/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:37:42,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:37:42,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:37:42,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:37:42,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:37:42,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:37:42,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:37:42,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:37:42,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:37:42,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:37:42,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:37:42,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:37:42,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:37:42,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:37:42,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:37:42,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:37:42,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:37:42,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:37:42,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:37:42,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:37:42,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:37:42,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:37:42,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:37:42,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:37:42,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 21:37:42,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 21:37:42,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 21:37:42,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 21:37:42,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 21:37:42,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 21:37:42,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 21:37:42,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 21:37:42,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 21:37:42,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 21:37:42,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 21:37:42,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 21:37:42,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 21:37:42,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 21:37:42,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:37:42,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:37:42,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:37:42,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 21:37:42,545 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:37:42,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:37:42,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:37:42,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:37:42,547 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:37:42,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:37:42,547 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:37:42,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:37:42,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:37:42,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:37:42,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:37:42,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:37:42,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:37:42,549 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:37:42,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:37:42,549 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:37:42,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:37:42,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:37:42,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:37:42,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:37:42,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:37:42,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:37:42,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:37:42,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:37:42,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:37:42,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:37:42,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:37:42,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:37:42,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:37:42,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:37:42,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:37:42,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:37:42,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:37:42,979 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:37:42,982 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:37:42,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c [2020-11-06 21:37:43,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/049dce22b/a09257638309452aa2a6e6c6cf01e3dd/FLAG3fdd288a9 [2020-11-06 21:37:43,757 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:37:43,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c [2020-11-06 21:37:43,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/049dce22b/a09257638309452aa2a6e6c6cf01e3dd/FLAG3fdd288a9 [2020-11-06 21:37:43,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/049dce22b/a09257638309452aa2a6e6c6cf01e3dd [2020-11-06 21:37:43,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:37:43,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:37:43,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:37:43,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:37:44,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:37:44,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:37:43" (1/1) ... [2020-11-06 21:37:44,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42dc20ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:44, skipping insertion in model container [2020-11-06 21:37:44,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:37:43" (1/1) ... [2020-11-06 21:37:44,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:37:44,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:37:44,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:37:44,471 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:37:44,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:37:44,674 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:37:44,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:44 WrapperNode [2020-11-06 21:37:44,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:37:44,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:37:44,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:37:44,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:37:44,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:44" (1/1) ... [2020-11-06 21:37:44,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:44" (1/1) ... [2020-11-06 21:37:44,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:44" (1/1) ... [2020-11-06 21:37:44,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:44" (1/1) ... [2020-11-06 21:37:44,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:44" (1/1) ... [2020-11-06 21:37:44,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:44" (1/1) ... [2020-11-06 21:37:44,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:44" (1/1) ... [2020-11-06 21:37:44,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:37:44,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:37:44,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:37:44,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:37:44,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:44" (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 [2020-11-06 21:37:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:37:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:37:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-06 21:37:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:37:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-06 21:37:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-06 21:37:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-06 21:37:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-06 21:37:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-06 21:37:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-06 21:37:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-06 21:37:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-06 21:37:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-06 21:37:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-06 21:37:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-06 21:37:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-06 21:37:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-06 21:37:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-06 21:37:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-06 21:37:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:37:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-06 21:37:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-06 21:37:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-06 21:37:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-06 21:37:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-06 21:37:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-06 21:37:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-06 21:37:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-06 21:37:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-06 21:37:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-06 21:37:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-06 21:37:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-06 21:37:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-06 21:37:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-06 21:37:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-06 21:37:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-06 21:37:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-06 21:37:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-11-06 21:37:44,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-11-06 21:37:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:37:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:37:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:37:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:37:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 21:37:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-06 21:37:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-06 21:37:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-06 21:37:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-06 21:37:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-06 21:37:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-06 21:37:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-06 21:37:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-06 21:37:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-06 21:37:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-06 21:37:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-06 21:37:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-06 21:37:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-06 21:37:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-06 21:37:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-06 21:37:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-06 21:37:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-06 21:37:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-11-06 21:37:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-06 21:37:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-06 21:37:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:37:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-06 21:37:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-06 21:37:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-06 21:37:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-06 21:37:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-11-06 21:37:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-06 21:37:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-06 21:37:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-06 21:37:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-06 21:37:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 21:37:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 21:37:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-06 21:37:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 21:37:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 21:37:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:37:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 21:37:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-06 21:37:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:37:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-06 21:37:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-06 21:37:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:37:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-06 21:37:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-06 21:37:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-06 21:37:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:37:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:37:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:37:46,364 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:37:46,364 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 21:37:46,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:37:46 BoogieIcfgContainer [2020-11-06 21:37:46,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:37:46,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:37:46,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:37:46,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:37:46,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:37:43" (1/3) ... [2020-11-06 21:37:46,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26fcdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:37:46, skipping insertion in model container [2020-11-06 21:37:46,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:37:44" (2/3) ... [2020-11-06 21:37:46,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26fcdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:37:46, skipping insertion in model container [2020-11-06 21:37:46,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:37:46" (3/3) ... [2020-11-06 21:37:46,376 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product33.cil.c [2020-11-06 21:37:46,391 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:37:46,396 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-06 21:37:46,408 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-06 21:37:46,436 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:37:46,436 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:37:46,436 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:37:46,436 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:37:46,436 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:37:46,437 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:37:46,437 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:37:46,437 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:37:46,458 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-11-06 21:37:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-06 21:37:46,468 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:46,469 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] [2020-11-06 21:37:46,470 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]=== [2020-11-06 21:37:46,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:46,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1173658694, now seen corresponding path program 1 times [2020-11-06 21:37:46,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:46,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24155178] [2020-11-06 21:37:46,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,549 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:47,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:37:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:37:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:37:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:37:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:37:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:37:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-06 21:37:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 21:37:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:47,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:37:47,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24155178] [2020-11-06 21:37:47,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:37:47,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 21:37:47,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701672472] [2020-11-06 21:37:47,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 21:37:47,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:37:47,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 21:37:47,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:37:47,711 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 4 states. [2020-11-06 21:37:49,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:37:49,492 INFO L93 Difference]: Finished difference Result 253 states and 334 transitions. [2020-11-06 21:37:49,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 21:37:49,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-11-06 21:37:49,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:37:49,508 INFO L225 Difference]: With dead ends: 253 [2020-11-06 21:37:49,508 INFO L226 Difference]: Without dead ends: 140 [2020-11-06 21:37:49,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:37:49,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-11-06 21:37:49,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 111. [2020-11-06 21:37:49,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-06 21:37:49,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2020-11-06 21:37:49,611 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 52 [2020-11-06 21:37:49,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:37:49,612 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2020-11-06 21:37:49,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 21:37:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2020-11-06 21:37:49,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-06 21:37:49,616 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:49,616 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] [2020-11-06 21:37:49,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:37:49,616 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]=== [2020-11-06 21:37:49,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:49,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1590154117, now seen corresponding path program 1 times [2020-11-06 21:37:49,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:49,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381191534] [2020-11-06 21:37:49,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:50,481 WARN L194 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:50,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:37:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:50,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:37:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:50,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:37:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:50,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:37:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:50,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:37:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:50,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:37:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:50,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:37:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:50,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 21:37:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:37:50,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381191534] [2020-11-06 21:37:50,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:37:50,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-06 21:37:50,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147590443] [2020-11-06 21:37:50,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 21:37:50,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:37:50,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 21:37:50,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 21:37:50,614 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 5 states. [2020-11-06 21:37:51,786 WARN L194 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:37:53,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:37:53,129 INFO L93 Difference]: Finished difference Result 195 states and 241 transitions. [2020-11-06 21:37:53,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 21:37:53,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-11-06 21:37:53,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:37:53,134 INFO L225 Difference]: With dead ends: 195 [2020-11-06 21:37:53,134 INFO L226 Difference]: Without dead ends: 130 [2020-11-06 21:37:53,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:37:53,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-11-06 21:37:53,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 102. [2020-11-06 21:37:53,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-11-06 21:37:53,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-11-06 21:37:53,183 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 53 [2020-11-06 21:37:53,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:37:53,183 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-11-06 21:37:53,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 21:37:53,183 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-11-06 21:37:53,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-06 21:37:53,186 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:53,186 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] [2020-11-06 21:37:53,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 21:37:53,186 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]=== [2020-11-06 21:37:53,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:53,187 INFO L82 PathProgramCache]: Analyzing trace with hash 613753550, now seen corresponding path program 1 times [2020-11-06 21:37:53,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:53,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915325382] [2020-11-06 21:37:53,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:54,063 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:37:54,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:37:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:54,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:37:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:54,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:37:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:54,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:37:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:54,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:37:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:54,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:37:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:54,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:37:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:54,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-11-06 21:37:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:37:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:37:54,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915325382] [2020-11-06 21:37:54,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:37:54,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:37:54,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130279877] [2020-11-06 21:37:54,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:37:54,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:37:54,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:37:54,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:37:54,273 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 9 states. [2020-11-06 21:37:55,261 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:37:56,170 WARN L194 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:56,997 WARN L194 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:57,785 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:37:59,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:37:59,787 INFO L93 Difference]: Finished difference Result 204 states and 256 transitions. [2020-11-06 21:37:59,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 21:37:59,792 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-11-06 21:37:59,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:37:59,795 INFO L225 Difference]: With dead ends: 204 [2020-11-06 21:37:59,795 INFO L226 Difference]: Without dead ends: 130 [2020-11-06 21:37:59,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-11-06 21:37:59,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-11-06 21:37:59,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 102. [2020-11-06 21:37:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-11-06 21:37:59,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 117 transitions. [2020-11-06 21:37:59,831 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 117 transitions. Word has length 57 [2020-11-06 21:37:59,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:37:59,832 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 117 transitions. [2020-11-06 21:37:59,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:37:59,832 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2020-11-06 21:37:59,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-06 21:37:59,834 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:37:59,834 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] [2020-11-06 21:37:59,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 21:37:59,835 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]=== [2020-11-06 21:37:59,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:37:59,836 INFO L82 PathProgramCache]: Analyzing trace with hash -2047580143, now seen corresponding path program 1 times [2020-11-06 21:37:59,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:37:59,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898777055] [2020-11-06 21:37:59,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:37:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:00,697 WARN L194 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:38:00,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:38:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:00,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:38:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:00,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:38:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:00,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:38:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:00,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:38:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:00,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:38:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:00,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-11-06 21:38:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:00,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:38:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:00,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-11-06 21:38:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:00,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-06 21:38:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:38:00,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898777055] [2020-11-06 21:38:00,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:38:00,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 21:38:00,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766354955] [2020-11-06 21:38:00,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 21:38:00,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:38:00,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 21:38:00,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:38:00,849 INFO L87 Difference]: Start difference. First operand 102 states and 117 transitions. Second operand 7 states. [2020-11-06 21:38:01,724 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:38:04,245 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:38:05,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:38:05,303 INFO L93 Difference]: Finished difference Result 291 states and 368 transitions. [2020-11-06 21:38:05,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-06 21:38:05,305 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2020-11-06 21:38:05,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:38:05,308 INFO L225 Difference]: With dead ends: 291 [2020-11-06 21:38:05,308 INFO L226 Difference]: Without dead ends: 217 [2020-11-06 21:38:05,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-11-06 21:38:05,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-11-06 21:38:05,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 169. [2020-11-06 21:38:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-11-06 21:38:05,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 196 transitions. [2020-11-06 21:38:05,362 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 196 transitions. Word has length 65 [2020-11-06 21:38:05,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:38:05,362 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 196 transitions. [2020-11-06 21:38:05,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 21:38:05,363 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 196 transitions. [2020-11-06 21:38:05,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-06 21:38:05,365 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:38:05,365 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] [2020-11-06 21:38:05,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 21:38:05,365 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]=== [2020-11-06 21:38:05,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:38:05,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1013063580, now seen corresponding path program 1 times [2020-11-06 21:38:05,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:38:05,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762306178] [2020-11-06 21:38:05,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:38:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:06,171 WARN L194 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:38:06,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:38:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:06,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:38:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:06,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:38:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:06,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:38:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:06,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:38:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:06,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:38:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:06,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-11-06 21:38:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:06,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:38:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:06,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:38:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:06,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:38:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:06,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-11-06 21:38:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:06,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-11-06 21:38:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:38:06,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762306178] [2020-11-06 21:38:06,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:38:06,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:38:06,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297463523] [2020-11-06 21:38:06,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:38:06,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:38:06,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:38:06,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:38:06,390 INFO L87 Difference]: Start difference. First operand 169 states and 196 transitions. Second operand 9 states. [2020-11-06 21:38:07,442 WARN L194 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:38:09,836 WARN L194 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:38:10,636 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:38:11,373 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:38:12,077 WARN L194 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:38:13,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:38:13,951 INFO L93 Difference]: Finished difference Result 497 states and 638 transitions. [2020-11-06 21:38:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-06 21:38:13,955 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-11-06 21:38:13,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:38:13,961 INFO L225 Difference]: With dead ends: 497 [2020-11-06 21:38:13,961 INFO L226 Difference]: Without dead ends: 356 [2020-11-06 21:38:13,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-11-06 21:38:13,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-11-06 21:38:14,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 285. [2020-11-06 21:38:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2020-11-06 21:38:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 331 transitions. [2020-11-06 21:38:14,046 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 331 transitions. Word has length 79 [2020-11-06 21:38:14,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:38:14,046 INFO L481 AbstractCegarLoop]: Abstraction has 285 states and 331 transitions. [2020-11-06 21:38:14,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:38:14,047 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 331 transitions. [2020-11-06 21:38:14,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-06 21:38:14,049 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:38:14,049 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] [2020-11-06 21:38:14,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 21:38:14,050 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]=== [2020-11-06 21:38:14,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:38:14,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1882031304, now seen corresponding path program 1 times [2020-11-06 21:38:14,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:38:14,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684412161] [2020-11-06 21:38:14,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:38:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,809 WARN L194 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:38:14,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:38:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:38:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:38:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:38:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:38:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:38:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:38:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 21:38:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:38:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:38:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:38:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-11-06 21:38:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-11-06 21:38:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:38:14,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684412161] [2020-11-06 21:38:14,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:38:14,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-06 21:38:14,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766062065] [2020-11-06 21:38:14,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 21:38:14,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:38:14,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 21:38:14,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-06 21:38:14,990 INFO L87 Difference]: Start difference. First operand 285 states and 331 transitions. Second operand 10 states. [2020-11-06 21:38:15,977 WARN L194 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:38:18,350 WARN L194 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:38:19,084 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:38:19,885 WARN L194 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:38:20,731 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:38:22,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:38:22,567 INFO L93 Difference]: Finished difference Result 648 states and 815 transitions. [2020-11-06 21:38:22,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-06 21:38:22,569 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-11-06 21:38:22,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:38:22,574 INFO L225 Difference]: With dead ends: 648 [2020-11-06 21:38:22,575 INFO L226 Difference]: Without dead ends: 391 [2020-11-06 21:38:22,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2020-11-06 21:38:22,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-11-06 21:38:22,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 284. [2020-11-06 21:38:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-11-06 21:38:22,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 328 transitions. [2020-11-06 21:38:22,670 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 328 transitions. Word has length 83 [2020-11-06 21:38:22,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:38:22,671 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 328 transitions. [2020-11-06 21:38:22,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 21:38:22,671 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 328 transitions. [2020-11-06 21:38:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-06 21:38:22,673 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:38:22,673 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] [2020-11-06 21:38:22,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-06 21:38:22,674 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]=== [2020-11-06 21:38:22,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:38:22,675 INFO L82 PathProgramCache]: Analyzing trace with hash -808706121, now seen corresponding path program 1 times [2020-11-06 21:38:22,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:38:22,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657812949] [2020-11-06 21:38:22,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:38:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,377 WARN L194 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:38:23,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:38:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:38:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:38:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:38:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:38:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:38:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:38:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 21:38:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:38:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:38:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:38:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-11-06 21:38:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-06 21:38:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:38:23,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657812949] [2020-11-06 21:38:23,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:38:23,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-06 21:38:23,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380099806] [2020-11-06 21:38:23,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 21:38:23,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:38:23,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 21:38:23,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-06 21:38:23,611 INFO L87 Difference]: Start difference. First operand 284 states and 328 transitions. Second operand 10 states. [2020-11-06 21:38:25,858 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:38:26,615 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:38:27,366 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:38:28,107 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:38:30,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:38:30,012 INFO L93 Difference]: Finished difference Result 651 states and 825 transitions. [2020-11-06 21:38:30,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-06 21:38:30,014 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-11-06 21:38:30,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:38:30,018 INFO L225 Difference]: With dead ends: 651 [2020-11-06 21:38:30,018 INFO L226 Difference]: Without dead ends: 395 [2020-11-06 21:38:30,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-11-06 21:38:30,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-11-06 21:38:30,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 294. [2020-11-06 21:38:30,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-11-06 21:38:30,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 338 transitions. [2020-11-06 21:38:30,109 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 338 transitions. Word has length 84 [2020-11-06 21:38:30,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:38:30,110 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 338 transitions. [2020-11-06 21:38:30,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 21:38:30,110 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 338 transitions. [2020-11-06 21:38:30,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-06 21:38:30,111 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:38:30,112 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] [2020-11-06 21:38:30,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-06 21:38:30,112 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]=== [2020-11-06 21:38:30,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:38:30,113 INFO L82 PathProgramCache]: Analyzing trace with hash -786073867, now seen corresponding path program 1 times [2020-11-06 21:38:30,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:38:30,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11448093] [2020-11-06 21:38:30,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:38:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:30,837 WARN L194 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:38:30,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:38:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:30,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:38:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:30,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:38:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:30,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:38:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:30,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:38:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:30,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:38:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:30,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:38:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:30,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 21:38:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:30,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:38:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:31,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:38:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:31,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:38:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:31,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-11-06 21:38:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:31,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-06 21:38:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:38:31,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11448093] [2020-11-06 21:38:31,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:38:31,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-06 21:38:31,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028845047] [2020-11-06 21:38:31,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 21:38:31,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:38:31,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 21:38:31,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-11-06 21:38:31,064 INFO L87 Difference]: Start difference. First operand 294 states and 338 transitions. Second operand 12 states. [2020-11-06 21:38:32,335 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:38:33,107 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:38:33,871 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:38:35,338 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:38:36,140 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:38:36,914 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:38:38,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:38:38,868 INFO L93 Difference]: Finished difference Result 675 states and 865 transitions. [2020-11-06 21:38:38,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-06 21:38:38,869 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-11-06 21:38:38,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:38:38,874 INFO L225 Difference]: With dead ends: 675 [2020-11-06 21:38:38,874 INFO L226 Difference]: Without dead ends: 409 [2020-11-06 21:38:38,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-11-06 21:38:38,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-11-06 21:38:38,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 302. [2020-11-06 21:38:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-11-06 21:38:38,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 346 transitions. [2020-11-06 21:38:38,976 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 346 transitions. Word has length 84 [2020-11-06 21:38:38,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:38:38,976 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 346 transitions. [2020-11-06 21:38:38,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 21:38:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 346 transitions. [2020-11-06 21:38:38,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-06 21:38:38,978 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:38:38,978 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] [2020-11-06 21:38:38,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-06 21:38:38,979 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]=== [2020-11-06 21:38:38,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:38:38,979 INFO L82 PathProgramCache]: Analyzing trace with hash 239418132, now seen corresponding path program 1 times [2020-11-06 21:38:38,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:38:38,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653351789] [2020-11-06 21:38:38,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:38:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,744 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:38:39,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:38:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:38:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:38:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:38:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:38:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:38:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-11-06 21:38:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 21:38:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:38:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:38:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:38:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-11-06 21:38:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-06 21:38:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:38:39,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653351789] [2020-11-06 21:38:39,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:38:39,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-06 21:38:39,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144416010] [2020-11-06 21:38:39,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 21:38:39,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:38:39,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 21:38:39,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-06 21:38:39,949 INFO L87 Difference]: Start difference. First operand 302 states and 346 transitions. Second operand 8 states. [2020-11-06 21:38:41,011 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:38:42,414 WARN L194 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:38:46,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:38:46,647 INFO L93 Difference]: Finished difference Result 975 states and 1285 transitions. [2020-11-06 21:38:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-06 21:38:46,648 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-11-06 21:38:46,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:38:46,655 INFO L225 Difference]: With dead ends: 975 [2020-11-06 21:38:46,655 INFO L226 Difference]: Without dead ends: 701 [2020-11-06 21:38:46,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2020-11-06 21:38:46,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2020-11-06 21:38:46,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 568. [2020-11-06 21:38:46,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2020-11-06 21:38:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 674 transitions. [2020-11-06 21:38:46,809 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 674 transitions. Word has length 84 [2020-11-06 21:38:46,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:38:46,809 INFO L481 AbstractCegarLoop]: Abstraction has 568 states and 674 transitions. [2020-11-06 21:38:46,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 21:38:46,809 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 674 transitions. [2020-11-06 21:38:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-06 21:38:46,811 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:38:46,811 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] [2020-11-06 21:38:46,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-06 21:38:46,812 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]=== [2020-11-06 21:38:46,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:38:46,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1112237074, now seen corresponding path program 1 times [2020-11-06 21:38:46,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:38:46,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805999372] [2020-11-06 21:38:46,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:38:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,584 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:38:47,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:38:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:38:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:38:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:38:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:38:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:38:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:38:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:38:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-11-06 21:38:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:38:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:38:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:38:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-11-06 21:38:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-06 21:38:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:38:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:38:47,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805999372] [2020-11-06 21:38:47,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:38:47,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-06 21:38:47,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509964422] [2020-11-06 21:38:47,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 21:38:47,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:38:47,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 21:38:47,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 21:38:47,736 INFO L87 Difference]: Start difference. First operand 568 states and 674 transitions. Second operand 8 states. [2020-11-06 21:38:48,699 WARN L194 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:38:52,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:38:52,768 INFO L93 Difference]: Finished difference Result 1116 states and 1457 transitions. [2020-11-06 21:38:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-06 21:38:52,769 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-11-06 21:38:52,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:38:52,777 INFO L225 Difference]: With dead ends: 1116 [2020-11-06 21:38:52,777 INFO L226 Difference]: Without dead ends: 1112 [2020-11-06 21:38:52,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2020-11-06 21:38:52,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2020-11-06 21:38:53,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 920. [2020-11-06 21:38:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-11-06 21:38:53,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1099 transitions. [2020-11-06 21:38:53,028 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1099 transitions. Word has length 88 [2020-11-06 21:38:53,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:38:53,028 INFO L481 AbstractCegarLoop]: Abstraction has 920 states and 1099 transitions. [2020-11-06 21:38:53,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 21:38:53,029 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1099 transitions. [2020-11-06 21:38:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-11-06 21:38:53,035 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:38:53,038 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:38:53,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-06 21:38:53,038 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:38:53,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:38:53,039 INFO L82 PathProgramCache]: Analyzing trace with hash 501628581, now seen corresponding path program 1 times [2020-11-06 21:38:53,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:38:53,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382026656] [2020-11-06 21:38:53,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:38:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:38:53,157 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:38:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:38:53,230 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:38:53,413 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-06 21:38:53,413 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 21:38:53,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-06 21:38:53,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:38:53 BoogieIcfgContainer [2020-11-06 21:38:53,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:38:53,675 INFO L168 Benchmark]: Toolchain (without parser) took 69682.52 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 132.1 MB in the beginning and 125.3 MB in the end (delta: 6.7 MB). Peak memory consumption was 73.4 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:53,676 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:38:53,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.37 ms. Allocated memory is still 151.0 MB. Free memory was 131.6 MB in the beginning and 127.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:53,684 INFO L168 Benchmark]: Boogie Preprocessor took 128.18 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 123.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:53,685 INFO L168 Benchmark]: RCFGBuilder took 1560.60 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 95.6 MB in the end (delta: 28.0 MB). Peak memory consumption was 54.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:53,686 INFO L168 Benchmark]: TraceAbstraction took 67300.54 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 95.1 MB in the beginning and 125.3 MB in the end (delta: -30.2 MB). Peak memory consumption was 36.4 MB. Max. memory is 8.0 GB. [2020-11-06 21:38:53,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 679.37 ms. Allocated memory is still 151.0 MB. Free memory was 131.6 MB in the beginning and 127.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 128.18 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 123.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1560.60 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 95.6 MB in the end (delta: 28.0 MB). Peak memory consumption was 54.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 67300.54 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 95.1 MB in the beginning and 125.3 MB in the end (delta: -30.2 MB). Peak memory consumption was 36.4 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: [L87] int waterLevel = 1; [L88] int methaneLevelCritical = 0; [L181] int cleanupTimeShifts = 4; [L294] int pumpRunning = 0; [L295] int systemActive = 1; [L681] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L878] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=177, \old(head)=165, \old(head)=183, \old(methAndRunningLastTime)=171, \old(methaneLevelCritical)=146, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L259] int retValue_acc ; [L260] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L264] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L265] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L266] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L266] tmp = valid_product() [L268] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L270] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L271] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L252] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L883] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L252] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L448] int splverifierCounter ; [L449] int tmp ; [L450] int tmp___0 ; [L451] int tmp___1 ; [L452] int tmp___2 ; [L455] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L457] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L459] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L465] tmp = __VERIFIER_nondet_int() [L467] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L469] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L105] COND TRUE waterLevel < 2 [L106] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L469] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L475] tmp___0 = __VERIFIER_nondet_int() [L477] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=-1, waterLevel=2] [L479] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L117] COND FALSE !(\read(methaneLevelCritical)) [L120] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L479] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=-1, waterLevel=2] [L485] tmp___2 = __VERIFIER_nondet_int() [L487] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=-1, tmp___2=1, waterLevel=2] [L500] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L302] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L309] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L311] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L331] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L334] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L336] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L428] int retValue_acc ; [L429] int tmp ; [L430] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L434] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L167] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L170] COND FALSE !(waterLevel < 2) [L174] retValue_acc = 0 [L175] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L434] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L434] tmp = isHighWaterSensorDry() [L436] COND FALSE !(\read(tmp)) [L439] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L441] retValue_acc = tmp___0 [L442] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L336] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L336] tmp = isHighWaterLevel() [L338] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L340] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L359] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L340] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L311] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L317] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L888] int tmp ; [L889] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L893] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L126] int retValue_acc ; [L129] retValue_acc = methaneLevelCritical [L130] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L893] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L893] tmp = isMethaneLevelCritical() [L895] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L897] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L383] int retValue_acc ; [L386] retValue_acc = pumpRunning [L387] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L897] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L897] tmp___0 = isPumpRunning() [L899] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L900] COND FALSE !(\read(methAndRunningLastTime)) [L905] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L317] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L500] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=-1, tmp___2=1, waterLevel=2] [L457] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=-1, tmp___2=1, waterLevel=2] [L459] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=-1, tmp___2=1, waterLevel=2] [L465] tmp = __VERIFIER_nondet_int() [L467] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-1, tmp___2=1, waterLevel=2] [L475] tmp___0 = __VERIFIER_nondet_int() [L477] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L485] tmp___2 = __VERIFIER_nondet_int() [L487] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L500] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L302] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L304] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L93] COND TRUE waterLevel > 0 [L94] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L304] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L309] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L311] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L331] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L334] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L349] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L311] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L317] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L888] int tmp ; [L889] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L893] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L126] int retValue_acc ; [L129] retValue_acc = methaneLevelCritical [L130] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L893] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L893] tmp = isMethaneLevelCritical() [L895] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L897] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L383] int retValue_acc ; [L386] retValue_acc = pumpRunning [L387] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L897] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L897] tmp___0 = isPumpRunning() [L899] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L900] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L902] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L286] CALL reach_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L3] __assert_fail("0", "minepump_spec2_product33.cil.c", 3, "reach_error") VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 232 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 66.9s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 55.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 967 SDtfs, 2353 SDslu, 1135 SDs, 0 SdLazy, 4749 SolverSat, 1516 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 413 GetRequests, 259 SyntacticMatches, 3 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 31.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=920occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 844 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 859 NumberOfCodeBlocks, 859 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 719 ConstructedInterpolants, 0 QuantifiedInterpolants, 239847 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...