/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 19:59:01,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 19:59:01,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 19:59:01,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 19:59:01,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 19:59:01,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 19:59:01,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 19:59:01,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 19:59:01,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 19:59:01,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 19:59:01,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 19:59:01,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 19:59:01,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 19:59:01,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 19:59:01,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 19:59:01,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 19:59:01,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 19:59:01,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 19:59:01,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 19:59:01,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 19:59:01,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 19:59:01,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 19:59:01,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 19:59:01,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 19:59:01,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 19:59:01,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 19:59:01,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 19:59:01,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 19:59:01,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 19:59:01,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 19:59:01,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 19:59:01,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 19:59:01,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 19:59:01,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 19:59:01,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 19:59:01,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 19:59:01,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 19:59:01,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 19:59:01,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 19:59:01,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 19:59:01,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 19:59:01,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 19:59:01,457 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 19:59:01,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 19:59:01,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 19:59:01,459 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 19:59:01,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 19:59:01,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 19:59:01,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 19:59:01,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 19:59:01,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 19:59:01,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 19:59:01,461 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 19:59:01,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 19:59:01,462 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 19:59:01,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 19:59:01,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 19:59:01,463 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 19:59:01,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 19:59:01,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 19:59:01,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 19:59:01,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 19:59:01,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 19:59:01,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 19:59:01,464 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 19:59:01,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 19:59:01,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 19:59:01,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 19:59:01,853 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 19:59:01,854 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 19:59:01,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2020-10-23 19:59:01,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5863b8045/a5c4d6c13c324cd6b9b880db19fc764a/FLAG66d11ba0b [2020-10-23 19:59:02,680 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 19:59:02,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2020-10-23 19:59:02,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5863b8045/a5c4d6c13c324cd6b9b880db19fc764a/FLAG66d11ba0b [2020-10-23 19:59:02,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5863b8045/a5c4d6c13c324cd6b9b880db19fc764a [2020-10-23 19:59:02,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 19:59:02,966 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 19:59:02,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 19:59:02,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 19:59:02,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 19:59:02,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 07:59:02" (1/1) ... [2020-10-23 19:59:02,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ddbf8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:59:02, skipping insertion in model container [2020-10-23 19:59:02,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 07:59:02" (1/1) ... [2020-10-23 19:59:02,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 19:59:03,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 19:59:03,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 19:59:03,477 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 19:59:03,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 19:59:03,619 INFO L208 MainTranslator]: Completed translation [2020-10-23 19:59:03,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:59:03 WrapperNode [2020-10-23 19:59:03,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 19:59:03,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 19:59:03,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 19:59:03,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 19:59:03,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:59:03" (1/1) ... [2020-10-23 19:59:03,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:59:03" (1/1) ... [2020-10-23 19:59:03,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:59:03" (1/1) ... [2020-10-23 19:59:03,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:59:03" (1/1) ... [2020-10-23 19:59:03,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:59:03" (1/1) ... [2020-10-23 19:59:03,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:59:03" (1/1) ... [2020-10-23 19:59:03,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:59:03" (1/1) ... [2020-10-23 19:59:03,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 19:59:03,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 19:59:03,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 19:59:03,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 19:59:03,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:59:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 19:59:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 19:59:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 19:59:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 19:59:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 19:59:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 19:59:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 19:59:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 19:59:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 19:59:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 19:59:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 19:59:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 19:59:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 19:59:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 19:59:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 19:59:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 19:59:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 19:59:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 19:59:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 19:59:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 19:59:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 19:59:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 19:59:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 19:59:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 19:59:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 19:59:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 19:59:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 19:59:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 19:59:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 19:59:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 19:59:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 19:59:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-23 19:59:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 19:59:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 19:59:03,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 19:59:03,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 19:59:03,907 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 19:59:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 19:59:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 19:59:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 19:59:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 19:59:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 19:59:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 19:59:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 19:59:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 19:59:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 19:59:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 19:59:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 19:59:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 19:59:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 19:59:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 19:59:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 19:59:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 19:59:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 19:59:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 19:59:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 19:59:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 19:59:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 19:59:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 19:59:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 19:59:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 19:59:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 19:59:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 19:59:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 19:59:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 19:59:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 19:59:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 19:59:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 19:59:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 19:59:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 19:59:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 19:59:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 19:59:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 19:59:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 19:59:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 19:59:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 19:59:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 19:59:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 19:59:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-23 19:59:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 19:59:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 19:59:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 19:59:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 19:59:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 19:59:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 19:59:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 19:59:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 19:59:05,188 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 19:59:05,189 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 19:59:05,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 07:59:05 BoogieIcfgContainer [2020-10-23 19:59:05,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 19:59:05,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 19:59:05,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 19:59:05,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 19:59:05,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 07:59:02" (1/3) ... [2020-10-23 19:59:05,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33fd4e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 07:59:05, skipping insertion in model container [2020-10-23 19:59:05,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:59:03" (2/3) ... [2020-10-23 19:59:05,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33fd4e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 07:59:05, skipping insertion in model container [2020-10-23 19:59:05,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 07:59:05" (3/3) ... [2020-10-23 19:59:05,200 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2020-10-23 19:59:05,211 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 19:59:05,217 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 19:59:05,230 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 19:59:05,254 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 19:59:05,254 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 19:59:05,254 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 19:59:05,254 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 19:59:05,255 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 19:59:05,255 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 19:59:05,255 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 19:59:05,255 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 19:59:05,276 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states. [2020-10-23 19:59:05,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-23 19:59:05,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:59:05,296 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 19:59:05,297 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 19:59:05,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:59:05,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1211742906, now seen corresponding path program 1 times [2020-10-23 19:59:05,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:59:05,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789577545] [2020-10-23 19:59:05,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:59:05,392 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:59:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:06,180 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:59:06,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:59:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:06,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:59:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:06,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:59:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:06,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:59:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:06,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:59:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:06,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 19:59:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:06,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 19:59:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:06,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 19:59:06,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789577545] [2020-10-23 19:59:06,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:59:06,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 19:59:06,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036263033] [2020-10-23 19:59:06,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 19:59:06,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:59:06,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 19:59:06,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 19:59:06,383 INFO L87 Difference]: Start difference. First operand 278 states. Second operand 3 states. [2020-10-23 19:59:07,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:59:07,889 INFO L93 Difference]: Finished difference Result 411 states and 490 transitions. [2020-10-23 19:59:07,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 19:59:07,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-23 19:59:07,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:59:07,921 INFO L225 Difference]: With dead ends: 411 [2020-10-23 19:59:07,921 INFO L226 Difference]: Without dead ends: 263 [2020-10-23 19:59:07,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 19:59:07,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-10-23 19:59:08,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 224. [2020-10-23 19:59:08,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-23 19:59:08,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 240 transitions. [2020-10-23 19:59:08,157 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 240 transitions. Word has length 148 [2020-10-23 19:59:08,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:59:08,161 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 240 transitions. [2020-10-23 19:59:08,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 19:59:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 240 transitions. [2020-10-23 19:59:08,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-23 19:59:08,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:59:08,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 19:59:08,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 19:59:08,174 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 19:59:08,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:59:08,176 INFO L82 PathProgramCache]: Analyzing trace with hash 837784341, now seen corresponding path program 1 times [2020-10-23 19:59:08,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:59:08,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673834041] [2020-10-23 19:59:08,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:59:08,193 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:59:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:08,921 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:59:08,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:59:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:08,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:59:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:08,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:59:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:08,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:59:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:08,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:59:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:08,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 19:59:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:08,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 19:59:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 19:59:09,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673834041] [2020-10-23 19:59:09,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:59:09,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 19:59:09,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708219143] [2020-10-23 19:59:09,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 19:59:09,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:59:09,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 19:59:09,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 19:59:09,014 INFO L87 Difference]: Start difference. First operand 224 states and 240 transitions. Second operand 4 states. [2020-10-23 19:59:09,944 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 19:59:10,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:59:10,849 INFO L93 Difference]: Finished difference Result 325 states and 361 transitions. [2020-10-23 19:59:10,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 19:59:10,851 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-23 19:59:10,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:59:10,856 INFO L225 Difference]: With dead ends: 325 [2020-10-23 19:59:10,860 INFO L226 Difference]: Without dead ends: 246 [2020-10-23 19:59:10,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 19:59:10,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-23 19:59:10,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 214. [2020-10-23 19:59:10,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-23 19:59:10,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 227 transitions. [2020-10-23 19:59:10,967 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 227 transitions. Word has length 149 [2020-10-23 19:59:10,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:59:10,969 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 227 transitions. [2020-10-23 19:59:10,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 19:59:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 227 transitions. [2020-10-23 19:59:10,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-23 19:59:10,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:59:10,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 19:59:10,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 19:59:10,973 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 19:59:10,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:59:10,973 INFO L82 PathProgramCache]: Analyzing trace with hash 342392239, now seen corresponding path program 1 times [2020-10-23 19:59:10,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:59:10,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327970915] [2020-10-23 19:59:10,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:59:10,978 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:59:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:11,480 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:59:11,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:59:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:11,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:59:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:11,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:59:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:11,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:59:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:11,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:59:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:11,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 19:59:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:11,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-23 19:59:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 19:59:11,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327970915] [2020-10-23 19:59:11,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:59:11,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 19:59:11,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177069901] [2020-10-23 19:59:11,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 19:59:11,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:59:11,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 19:59:11,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 19:59:11,670 INFO L87 Difference]: Start difference. First operand 214 states and 227 transitions. Second operand 9 states. [2020-10-23 19:59:12,463 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:59:12,947 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 19:59:13,356 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 19:59:13,752 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:59:14,155 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:59:14,519 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:59:15,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:59:15,903 INFO L93 Difference]: Finished difference Result 345 states and 386 transitions. [2020-10-23 19:59:15,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 19:59:15,903 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-10-23 19:59:15,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:59:15,907 INFO L225 Difference]: With dead ends: 345 [2020-10-23 19:59:15,907 INFO L226 Difference]: Without dead ends: 246 [2020-10-23 19:59:15,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-23 19:59:15,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-23 19:59:15,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 214. [2020-10-23 19:59:15,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-23 19:59:15,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 226 transitions. [2020-10-23 19:59:15,993 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 226 transitions. Word has length 158 [2020-10-23 19:59:15,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:59:15,994 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 226 transitions. [2020-10-23 19:59:15,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 19:59:15,994 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 226 transitions. [2020-10-23 19:59:15,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-23 19:59:15,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:59:15,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 19:59:15,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 19:59:15,997 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 19:59:15,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:59:15,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1866170296, now seen corresponding path program 1 times [2020-10-23 19:59:15,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:59:15,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200584908] [2020-10-23 19:59:15,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:59:16,001 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:59:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:16,442 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:59:16,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:59:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:16,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:59:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:16,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:59:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:16,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:59:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:16,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:59:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:16,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 19:59:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:16,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 19:59:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:16,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-23 19:59:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:16,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 19:59:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 19:59:16,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200584908] [2020-10-23 19:59:16,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:59:16,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-23 19:59:16,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043003389] [2020-10-23 19:59:16,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 19:59:16,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:59:16,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 19:59:16,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-23 19:59:16,674 INFO L87 Difference]: Start difference. First operand 214 states and 226 transitions. Second operand 14 states. [2020-10-23 19:59:17,416 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:59:17,905 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 19:59:18,303 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 19:59:18,662 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:59:19,048 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:59:19,474 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:59:20,324 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 19:59:21,602 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:59:22,033 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:59:22,538 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:59:23,002 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 19:59:23,402 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:59:23,821 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 19:59:24,239 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 19:59:24,630 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:59:25,010 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:59:25,450 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:59:25,987 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 19:59:26,385 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:59:26,835 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:59:28,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:59:28,214 INFO L93 Difference]: Finished difference Result 588 states and 706 transitions. [2020-10-23 19:59:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-23 19:59:28,215 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 166 [2020-10-23 19:59:28,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:59:28,222 INFO L225 Difference]: With dead ends: 588 [2020-10-23 19:59:28,222 INFO L226 Difference]: Without dead ends: 489 [2020-10-23 19:59:28,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-10-23 19:59:28,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2020-10-23 19:59:28,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 386. [2020-10-23 19:59:28,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-10-23 19:59:28,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 424 transitions. [2020-10-23 19:59:28,413 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 424 transitions. Word has length 166 [2020-10-23 19:59:28,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:59:28,413 INFO L481 AbstractCegarLoop]: Abstraction has 386 states and 424 transitions. [2020-10-23 19:59:28,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 19:59:28,414 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 424 transitions. [2020-10-23 19:59:28,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-23 19:59:28,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:59:28,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 19:59:28,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 19:59:28,418 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 19:59:28,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:59:28,418 INFO L82 PathProgramCache]: Analyzing trace with hash 354024458, now seen corresponding path program 1 times [2020-10-23 19:59:28,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:59:28,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428608171] [2020-10-23 19:59:28,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:59:28,422 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:59:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:28,795 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:59:28,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:59:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:28,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:59:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:28,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:59:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:28,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:59:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:28,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:59:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:28,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-23 19:59:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:28,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 19:59:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:28,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-23 19:59:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:28,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 19:59:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:28,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 19:59:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:28,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-23 19:59:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:59:28,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 19:59:28,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428608171] [2020-10-23 19:59:28,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:59:28,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 19:59:28,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200281605] [2020-10-23 19:59:28,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 19:59:28,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:59:28,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 19:59:28,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 19:59:28,941 INFO L87 Difference]: Start difference. First operand 386 states and 424 transitions. Second operand 6 states. [2020-10-23 19:59:29,587 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:59:30,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:59:30,391 INFO L93 Difference]: Finished difference Result 589 states and 669 transitions. [2020-10-23 19:59:30,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 19:59:30,394 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2020-10-23 19:59:30,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:59:30,397 INFO L225 Difference]: With dead ends: 589 [2020-10-23 19:59:30,397 INFO L226 Difference]: Without dead ends: 318 [2020-10-23 19:59:30,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-23 19:59:30,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-10-23 19:59:30,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 297. [2020-10-23 19:59:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-23 19:59:30,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 314 transitions. [2020-10-23 19:59:30,524 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 314 transitions. Word has length 176 [2020-10-23 19:59:30,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:59:30,525 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 314 transitions. [2020-10-23 19:59:30,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 19:59:30,525 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 314 transitions. [2020-10-23 19:59:30,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-23 19:59:30,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:59:30,529 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 19:59:30,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 19:59:30,529 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 19:59:30,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:59:30,530 INFO L82 PathProgramCache]: Analyzing trace with hash -2033338198, now seen corresponding path program 1 times [2020-10-23 19:59:30,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:59:30,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646915570] [2020-10-23 19:59:30,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:59:30,694 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 19:59:30,947 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 19:59:31,135 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 19:59:31,328 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 19:59:31,545 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 19:59:31,776 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 19:59:32,003 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 19:59:32,213 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 19:59:32,428 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 19:59:32,648 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 19:59:32,862 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 19:59:33,086 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 19:59:33,314 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 19:59:33,529 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 19:59:34,787 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 19:59:34,822 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:37,365 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 19:59:37,373 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:39,980 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 19:59:39,991 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:42,473 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 19:59:42,479 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:45,008 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 19:59:45,014 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:46,331 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 19:59:46,336 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:48,793 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 19:59:48,798 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:51,280 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 19:59:51,285 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:53,908 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 19:59:53,912 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:54,973 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 19:59:54,977 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 19:59:57,449 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 19:59:57,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:00,052 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:00:00,057 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:02,526 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:00:02,529 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:04,994 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:00:04,999 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:07,526 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:00:07,531 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:10,017 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:00:10,022 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:10,026 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:00:12,622 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:00:12,627 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:15,063 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:00:15,068 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:17,608 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:00:17,612 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:20,095 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:00:20,100 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:22,581 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:00:22,586 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:25,116 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:00:25,120 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:27,603 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:00:27,608 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:30,066 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:00:30,069 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:32,550 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:00:32,555 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:34,099 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:00:34,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:36,597 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:00:36,602 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:39,068 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:00:39,072 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:41,567 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:00:41,572 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:43,402 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:00:43,405 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:45,916 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:00:48,441 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2020-10-23 20:00:48,445 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:00:48,448 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:00:48,754 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:49,096 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:49,424 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:00:49,755 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:00:50,081 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:50,381 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:50,675 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:00:50,980 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:51,300 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:51,618 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:00:51,924 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:52,217 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:52,519 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:52,863 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:00:53,198 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:00:53,532 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:53,534 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:00:53,830 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:00:54,154 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:00:54,489 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:00:54,816 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:00:55,162 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:55,486 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:00:55,814 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:00:56,134 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:56,444 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:00:56,792 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:57,130 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:00:57,464 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:00:57,771 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:00:58,079 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:58,403 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:58,746 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:00:58,749 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:00:59,082 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:00:59,409 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:00:59,734 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:01:00,052 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:01:00,375 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:01:00,709 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:01:01,042 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:01:01,375 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:01:01,752 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:01:02,098 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:01:02,425 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:01:02,737 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:01:03,066 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:01:03,402 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:01:03,733 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:01:04,068 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:01:04,070 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:01:04,401 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:04,731 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:05,070 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:05,399 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:05,736 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:06,078 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:06,420 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:06,757 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:07,099 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:07,432 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:07,758 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:08,101 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:08,461 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:08,809 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:09,167 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:09,521 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:01:09,524 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:01:11,993 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:01:14,568 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:01:14,572 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:16,037 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:01:16,040 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:18,620 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:01:18,625 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:21,165 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:01:21,168 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:23,740 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:01:23,745 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:26,338 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:01:26,341 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:28,682 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:01:28,685 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:31,203 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:01:31,207 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:33,791 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:01:33,796 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:36,414 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:01:39,008 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:01:39,011 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:41,582 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:01:41,587 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:43,397 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:01:43,401 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:46,008 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:01:46,012 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:48,595 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:01:48,599 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:48,602 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:01:51,152 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:01:51,156 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:53,668 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:01:56,191 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:01:56,194 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:01:58,250 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:02:00,783 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:02:00,786 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:03,350 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:02:03,353 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:05,957 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:02:05,960 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:08,558 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:02:11,051 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:02:11,055 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:13,639 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:02:13,643 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:16,158 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:02:18,720 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:02:18,723 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:21,222 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 155 [2020-10-23 20:02:21,226 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:23,738 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 155 [2020-10-23 20:02:23,741 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:26,277 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:02:26,281 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:28,070 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:02:28,073 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:28,076 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:02:30,639 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:02:32,704 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:02:32,706 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:34,679 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:02:34,682 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:37,167 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:02:37,171 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:39,664 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:02:39,666 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:42,138 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:02:42,141 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:44,647 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:02:44,651 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:47,263 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:02:47,266 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:49,407 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:02:51,899 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:02:51,902 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:54,450 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:02:54,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:02:57,001 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:02:59,522 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:03:01,594 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:03:04,148 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:03:04,153 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:06,418 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:03:06,421 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:06,424 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:08,602 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:03:08,606 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:11,175 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:03:11,178 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:13,736 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:03:13,738 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:16,250 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:03:16,253 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:18,775 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:03:18,778 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:21,388 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:03:21,391 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:23,934 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:03:23,937 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:26,504 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:03:26,507 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:29,066 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:03:31,661 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 155 [2020-10-23 20:03:31,664 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:34,257 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:03:36,802 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:03:36,804 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:39,380 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 155 [2020-10-23 20:03:39,390 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:42,001 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:03:42,005 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:44,618 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:03:44,621 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:47,232 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:03:47,237 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:47,590 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:47,964 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:48,327 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:48,689 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:49,054 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:49,431 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:49,788 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:50,135 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:50,507 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:50,870 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:51,250 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:51,626 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:51,992 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:52,341 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:52,697 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:53,063 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:03:53,065 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:55,704 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:03:55,706 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:58,317 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:03:58,321 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:01,005 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:01,009 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:03,629 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:06,266 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:06,270 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:08,933 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:08,937 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:11,633 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:14,343 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:14,347 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:16,975 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:19,673 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:19,676 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:22,442 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:22,446 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:25,094 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:25,098 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:27,820 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:27,823 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:30,498 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:33,238 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:33,241 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:35,910 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:35,913 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:35,916 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:04:36,285 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:36,616 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:36,949 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:37,281 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:37,620 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:37,964 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:38,292 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:38,626 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:39,025 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:39,421 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:39,819 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:40,215 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:40,611 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:40,981 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:41,351 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:41,748 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:04:41,751 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:04:44,504 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:47,256 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:47,259 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:49,931 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:49,935 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:52,715 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:52,718 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:55,483 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:55,486 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:58,203 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:58,206 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:00,943 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:05:00,946 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:03,616 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:03,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:06,349 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:05:06,352 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:09,033 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:09,037 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:11,760 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:05:11,764 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:14,373 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:14,377 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:17,030 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:17,033 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:19,686 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:19,689 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:22,376 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:22,380 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:25,175 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:25,179 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:25,183 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:05:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:05:26,389 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:05:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:05:27,642 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:05:27,969 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 20:05:27,969 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 20:05:27,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 20:05:28,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:05:28 BoogieIcfgContainer [2020-10-23 20:05:28,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:05:28,025 INFO L168 Benchmark]: Toolchain (without parser) took 385065.38 ms. Allocated memory was 151.0 MB in the beginning and 402.7 MB in the end (delta: 251.7 MB). Free memory was 126.4 MB in the beginning and 349.2 MB in the end (delta: -222.8 MB). Peak memory consumption was 252.7 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:28,026 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 151.0 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:05:28,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.68 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 106.0 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:28,026 INFO L168 Benchmark]: Boogie Preprocessor took 159.72 ms. Allocated memory is still 151.0 MB. Free memory was 106.0 MB in the beginning and 132.9 MB in the end (delta: -26.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:28,028 INFO L168 Benchmark]: RCFGBuilder took 1409.94 ms. Allocated memory is still 151.0 MB. Free memory was 132.9 MB in the beginning and 93.3 MB in the end (delta: 39.6 MB). Peak memory consumption was 63.2 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:28,028 INFO L168 Benchmark]: TraceAbstraction took 382831.27 ms. Allocated memory was 151.0 MB in the beginning and 402.7 MB in the end (delta: 251.7 MB). Free memory was 92.7 MB in the beginning and 349.2 MB in the end (delta: -256.5 MB). Peak memory consumption was 217.5 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:28,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 151.0 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 648.68 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 106.0 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 159.72 ms. Allocated memory is still 151.0 MB. Free memory was 106.0 MB in the beginning and 132.9 MB in the end (delta: -26.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1409.94 ms. Allocated memory is still 151.0 MB. Free memory was 132.9 MB in the beginning and 93.3 MB in the end (delta: 39.6 MB). Peak memory consumption was 63.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 382831.27 ms. Allocated memory was 151.0 MB in the beginning and 402.7 MB in the end (delta: 251.7 MB). Free memory was 92.7 MB in the beginning and 349.2 MB in the end (delta: -256.5 MB). Peak memory consumption was 217.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L297] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L494] int cleanupTimeShifts = 4; [L664] int pumpRunning = 0; [L665] int systemActive = 1; [L573] int retValue_acc ; [L574] int tmp ; [L578] FCALL select_helpers() [L579] FCALL select_features() [L580] CALL, EXPR valid_product() [L860] int retValue_acc ; [L863] retValue_acc = 1 [L864] return (retValue_acc); [L580] RET, EXPR valid_product() [L580] tmp = valid_product() [L582] COND TRUE \read(tmp) [L584] FCALL setup() [L585] CALL runTest() [L564] CALL test() [L597] int splverifierCounter ; [L598] int tmp ; [L599] int tmp___0 ; [L600] int tmp___1 ; [L601] int tmp___2 ; [L604] splverifierCounter = 0 [L606] COND TRUE 1 [L608] COND TRUE splverifierCounter < 4 [L614] tmp = __VERIFIER_nondet_int() [L616] COND TRUE \read(tmp) [L618] CALL waterRise() [L66] COND TRUE waterLevel < 2 [L67] waterLevel = waterLevel + 1 [L618] RET waterRise() [L624] tmp___0 = __VERIFIER_nondet_int() [L626] COND FALSE !(\read(tmp___0)) [L634] tmp___2 = __VERIFIER_nondet_int() [L636] COND TRUE \read(tmp___2) [L649] CALL timeShift() [L672] COND FALSE !(\read(pumpRunning)) [L679] COND TRUE \read(systemActive) [L681] CALL processEnvironment() [L701] int tmp ; [L704] COND FALSE !(\read(pumpRunning)) [L719] FCALL processEnvironment__wrappee__base() [L681] RET processEnvironment() [L687] CALL __utac_acc__Specification4_spec__1() [L800] int tmp ; [L801] int tmp___0 ; [L805] CALL, EXPR getWaterLevel() [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L805] RET, EXPR getWaterLevel() [L805] tmp = getWaterLevel() [L807] COND FALSE !(tmp == 0) [L687] RET __utac_acc__Specification4_spec__1() [L649] RET timeShift() [L606] COND TRUE 1 [L608] COND TRUE splverifierCounter < 4 [L614] tmp = __VERIFIER_nondet_int() [L616] COND TRUE \read(tmp) [L618] CALL waterRise() [L66] COND TRUE waterLevel < 2 [L67] waterLevel = waterLevel + 1 [L618] RET waterRise() [L624] tmp___0 = __VERIFIER_nondet_int() [L626] COND FALSE !(\read(tmp___0)) [L634] tmp___2 = __VERIFIER_nondet_int() [L636] COND TRUE \read(tmp___2) [L649] CALL timeShift() [L672] COND FALSE !(\read(pumpRunning)) [L679] COND TRUE \read(systemActive) [L681] CALL processEnvironment() [L701] int tmp ; [L704] COND FALSE !(\read(pumpRunning)) [L719] FCALL processEnvironment__wrappee__base() [L681] RET processEnvironment() [L687] CALL __utac_acc__Specification4_spec__1() [L800] int tmp ; [L801] int tmp___0 ; [L805] CALL, EXPR getWaterLevel() [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L805] RET, EXPR getWaterLevel() [L805] tmp = getWaterLevel() [L807] COND TRUE tmp == 0 [L809] CALL, EXPR isPumpRunning() [L753] int retValue_acc ; [L756] retValue_acc = pumpRunning [L757] return (retValue_acc); [L809] RET, EXPR isPumpRunning() [L809] tmp___0 = isPumpRunning() [L811] COND TRUE \read(tmp___0) [L813] CALL __automaton_fail() [L829] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product05.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 597 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 382.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 980 SDtfs, 1468 SDslu, 1766 SDs, 0 SdLazy, 3133 SolverSat, 460 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 227 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...