,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-11-07 03:55:19,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 250. [2020-11-07 03:55:19,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-11-07 03:55:19,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 269 transitions. [2020-11-07 03:55:19,761 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 269 transitions. Word has length 149 [2020-11-07 03:55:19,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:55:19,762 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 269 transitions. [2020-11-07 03:55:19,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 03:55:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 269 transitions. [2020-11-07 03:55:19,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-07 03:55:19,765 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:55:19,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 03:55:19,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 03:55:19,766 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 03:55:19,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:55:19,766 INFO L82 PathProgramCache]: Analyzing trace with hash -478958161, now seen corresponding path program 1 times [2020-11-07 03:55:19,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:55:19,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20258331] [2020-11-07 03:55:19,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:55:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:20,618 WARN L194 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:55:20,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:20,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:55:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:20,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:55:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:20,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:55:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:20,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:55:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:20,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 03:55:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:20,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 03:55:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:20,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 03:55:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:20,899 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 03:55:20,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20258331] [2020-11-07 03:55:20,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:55:20,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 03:55:20,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827045801] [2020-11-07 03:55:20,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 03:55:20,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:55:20,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 03:55:20,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 03:55:20,905 INFO L87 Difference]: Start difference. First operand 250 states and 269 transitions. Second operand 10 states. [2020-11-07 03:55:22,084 WARN L194 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:55:23,120 WARN L194 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:55:24,007 WARN L194 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 03:55:24,900 WARN L194 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:25,647 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:55:26,471 WARN L194 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:29,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:55:29,666 INFO L93 Difference]: Finished difference Result 442 states and 508 transitions. [2020-11-07 03:55:29,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 03:55:29,667 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-11-07 03:55:29,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:55:29,671 INFO L225 Difference]: With dead ends: 442 [2020-11-07 03:55:29,671 INFO L226 Difference]: Without dead ends: 307 [2020-11-07 03:55:29,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-11-07 03:55:29,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-11-07 03:55:29,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 250. [2020-11-07 03:55:29,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-11-07 03:55:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 268 transitions. [2020-11-07 03:55:29,770 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 268 transitions. Word has length 162 [2020-11-07 03:55:29,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:55:29,771 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 268 transitions. [2020-11-07 03:55:29,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 03:55:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 268 transitions. [2020-11-07 03:55:29,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-07 03:55:29,774 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:55:29,774 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] [2020-11-07 03:55:29,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 03:55:29,775 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 03:55:29,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:55:29,775 INFO L82 PathProgramCache]: Analyzing trace with hash -2085636402, now seen corresponding path program 1 times [2020-11-07 03:55:29,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:55:29,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908771468] [2020-11-07 03:55:29,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:55:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:30,616 WARN L194 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:55:30,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:30,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:55:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:30,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:55:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:30,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:55:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:30,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:55:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:30,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 03:55:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:30,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 03:55:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:30,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:55:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:30,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:55:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:30,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 03:55:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:30,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-11-07 03:55:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:30,793 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 03:55:30,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908771468] [2020-11-07 03:55:30,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:55:30,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 03:55:30,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415406851] [2020-11-07 03:55:30,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 03:55:30,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:55:30,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 03:55:30,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-07 03:55:30,797 INFO L87 Difference]: Start difference. First operand 250 states and 268 transitions. Second operand 7 states. [2020-11-07 03:55:32,014 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:55:35,274 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:55:37,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:55:37,501 INFO L93 Difference]: Finished difference Result 624 states and 740 transitions. [2020-11-07 03:55:37,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 03:55:37,503 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 175 [2020-11-07 03:55:37,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:55:37,508 INFO L225 Difference]: With dead ends: 624 [2020-11-07 03:55:37,508 INFO L226 Difference]: Without dead ends: 489 [2020-11-07 03:55:37,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-11-07 03:55:37,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2020-11-07 03:55:37,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 360. [2020-11-07 03:55:37,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-07 03:55:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 387 transitions. [2020-11-07 03:55:37,678 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 387 transitions. Word has length 175 [2020-11-07 03:55:37,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:55:37,679 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 387 transitions. [2020-11-07 03:55:37,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 03:55:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 387 transitions. [2020-11-07 03:55:37,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-07 03:55:37,683 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:55:37,683 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] [2020-11-07 03:55:37,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 03:55:37,683 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 03:55:37,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:55:37,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1678617296, now seen corresponding path program 1 times [2020-11-07 03:55:37,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:55:37,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [851437259] [2020-11-07 03:55:37,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:55:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,393 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:55:38,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:55:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:55:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:55:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:55:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 03:55:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 03:55:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:55:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:55:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:55:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:55:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-11-07 03:55:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-11-07 03:55:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:38,668 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 03:55:38,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [851437259] [2020-11-07 03:55:38,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:55:38,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 03:55:38,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676892969] [2020-11-07 03:55:38,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 03:55:38,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:55:38,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 03:55:38,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 03:55:38,671 INFO L87 Difference]: Start difference. First operand 360 states and 387 transitions. Second operand 10 states. [2020-11-07 03:55:39,937 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:55:42,278 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:43,087 WARN L194 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 03:55:43,903 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:55:44,686 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:45,562 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 03:55:46,404 WARN L194 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:50,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:55:50,751 INFO L93 Difference]: Finished difference Result 1002 states and 1226 transitions. [2020-11-07 03:55:50,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 03:55:50,761 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2020-11-07 03:55:50,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:55:50,768 INFO L225 Difference]: With dead ends: 1002 [2020-11-07 03:55:50,768 INFO L226 Difference]: Without dead ends: 757 [2020-11-07 03:55:50,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-11-07 03:55:50,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2020-11-07 03:55:51,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 544. [2020-11-07 03:55:51,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-11-07 03:55:51,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 598 transitions. [2020-11-07 03:55:51,038 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 598 transitions. Word has length 199 [2020-11-07 03:55:51,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:55:51,039 INFO L481 AbstractCegarLoop]: Abstraction has 544 states and 598 transitions. [2020-11-07 03:55:51,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 03:55:51,039 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 598 transitions. [2020-11-07 03:55:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-07 03:55:51,043 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:55:51,043 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] [2020-11-07 03:55:51,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 03:55:51,044 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 03:55:51,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:55:51,044 INFO L82 PathProgramCache]: Analyzing trace with hash -976056019, now seen corresponding path program 1 times [2020-11-07 03:55:51,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:55:51,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16214734] [2020-11-07 03:55:51,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:55:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,758 WARN L194 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:55:51,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:55:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:55:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:55:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:55:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:55:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 03:55:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 03:55:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:55:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:55:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:55:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:55:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-11-07 03:55:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-11-07 03:55:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:55:51,971 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 03:55:51,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16214734] [2020-11-07 03:55:51,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:55:51,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 03:55:51,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097485372] [2020-11-07 03:55:52,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 03:55:52,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:55:52,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 03:55:52,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 03:55:52,005 INFO L87 Difference]: Start difference. First operand 544 states and 598 transitions. Second operand 10 states. [2020-11-07 03:55:53,139 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:55:56,521 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:57,321 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:55:58,139 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:55:58,900 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:55:59,668 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:56:00,434 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:56:01,241 WARN L194 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:56:02,354 WARN L194 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:05,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:56:05,989 INFO L93 Difference]: Finished difference Result 1724 states and 2123 transitions. [2020-11-07 03:56:05,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 03:56:05,994 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2020-11-07 03:56:05,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:56:06,003 INFO L225 Difference]: With dead ends: 1724 [2020-11-07 03:56:06,003 INFO L226 Difference]: Without dead ends: 1295 [2020-11-07 03:56:06,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-11-07 03:56:06,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-11-07 03:56:06,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 911. [2020-11-07 03:56:06,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 911 states. [2020-11-07 03:56:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1010 transitions. [2020-11-07 03:56:06,388 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1010 transitions. Word has length 199 [2020-11-07 03:56:06,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:56:06,389 INFO L481 AbstractCegarLoop]: Abstraction has 911 states and 1010 transitions. [2020-11-07 03:56:06,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 03:56:06,389 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1010 transitions. [2020-11-07 03:56:06,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-11-07 03:56:06,393 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:06,393 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] [2020-11-07 03:56:06,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 03:56:06,394 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 03:56:06,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:06,394 INFO L82 PathProgramCache]: Analyzing trace with hash 731598753, now seen corresponding path program 1 times [2020-11-07 03:56:06,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:06,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161857887] [2020-11-07 03:56:06,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:56:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,160 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:56:07,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:56:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:56:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:56:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:56:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:56:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:56:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 03:56:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-07 03:56:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:56:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:56:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:56:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:56:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-11-07 03:56:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-11-07 03:56:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:07,413 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 03:56:07,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [161857887] [2020-11-07 03:56:07,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:56:07,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 03:56:07,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420939945] [2020-11-07 03:56:07,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 03:56:07,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:56:07,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 03:56:07,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 03:56:07,416 INFO L87 Difference]: Start difference. First operand 911 states and 1010 transitions. Second operand 11 states. [2020-11-07 03:56:08,661 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:56:12,115 WARN L194 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:56:12,919 WARN L194 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 03:56:13,713 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:56:14,598 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:56:15,441 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:56:16,369 WARN L194 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 03:56:17,213 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:56:18,088 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:22,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:56:22,407 INFO L93 Difference]: Finished difference Result 1541 states and 1935 transitions. [2020-11-07 03:56:22,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-11-07 03:56:22,409 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 204 [2020-11-07 03:56:22,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:56:22,420 INFO L225 Difference]: With dead ends: 1541 [2020-11-07 03:56:22,420 INFO L226 Difference]: Without dead ends: 1537 [2020-11-07 03:56:22,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-11-07 03:56:22,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2020-11-07 03:56:22,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 911. [2020-11-07 03:56:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 911 states. [2020-11-07 03:56:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1008 transitions. [2020-11-07 03:56:22,818 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1008 transitions. Word has length 204 [2020-11-07 03:56:22,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:56:22,819 INFO L481 AbstractCegarLoop]: Abstraction has 911 states and 1008 transitions. [2020-11-07 03:56:22,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 03:56:22,819 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1008 transitions. [2020-11-07 03:56:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-07 03:56:22,824 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:22,824 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] [2020-11-07 03:56:22,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 03:56:22,825 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 03:56:22,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:22,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1250147085, now seen corresponding path program 1 times [2020-11-07 03:56:22,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:22,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1763455094] [2020-11-07 03:56:22,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:56:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,646 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:56:23,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:56:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:56:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:56:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:56:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:56:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:56:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 03:56:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-07 03:56:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:56:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:56:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:56:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:56:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-07 03:56:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 03:56:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:23,905 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 03:56:23,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1763455094] [2020-11-07 03:56:23,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:56:23,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 03:56:23,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630421062] [2020-11-07 03:56:23,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 03:56:23,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:56:23,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 03:56:23,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 03:56:23,907 INFO L87 Difference]: Start difference. First operand 911 states and 1008 transitions. Second operand 11 states. [2020-11-07 03:56:26,846 WARN L194 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:56:27,714 WARN L194 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 03:56:28,624 WARN L194 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 03:56:29,443 WARN L194 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:30,277 WARN L194 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:56:31,060 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:34,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:56:34,907 INFO L93 Difference]: Finished difference Result 2355 states and 2891 transitions. [2020-11-07 03:56:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 03:56:34,908 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 205 [2020-11-07 03:56:34,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:56:34,918 INFO L225 Difference]: With dead ends: 2355 [2020-11-07 03:56:34,918 INFO L226 Difference]: Without dead ends: 1559 [2020-11-07 03:56:34,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 03:56:34,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2020-11-07 03:56:35,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 943. [2020-11-07 03:56:35,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 943 states. [2020-11-07 03:56:35,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1040 transitions. [2020-11-07 03:56:35,421 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1040 transitions. Word has length 205 [2020-11-07 03:56:35,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:56:35,421 INFO L481 AbstractCegarLoop]: Abstraction has 943 states and 1040 transitions. [2020-11-07 03:56:35,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 03:56:35,422 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1040 transitions. [2020-11-07 03:56:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-07 03:56:35,426 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:35,426 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] [2020-11-07 03:56:35,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 03:56:35,427 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 03:56:35,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:35,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1375351469, now seen corresponding path program 1 times [2020-11-07 03:56:35,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:35,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240271364] [2020-11-07 03:56:35,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:56:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,160 WARN L194 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 03:56:36,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 03:56:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 03:56:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 03:56:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 03:56:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 03:56:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 03:56:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 03:56:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-07 03:56:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:56:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 03:56:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 03:56:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 03:56:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-07 03:56:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-07 03:56:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 03:56:36,490 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 03:56:36,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240271364] [2020-11-07 03:56:36,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 03:56:36,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 03:56:36,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80443011] [2020-11-07 03:56:36,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 03:56:36,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 03:56:36,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 03:56:36,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-07 03:56:36,493 INFO L87 Difference]: Start difference. First operand 943 states and 1040 transitions. Second operand 14 states. [2020-11-07 03:56:37,876 WARN L194 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 03:56:38,729 WARN L194 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 03:56:39,565 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:40,372 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:56:41,136 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:43,124 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:43,887 WARN L194 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:56:44,691 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:45,509 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 03:56:46,312 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 03:56:49,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 03:56:49,883 INFO L93 Difference]: Finished difference Result 2023 states and 2446 transitions. [2020-11-07 03:56:49,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 03:56:49,884 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 205 [2020-11-07 03:56:49,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 03:56:49,891 INFO L225 Difference]: With dead ends: 2023 [2020-11-07 03:56:49,891 INFO L226 Difference]: Without dead ends: 1195 [2020-11-07 03:56:49,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 03:56:49,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2020-11-07 03:56:50,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 781. [2020-11-07 03:56:50,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2020-11-07 03:56:50,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 840 transitions. [2020-11-07 03:56:50,346 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 840 transitions. Word has length 205 [2020-11-07 03:56:50,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 03:56:50,346 INFO L481 AbstractCegarLoop]: Abstraction has 781 states and 840 transitions. [2020-11-07 03:56:50,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 03:56:50,346 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 840 transitions. [2020-11-07 03:56:50,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-11-07 03:56:50,350 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 03:56:50,350 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] [2020-11-07 03:56:50,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 03:56:50,351 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 03:56:50,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 03:56:50,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1738965623, now seen corresponding path program 1 times [2020-11-07 03:56:50,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 03:56:50,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [663659664] [2020-11-07 03:56:50,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 03:56:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 03:56:50,446 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 03:56:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 03:56:50,513 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 03:56:50,766 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 03:56:50,767 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 03:56:50,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 03:56:51,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:56:51 BoogieIcfgContainer [2020-11-07 03:56:51,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 03:56:51,026 INFO L168 Benchmark]: Toolchain (without parser) took 102591.11 ms. Allocated memory was 152.0 MB in the beginning and 543.2 MB in the end (delta: 391.1 MB). Free memory was 127.7 MB in the beginning and 371.7 MB in the end (delta: -244.0 MB). Peak memory consumption was 147.5 MB. Max. memory is 8.0 GB. [2020-11-07 03:56:51,027 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 03:56:51,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.28 ms. Allocated memory is still 152.0 MB. Free memory was 127.0 MB in the beginning and 105.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-11-07 03:56:51,028 INFO L168 Benchmark]: Boogie Preprocessor took 166.56 ms. Allocated memory is still 152.0 MB. Free memory was 105.6 MB in the beginning and 132.9 MB in the end (delta: -27.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. [2020-11-07 03:56:51,028 INFO L168 Benchmark]: RCFGBuilder took 1826.78 ms. Allocated memory is still 152.0 MB. Free memory was 132.9 MB in the beginning and 88.7 MB in the end (delta: 44.2 MB). Peak memory consumption was 63.6 MB. Max. memory is 8.0 GB. [2020-11-07 03:56:51,029 INFO L168 Benchmark]: TraceAbstraction took 99978.02 ms. Allocated memory was 152.0 MB in the beginning and 543.2 MB in the end (delta: 391.1 MB). Free memory was 88.1 MB in the beginning and 371.7 MB in the end (delta: -283.5 MB). Peak memory consumption was 107.1 MB. Max. memory is 8.0 GB. [2020-11-07 03:56:51,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 605.28 ms. Allocated memory is still 152.0 MB. Free memory was 127.0 MB in the beginning and 105.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 166.56 ms. Allocated memory is still 152.0 MB. Free memory was 105.6 MB in the beginning and 132.9 MB in the end (delta: -27.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1826.78 ms. Allocated memory is still 152.0 MB. Free memory was 132.9 MB in the beginning and 88.7 MB in the end (delta: 44.2 MB). Peak memory consumption was 63.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 99978.02 ms. Allocated memory was 152.0 MB in the beginning and 543.2 MB in the end (delta: 391.1 MB). Free memory was 88.1 MB in the beginning and 371.7 MB in the end (delta: -283.5 MB). Peak memory consumption was 107.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=181, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={182:169}, methaneLevelCritical=151, pumpRunning=142, systemActive=141, waterLevel=145] [L379] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=169, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=151, pumpRunning=142, systemActive=141, waterLevel=145] [L582] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=169, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=151, pumpRunning=0, systemActive=141, waterLevel=145] [L583] int systemActive = 1; VAL [\old(cleanupTimeShifts)=181, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=145] [L845] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=169, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=151, pumpRunning=0, systemActive=1, waterLevel=1] [L846] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=181, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=151, \old(pumpRunning)=142, \old(systemActive)=141, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L124] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L129] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L172] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L176] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L130] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L130] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L132] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L134] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L135] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L114] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L769] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L770] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L771] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L772] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L773] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L776] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L778] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L780] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L786] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L788] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L790] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L864] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L790] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L796] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L798] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L800] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L875] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L878] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L800] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L806] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L808] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L810] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L763] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L810] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L823] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L589] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L596] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L598] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L644] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L647] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L662] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L618] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L623] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L741] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L742] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L743] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L747] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L925] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L928] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L932] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L933] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L747] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L747] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L749] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L752] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L754] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L755] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L623] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L623] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L625] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L627] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L672] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L627] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L662] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L598] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L604] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L185] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L186] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L190] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L884] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L887] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L888] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L190] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L190] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L192] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L194] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L696] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L699] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L700] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L194] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L194] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L196] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L198] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L839] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec1_product38.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 635 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 99.6s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 86.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2167 SDtfs, 4814 SDslu, 4861 SDs, 0 SdLazy, 9510 SolverSat, 1454 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 46.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=943occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 2516 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 1856 NumberOfCodeBlocks, 1856 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1637 ConstructedInterpolants, 0 QuantifiedInterpolants, 752995 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...