/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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:02:14,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:02:14,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:02:14,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:02:14,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:02:14,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:02:14,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:02:14,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:02:14,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:02:14,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:02:14,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:02:14,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:02:14,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:02:14,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:02:14,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:02:14,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:02:14,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:02:14,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:02:14,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:02:14,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:02:14,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:02:14,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:02:14,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:02:14,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:02:14,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 20:02:14,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 20:02:14,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 20:02:14,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 20:02:14,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 20:02:14,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 20:02:14,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 20:02:14,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 20:02:14,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 20:02:14,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 20:02:14,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 20:02:14,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 20:02:14,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 20:02:14,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 20:02:14,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:02:14,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:02:14,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:02:14,564 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 20:02:14,594 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:02:14,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:02:14,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:02:14,598 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:02:14,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:02:14,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:02:14,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:02:14,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:02:14,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:02:14,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:02:14,607 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:02:14,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:02:14,608 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:02:14,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:02:14,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:02:14,609 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:02:14,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:02:14,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:02:14,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:02:14,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:02:14,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:02:14,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:02:14,611 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:02:15,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:02:15,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:02:15,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:02:15,099 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:02:15,100 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:02:15,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-10-23 20:02:15,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b3ac438/4385aeffde75483eb994a2dc596cc400/FLAGb08cc62b7 [2020-10-23 20:02:16,112 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:02:16,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-10-23 20:02:16,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b3ac438/4385aeffde75483eb994a2dc596cc400/FLAGb08cc62b7 [2020-10-23 20:02:16,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b3ac438/4385aeffde75483eb994a2dc596cc400 [2020-10-23 20:02:16,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:02:16,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:02:16,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:02:16,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:02:16,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:02:16,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:02:16" (1/1) ... [2020-10-23 20:02:16,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78503465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:16, skipping insertion in model container [2020-10-23 20:02:16,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:02:16" (1/1) ... [2020-10-23 20:02:16,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:02:16,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:02:17,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:02:17,084 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:02:17,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:02:17,290 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:02:17,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:17 WrapperNode [2020-10-23 20:02:17,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:02:17,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:02:17,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:02:17,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:02:17,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:17" (1/1) ... [2020-10-23 20:02:17,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:17" (1/1) ... [2020-10-23 20:02:17,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:17" (1/1) ... [2020-10-23 20:02:17,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:17" (1/1) ... [2020-10-23 20:02:17,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:17" (1/1) ... [2020-10-23 20:02:17,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:17" (1/1) ... [2020-10-23 20:02:17,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:17" (1/1) ... [2020-10-23 20:02:17,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:02:17,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:02:17,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:02:17,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:02:17,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:17" (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 20:02:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:02:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:02:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 20:02:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:02:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 20:02:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 20:02:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 20:02:17,531 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 20:02:17,531 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 20:02:17,531 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 20:02:17,531 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 20:02:17,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 20:02:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 20:02:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 20:02:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 20:02:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 20:02:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 20:02:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 20:02:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 20:02:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 20:02:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 20:02:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 20:02:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 20:02:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 20:02:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-23 20:02:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 20:02:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 20:02:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 20:02:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 20:02:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 20:02:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-23 20:02:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 20:02:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 20:02:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 20:02:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 20:02:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 20:02:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:02:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:02:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:02:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:02:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:02:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:02:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 20:02:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 20:02:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 20:02:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 20:02:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 20:02:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 20:02:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 20:02:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 20:02:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 20:02:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 20:02:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 20:02:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 20:02:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 20:02:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 20:02:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 20:02:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 20:02:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 20:02:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:02:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 20:02:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 20:02:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:02:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 20:02:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 20:02:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:02:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 20:02:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 20:02:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 20:02:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-23 20:02:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 20:02:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 20:02:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 20:02:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 20:02:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 20:02:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 20:02:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 20:02:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:02:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 20:02:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 20:02:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 20:02:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-23 20:02:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 20:02:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 20:02:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 20:02:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 20:02:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:02:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:02:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:02:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:02:19,128 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:02:19,128 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 20:02:19,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:02:19 BoogieIcfgContainer [2020-10-23 20:02:19,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:02:19,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:02:19,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:02:19,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:02:19,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:02:16" (1/3) ... [2020-10-23 20:02:19,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea3449d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:02:19, skipping insertion in model container [2020-10-23 20:02:19,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:02:17" (2/3) ... [2020-10-23 20:02:19,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea3449d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:02:19, skipping insertion in model container [2020-10-23 20:02:19,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:02:19" (3/3) ... [2020-10-23 20:02:19,147 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2020-10-23 20:02:19,162 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:02:19,170 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 20:02:19,189 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 20:02:19,221 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:02:19,221 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:02:19,221 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:02:19,222 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:02:19,222 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:02:19,222 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:02:19,222 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:02:19,222 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:02:19,250 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-23 20:02:19,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-23 20:02:19,274 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:02:19,275 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 20:02:19,276 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 20:02:19,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:02:19,285 INFO L82 PathProgramCache]: Analyzing trace with hash -490833794, now seen corresponding path program 1 times [2020-10-23 20:02:19,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:02:19,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985403625] [2020-10-23 20:02:19,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:02:19,406 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:02:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:20,319 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:02:20,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:02:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:20,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:02:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:20,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:02:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:20,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:02:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:20,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:02:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:20,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 20:02:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:20,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 20:02:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:20,601 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 20:02:20,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985403625] [2020-10-23 20:02:20,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:02:20,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 20:02:20,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555272864] [2020-10-23 20:02:20,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 20:02:20,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:02:20,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 20:02:20,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 20:02:20,659 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2020-10-23 20:02:22,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:02:22,438 INFO L93 Difference]: Finished difference Result 420 states and 500 transitions. [2020-10-23 20:02:22,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 20:02:22,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-23 20:02:22,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:02:22,461 INFO L225 Difference]: With dead ends: 420 [2020-10-23 20:02:22,462 INFO L226 Difference]: Without dead ends: 268 [2020-10-23 20:02:22,469 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 20:02:22,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-10-23 20:02:22,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 228. [2020-10-23 20:02:22,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-10-23 20:02:22,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 244 transitions. [2020-10-23 20:02:22,667 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 244 transitions. Word has length 148 [2020-10-23 20:02:22,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:02:22,668 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 244 transitions. [2020-10-23 20:02:22,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 20:02:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 244 transitions. [2020-10-23 20:02:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-23 20:02:22,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:02:22,675 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 20:02:22,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:02:22,676 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 20:02:22,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:02:22,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1856400468, now seen corresponding path program 1 times [2020-10-23 20:02:22,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:02:22,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644220062] [2020-10-23 20:02:22,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:02:22,686 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:02:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:23,374 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:02:23,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:02:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:23,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:02:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:23,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:02:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:23,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:02:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:23,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:02:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:23,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 20:02:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:23,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 20:02:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:23,486 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 20:02:23,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644220062] [2020-10-23 20:02:23,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:02:23,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 20:02:23,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44567037] [2020-10-23 20:02:23,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 20:02:23,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:02:23,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 20:02:23,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 20:02:23,490 INFO L87 Difference]: Start difference. First operand 228 states and 244 transitions. Second operand 4 states. [2020-10-23 20:02:24,497 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:02:25,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:02:25,581 INFO L93 Difference]: Finished difference Result 330 states and 367 transitions. [2020-10-23 20:02:25,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 20:02:25,582 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-23 20:02:25,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:02:25,587 INFO L225 Difference]: With dead ends: 330 [2020-10-23 20:02:25,587 INFO L226 Difference]: Without dead ends: 251 [2020-10-23 20:02:25,589 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 20:02:25,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-23 20:02:25,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 218. [2020-10-23 20:02:25,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-23 20:02:25,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 231 transitions. [2020-10-23 20:02:25,684 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 231 transitions. Word has length 149 [2020-10-23 20:02:25,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:02:25,685 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 231 transitions. [2020-10-23 20:02:25,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 20:02:25,685 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 231 transitions. [2020-10-23 20:02:25,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-23 20:02:25,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:02:25,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:02:25,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 20:02:25,690 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 20:02:25,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:02:25,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1426746294, now seen corresponding path program 1 times [2020-10-23 20:02:25,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:02:25,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983213613] [2020-10-23 20:02:25,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:02:25,696 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:02:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:26,431 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:02:26,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:02:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:26,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:02:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:26,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:02:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:26,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:02:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:26,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:02:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:26,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-23 20:02:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:26,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 20:02:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:26,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-23 20:02:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:26,680 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 20:02:26,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983213613] [2020-10-23 20:02:26,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:02:26,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 20:02:26,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129430388] [2020-10-23 20:02:26,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 20:02:26,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:02:26,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 20:02:26,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 20:02:26,692 INFO L87 Difference]: Start difference. First operand 218 states and 231 transitions. Second operand 10 states. [2020-10-23 20:02:27,512 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:02:28,028 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:02:28,476 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 20:02:28,885 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:29,321 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:29,738 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:31,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:02:31,745 INFO L93 Difference]: Finished difference Result 376 states and 429 transitions. [2020-10-23 20:02:31,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 20:02:31,748 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-10-23 20:02:31,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:02:31,756 INFO L225 Difference]: With dead ends: 376 [2020-10-23 20:02:31,757 INFO L226 Difference]: Without dead ends: 273 [2020-10-23 20:02:31,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-23 20:02:31,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-10-23 20:02:31,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 218. [2020-10-23 20:02:31,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-23 20:02:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 230 transitions. [2020-10-23 20:02:31,896 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 230 transitions. Word has length 162 [2020-10-23 20:02:31,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:02:31,897 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 230 transitions. [2020-10-23 20:02:31,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 20:02:31,897 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 230 transitions. [2020-10-23 20:02:31,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-23 20:02:31,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:02:31,901 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] [2020-10-23 20:02:31,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 20:02:31,902 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 20:02:31,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:02:31,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1943528443, now seen corresponding path program 1 times [2020-10-23 20:02:31,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:02:31,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1987303980] [2020-10-23 20:02:31,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:02:31,908 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:02:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:32,426 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:02:32,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:02:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:32,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:02:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:32,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:02:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:32,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:02:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:32,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:02:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:32,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-23 20:02:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:32,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 20:02:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:32,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:02:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:32,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-23 20:02:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:32,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-23 20:02:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:32,759 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 20:02:32,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1987303980] [2020-10-23 20:02:32,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:02:32,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-23 20:02:32,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439011421] [2020-10-23 20:02:32,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-23 20:02:32,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:02:32,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-23 20:02:32,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-10-23 20:02:32,765 INFO L87 Difference]: Start difference. First operand 218 states and 230 transitions. Second operand 15 states. [2020-10-23 20:02:33,774 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:02:34,395 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:02:34,813 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:02:35,310 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:35,750 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:36,179 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:37,142 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:02:38,730 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:39,198 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:39,728 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:40,229 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:02:40,651 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:02:41,074 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:02:41,495 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:02:41,897 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:42,306 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:42,798 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:43,394 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:02:43,876 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:02:44,412 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:02:46,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:02:46,988 INFO L93 Difference]: Finished difference Result 740 states and 936 transitions. [2020-10-23 20:02:46,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-23 20:02:46,994 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 170 [2020-10-23 20:02:46,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:02:47,002 INFO L225 Difference]: With dead ends: 740 [2020-10-23 20:02:47,002 INFO L226 Difference]: Without dead ends: 637 [2020-10-23 20:02:47,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2020-10-23 20:02:47,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-10-23 20:02:47,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 398. [2020-10-23 20:02:47,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-10-23 20:02:47,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 436 transitions. [2020-10-23 20:02:47,251 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 436 transitions. Word has length 170 [2020-10-23 20:02:47,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:02:47,252 INFO L481 AbstractCegarLoop]: Abstraction has 398 states and 436 transitions. [2020-10-23 20:02:47,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-23 20:02:47,252 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 436 transitions. [2020-10-23 20:02:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-23 20:02:47,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:02:47,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:02:47,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 20:02:47,256 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 20:02:47,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:02:47,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1802140977, now seen corresponding path program 1 times [2020-10-23 20:02:47,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:02:47,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1591670863] [2020-10-23 20:02:47,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:02:47,261 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:02:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:47,678 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:02:47,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:02:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:47,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:02:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:47,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:02:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:47,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:02:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:47,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:02:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:47,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-23 20:02:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:47,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 20:02:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:47,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-23 20:02:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:47,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 20:02:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:47,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:02:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:47,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-23 20:02:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:47,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-23 20:02:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:02:47,919 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 20:02:47,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1591670863] [2020-10-23 20:02:47,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:02:47,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 20:02:47,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794121361] [2020-10-23 20:02:47,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 20:02:47,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:02:47,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 20:02:47,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 20:02:47,923 INFO L87 Difference]: Start difference. First operand 398 states and 436 transitions. Second operand 7 states. [2020-10-23 20:02:48,801 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:02:50,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:02:50,035 INFO L93 Difference]: Finished difference Result 679 states and 790 transitions. [2020-10-23 20:02:50,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 20:02:50,043 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 180 [2020-10-23 20:02:50,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:02:50,046 INFO L225 Difference]: With dead ends: 679 [2020-10-23 20:02:50,047 INFO L226 Difference]: Without dead ends: 396 [2020-10-23 20:02:50,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2020-10-23 20:02:50,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2020-10-23 20:02:50,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 309. [2020-10-23 20:02:50,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-10-23 20:02:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 326 transitions. [2020-10-23 20:02:50,180 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 326 transitions. Word has length 180 [2020-10-23 20:02:50,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:02:50,180 INFO L481 AbstractCegarLoop]: Abstraction has 309 states and 326 transitions. [2020-10-23 20:02:50,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 20:02:50,181 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 326 transitions. [2020-10-23 20:02:50,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-23 20:02:50,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:02:50,185 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:02:50,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 20:02:50,186 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 20:02:50,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:02:50,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1133523246, now seen corresponding path program 1 times [2020-10-23 20:02:50,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:02:50,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881942785] [2020-10-23 20:02:50,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:02:50,362 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-23 20:02:50,661 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-23 20:02:50,954 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-23 20:02:51,231 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-10-23 20:02:51,496 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2020-10-23 20:02:51,728 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-23 20:02:51,954 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-10-23 20:02:52,203 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-23 20:02:52,435 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-10-23 20:02:52,682 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2020-10-23 20:02:52,921 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-10-23 20:02:53,164 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-10-23 20:02:53,418 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2020-10-23 20:02:53,666 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-10-23 20:02:54,073 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:02:54,392 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2020-10-23 20:02:54,700 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:02:55,012 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:02:55,334 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2020-10-23 20:02:55,643 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2020-10-23 20:02:55,950 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:02:56,279 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:02:56,282 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:02:56,606 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:02:56,898 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:02:57,219 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:02:57,521 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:02:57,834 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2020-10-23 20:02:58,141 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2020-10-23 20:02:58,452 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:02:58,759 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2020-10-23 20:02:58,762 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:02:59,078 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2020-10-23 20:02:59,362 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2020-10-23 20:02:59,656 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:02:59,982 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:03:00,290 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2020-10-23 20:03:00,600 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:03:00,908 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:03:01,235 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-23 20:03:01,237 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:01,524 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:03:01,832 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:03:02,146 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:03:02,471 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:03:02,796 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:03:03,121 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:03:03,439 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:03:03,748 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:03:03,751 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:04,974 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2020-10-23 20:03:05,001 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:07,638 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 152 [2020-10-23 20:03:10,254 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 152 [2020-10-23 20:03:11,470 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2020-10-23 20:03:11,484 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:14,110 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2020-10-23 20:03:16,611 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 152 [2020-10-23 20:03:16,616 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:17,855 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2020-10-23 20:03:20,389 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 152 [2020-10-23 20:03:20,395 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:20,400 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:22,876 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 147 [2020-10-23 20:03:25,411 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 146 [2020-10-23 20:03:25,423 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:27,950 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 147 [2020-10-23 20:03:27,956 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:30,441 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 147 [2020-10-23 20:03:30,446 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:31,940 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 149 [2020-10-23 20:03:31,946 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:34,455 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 149 [2020-10-23 20:03:34,460 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:36,997 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 148 [2020-10-23 20:03:37,006 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:38,749 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 149 [2020-10-23 20:03:38,754 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:38,759 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:41,276 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 151 [2020-10-23 20:03:42,462 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-23 20:03:42,472 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:45,004 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 151 [2020-10-23 20:03:45,009 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:46,259 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-23 20:03:46,263 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:47,634 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-23 20:03:47,639 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:50,032 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 151 [2020-10-23 20:03:50,036 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:52,450 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 151 [2020-10-23 20:03:52,453 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:55,030 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-23 20:03:55,035 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:55,039 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:57,590 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 151 [2020-10-23 20:03:57,597 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:00,135 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 149 [2020-10-23 20:04:00,140 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:02,707 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 148 [2020-10-23 20:04:05,265 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 150 [2020-10-23 20:04:05,270 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:07,813 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 149 [2020-10-23 20:04:07,818 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:10,388 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 151 [2020-10-23 20:04:10,392 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:13,050 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 151 [2020-10-23 20:04:13,055 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:15,662 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 149 [2020-10-23 20:04:15,671 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:04:16,041 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:04:16,412 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:04:16,740 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:04:17,069 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:04:17,430 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:04:17,825 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:04:18,189 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:04:18,575 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:04:18,581 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:04:21,276 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:04:21,281 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:23,203 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:04:23,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:25,000 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:04:27,514 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:04:27,518 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:30,083 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:04:30,086 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:32,668 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:04:32,672 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:34,537 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:04:34,541 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:36,192 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:04:36,195 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:36,199 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:04:36,508 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:04:36,806 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:04:37,106 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:04:37,436 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-10-23 20:04:37,736 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-10-23 20:04:38,035 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-10-23 20:04:38,339 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2020-10-23 20:04:38,641 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-10-23 20:04:38,644 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:04:41,147 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-23 20:04:41,151 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:43,794 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2020-10-23 20:04:43,798 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:45,910 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2020-10-23 20:04:45,916 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:48,528 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2020-10-23 20:04:48,532 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:51,176 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-23 20:04:51,179 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:53,294 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2020-10-23 20:04:53,297 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:55,866 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-23 20:04:55,870 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:58,512 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-23 20:04:58,520 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:05:01,126 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2020-10-23 20:05:01,130 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:03,693 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2020-10-23 20:05:06,312 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:05:06,315 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:08,709 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:05:08,713 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:11,343 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:05:11,346 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:14,021 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:05:14,028 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:16,661 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2020-10-23 20:05:19,327 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2020-10-23 20:05:19,331 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:19,334 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:05:21,980 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-23 20:05:21,983 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:24,658 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-23 20:05:24,661 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:27,106 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2020-10-23 20:05:27,109 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:29,736 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2020-10-23 20:05:32,343 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2020-10-23 20:05:32,347 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:34,893 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-23 20:05:34,896 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:37,412 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-23 20:05:39,952 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2020-10-23 20:05:39,955 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:39,959 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:05:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:05:40,676 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:05:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:05:40,880 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:05:41,063 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 20:05:41,063 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 20:05:41,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 20:05:41,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:05:41 BoogieIcfgContainer [2020-10-23 20:05:41,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:05:41,092 INFO L168 Benchmark]: Toolchain (without parser) took 204736.33 ms. Allocated memory was 151.0 MB in the beginning and 467.7 MB in the end (delta: 316.7 MB). Free memory was 127.0 MB in the beginning and 362.6 MB in the end (delta: -235.6 MB). Peak memory consumption was 81.5 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:41,093 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:05:41,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 921.45 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 106.0 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:41,094 INFO L168 Benchmark]: Boogie Preprocessor took 140.47 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: -27.0 MB). Peak memory consumption was 7.5 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:41,095 INFO L168 Benchmark]: RCFGBuilder took 1698.88 ms. Allocated memory is still 151.0 MB. Free memory was 132.9 MB in the beginning and 86.0 MB in the end (delta: 47.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:41,095 INFO L168 Benchmark]: TraceAbstraction took 201955.98 ms. Allocated memory was 151.0 MB in the beginning and 467.7 MB in the end (delta: 316.7 MB). Free memory was 85.5 MB in the beginning and 362.6 MB in the end (delta: -277.1 MB). Peak memory consumption was 39.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:05:41,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 921.45 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 106.0 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 140.47 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: -27.0 MB). Peak memory consumption was 7.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1698.88 ms. Allocated memory is still 151.0 MB. Free memory was 132.9 MB in the beginning and 86.0 MB in the end (delta: 47.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 201955.98 ms. Allocated memory was 151.0 MB in the beginning and 467.7 MB in the end (delta: 316.7 MB). Free memory was 85.5 MB in the beginning and 362.6 MB in the end (delta: -277.1 MB). Peak memory consumption was 39.0 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: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L335] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L774] int cleanupTimeShifts = 4; [L847] int retValue_acc ; [L848] int tmp ; [L852] FCALL select_helpers() [L853] FCALL select_features() [L854] CALL, EXPR valid_product() [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L854] RET, EXPR valid_product() [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) [L858] FCALL setup() [L859] CALL runTest() [L841] CALL test() [L536] int splverifierCounter ; [L537] int tmp ; [L538] int tmp___0 ; [L539] int tmp___1 ; [L540] int tmp___2 ; [L543] splverifierCounter = 0 [L545] COND TRUE 1 [L547] COND TRUE splverifierCounter < 4 [L553] tmp = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp) [L557] CALL waterRise() [L104] COND TRUE waterLevel < 2 [L105] waterLevel = waterLevel + 1 [L557] RET waterRise() [L563] tmp___0 = __VERIFIER_nondet_int() [L565] COND FALSE !(\read(tmp___0)) [L573] tmp___2 = __VERIFIER_nondet_int() [L575] COND TRUE \read(tmp___2) [L577] CALL startSystem() [L760] systemActive = 1 [L577] RET startSystem() [L590] CALL timeShift() [L614] COND FALSE !(\read(pumpRunning)) [L621] COND TRUE \read(systemActive) [L623] CALL processEnvironment() [L643] int tmp ; [L646] COND FALSE !(\read(pumpRunning)) [L661] FCALL processEnvironment__wrappee__methaneQuery() [L623] RET processEnvironment() [L629] CALL __utac_acc__Specification4_spec__1() [L871] int tmp ; [L872] int tmp___0 ; [L876] CALL, EXPR getWaterLevel() [L157] int retValue_acc ; [L160] retValue_acc = waterLevel [L161] return (retValue_acc); [L876] RET, EXPR getWaterLevel() [L876] tmp = getWaterLevel() [L878] COND FALSE !(tmp == 0) [L629] RET __utac_acc__Specification4_spec__1() [L590] RET timeShift() [L545] COND TRUE 1 [L547] COND TRUE splverifierCounter < 4 [L553] tmp = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp) [L557] CALL waterRise() [L104] COND TRUE waterLevel < 2 [L105] waterLevel = waterLevel + 1 [L557] RET waterRise() [L563] tmp___0 = __VERIFIER_nondet_int() [L565] COND FALSE !(\read(tmp___0)) [L573] tmp___2 = __VERIFIER_nondet_int() [L575] COND TRUE \read(tmp___2) [L577] CALL startSystem() [L760] systemActive = 1 [L577] RET startSystem() [L590] CALL timeShift() [L614] COND FALSE !(\read(pumpRunning)) [L621] COND TRUE \read(systemActive) [L623] CALL processEnvironment() [L643] int tmp ; [L646] COND FALSE !(\read(pumpRunning)) [L661] FCALL processEnvironment__wrappee__methaneQuery() [L623] RET processEnvironment() [L629] CALL __utac_acc__Specification4_spec__1() [L871] int tmp ; [L872] int tmp___0 ; [L876] CALL, EXPR getWaterLevel() [L157] int retValue_acc ; [L160] retValue_acc = waterLevel [L161] return (retValue_acc); [L876] RET, EXPR getWaterLevel() [L876] tmp = getWaterLevel() [L878] COND TRUE tmp == 0 [L880] CALL, EXPR isPumpRunning() [L712] int retValue_acc ; [L715] retValue_acc = pumpRunning [L716] return (retValue_acc); [L880] RET, EXPR isPumpRunning() [L880] tmp___0 = isPumpRunning() [L882] COND TRUE \read(tmp___0) [L884] CALL __automaton_fail() [L769] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product14.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 610 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 201.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 25.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1008 SDtfs, 2192 SDslu, 1891 SDs, 0 SdLazy, 3621 SolverSat, 742 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 14.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=398occurred 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, 454 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...