/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_spec3_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:31:29,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:31:29,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:31:29,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:31:29,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:31:29,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:31:29,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:31:29,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:31:29,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:31:29,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:31:29,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:31:29,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:31:29,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:31:29,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:31:29,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:31:29,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:31:29,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:31:29,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:31:29,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:31:29,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:31:29,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:31:29,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:31:29,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:31:29,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:31:29,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 12:31:29,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 12:31:29,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 12:31:29,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 12:31:29,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 12:31:29,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 12:31:29,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:31:29,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:31:29,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:31:29,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:31:29,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:31:29,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:31:29,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:31:29,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:31:29,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:31:29,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:31:29,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:31:29,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 12:31:29,507 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:31:29,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:31:29,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:31:29,510 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:31:29,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:31:29,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:31:29,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:31:29,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:31:29,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:31:29,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:31:29,512 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:31:29,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:31:29,512 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:31:29,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:31:29,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:31:29,513 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:31:29,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:31:29,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:31:29,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:31:29,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:31:29,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:31:29,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:31:29,515 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:31:29,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:31:29,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:31:29,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:31:29,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:31:29,816 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:31:29,817 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product03.cil.c [2020-07-07 12:31:29,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90a786867/d3a6f3aad5b94823991722d417612056/FLAG59fd3d784 [2020-07-07 12:31:30,403 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:31:30,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product03.cil.c [2020-07-07 12:31:30,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90a786867/d3a6f3aad5b94823991722d417612056/FLAG59fd3d784 [2020-07-07 12:31:30,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90a786867/d3a6f3aad5b94823991722d417612056 [2020-07-07 12:31:30,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:31:30,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:31:30,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:31:30,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:31:30,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:31:30,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:31:30" (1/1) ... [2020-07-07 12:31:30,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60986292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:31:30, skipping insertion in model container [2020-07-07 12:31:30,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:31:30" (1/1) ... [2020-07-07 12:31:30,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:31:30,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:31:31,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:31:31,255 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:31:31,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:31:31,360 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:31:31,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:31:31 WrapperNode [2020-07-07 12:31:31,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:31:31,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:31:31,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:31:31,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:31:31,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:31:31" (1/1) ... [2020-07-07 12:31:31,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:31:31" (1/1) ... [2020-07-07 12:31:31,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:31:31" (1/1) ... [2020-07-07 12:31:31,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:31:31" (1/1) ... [2020-07-07 12:31:31,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:31:31" (1/1) ... [2020-07-07 12:31:31,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:31:31" (1/1) ... [2020-07-07 12:31:31,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:31:31" (1/1) ... [2020-07-07 12:31:31,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:31:31,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:31:31,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:31:31,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:31:31,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:31:31" (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 [2020-07-07 12:31:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:31:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:31:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 12:31:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 12:31:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 12:31:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 12:31:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 12:31:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 12:31:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 12:31:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 12:31:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 12:31:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 12:31:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 12:31:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 12:31:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 12:31:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 12:31:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 12:31:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 12:31:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 12:31:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 12:31:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 12:31:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 12:31:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 12:31:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 12:31:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 12:31:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 12:31:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 12:31:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 12:31:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:31:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 12:31:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 12:31:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 12:31:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 12:31:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 12:31:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 12:31:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:31:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 12:31:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 12:31:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 12:31:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 12:31:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 12:31:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 12:31:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 12:31:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 12:31:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 12:31:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 12:31:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 12:31:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 12:31:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 12:31:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 12:31:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 12:31:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 12:31:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 12:31:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 12:31:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 12:31:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 12:31:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 12:31:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 12:31:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 12:31:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 12:31:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 12:31:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 12:31:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 12:31:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 12:31:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 12:31:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 12:31:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 12:31:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 12:31:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 12:31:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 12:31:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 12:31:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 12:31:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 12:31:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 12:31:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 12:31:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 12:31:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 12:31:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 12:31:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 12:31:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 12:31:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:31:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:31:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 12:31:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:31:32,598 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:31:32,598 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 12:31:32,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:31:32 BoogieIcfgContainer [2020-07-07 12:31:32,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:31:32,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:31:32,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:31:32,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:31:32,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:31:30" (1/3) ... [2020-07-07 12:31:32,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e151637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:31:32, skipping insertion in model container [2020-07-07 12:31:32,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:31:31" (2/3) ... [2020-07-07 12:31:32,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e151637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:31:32, skipping insertion in model container [2020-07-07 12:31:32,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:31:32" (3/3) ... [2020-07-07 12:31:32,617 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product03.cil.c [2020-07-07 12:31:32,627 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:31:32,636 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:31:32,650 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:31:32,671 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:31:32,671 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:31:32,671 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:31:32,672 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:31:32,672 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:31:32,672 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:31:32,672 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:31:32,673 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:31:32,691 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states. [2020-07-07 12:31:32,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-07 12:31:32,710 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:31:32,712 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] [2020-07-07 12:31:32,712 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:31:32,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:31:32,719 INFO L82 PathProgramCache]: Analyzing trace with hash -995917748, now seen corresponding path program 1 times [2020-07-07 12:31:32,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:31:32,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633199433] [2020-07-07 12:31:32,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:31:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:33,403 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:31:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:33,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:31:33,563 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:31:33,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633199433] [2020-07-07 12:31:33,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:31:33,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 12:31:33,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785845033] [2020-07-07 12:31:33,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 12:31:33,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:31:33,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 12:31:33,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 12:31:33,594 INFO L87 Difference]: Start difference. First operand 267 states. Second operand 3 states. [2020-07-07 12:31:34,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:31:34,705 INFO L93 Difference]: Finished difference Result 385 states and 461 transitions. [2020-07-07 12:31:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 12:31:34,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-07 12:31:34,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:31:34,723 INFO L225 Difference]: With dead ends: 385 [2020-07-07 12:31:34,723 INFO L226 Difference]: Without dead ends: 249 [2020-07-07 12:31:34,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 12:31:34,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-07-07 12:31:34,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 210. [2020-07-07 12:31:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-07-07 12:31:34,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 225 transitions. [2020-07-07 12:31:34,860 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 225 transitions. Word has length 153 [2020-07-07 12:31:34,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:31:34,861 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 225 transitions. [2020-07-07 12:31:34,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 12:31:34,861 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 225 transitions. [2020-07-07 12:31:34,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-07 12:31:34,866 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:31:34,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:31:34,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:31:34,867 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:31:34,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:31:34,867 INFO L82 PathProgramCache]: Analyzing trace with hash -580992356, now seen corresponding path program 1 times [2020-07-07 12:31:34,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:31:34,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061155300] [2020-07-07 12:31:34,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:31:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:35,223 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:31:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:35,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:31:35,298 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:31:35,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061155300] [2020-07-07 12:31:35,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:31:35,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 12:31:35,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802282228] [2020-07-07 12:31:35,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 12:31:35,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:31:35,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 12:31:35,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:31:35,302 INFO L87 Difference]: Start difference. First operand 210 states and 225 transitions. Second operand 4 states. [2020-07-07 12:31:35,931 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:31:36,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:31:36,542 INFO L93 Difference]: Finished difference Result 293 states and 326 transitions. [2020-07-07 12:31:36,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 12:31:36,543 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-07-07 12:31:36,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:31:36,546 INFO L225 Difference]: With dead ends: 293 [2020-07-07 12:31:36,547 INFO L226 Difference]: Without dead ends: 232 [2020-07-07 12:31:36,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 12:31:36,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-07-07 12:31:36,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 200. [2020-07-07 12:31:36,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-07-07 12:31:36,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 212 transitions. [2020-07-07 12:31:36,629 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 212 transitions. Word has length 154 [2020-07-07 12:31:36,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:31:36,630 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 212 transitions. [2020-07-07 12:31:36,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 12:31:36,630 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 212 transitions. [2020-07-07 12:31:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-07 12:31:36,633 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:31:36,633 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] [2020-07-07 12:31:36,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 12:31:36,634 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:31:36,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:31:36,634 INFO L82 PathProgramCache]: Analyzing trace with hash 229202311, now seen corresponding path program 1 times [2020-07-07 12:31:36,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:31:36,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534030285] [2020-07-07 12:31:36,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:31:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:37,021 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:31:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:37,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:31:37,190 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:31:37,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534030285] [2020-07-07 12:31:37,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:31:37,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 12:31:37,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176165346] [2020-07-07 12:31:37,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 12:31:37,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:31:37,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 12:31:37,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-07 12:31:37,195 INFO L87 Difference]: Start difference. First operand 200 states and 212 transitions. Second operand 9 states. [2020-07-07 12:31:37,725 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:31:38,059 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:31:38,314 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:31:38,581 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:31:38,834 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:31:39,072 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:31:40,007 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:31:41,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:31:41,314 INFO L93 Difference]: Finished difference Result 514 states and 587 transitions. [2020-07-07 12:31:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 12:31:41,316 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-07-07 12:31:41,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:31:41,322 INFO L225 Difference]: With dead ends: 514 [2020-07-07 12:31:41,323 INFO L226 Difference]: Without dead ends: 424 [2020-07-07 12:31:41,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-07-07 12:31:41,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-07-07 12:31:41,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 353. [2020-07-07 12:31:41,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-07-07 12:31:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 388 transitions. [2020-07-07 12:31:41,459 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 388 transitions. Word has length 163 [2020-07-07 12:31:41,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:31:41,460 INFO L479 AbstractCegarLoop]: Abstraction has 353 states and 388 transitions. [2020-07-07 12:31:41,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 12:31:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 388 transitions. [2020-07-07 12:31:41,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-07 12:31:41,463 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:31:41,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:31:41,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 12:31:41,464 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:31:41,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:31:41,464 INFO L82 PathProgramCache]: Analyzing trace with hash -63137044, now seen corresponding path program 1 times [2020-07-07 12:31:41,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:31:41,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745905164] [2020-07-07 12:31:41,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:31:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:41,821 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:31:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:31:42,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:31:42,031 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:31:42,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745905164] [2020-07-07 12:31:42,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:31:42,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 12:31:42,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826077100] [2020-07-07 12:31:42,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 12:31:42,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:31:42,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 12:31:42,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-07 12:31:42,037 INFO L87 Difference]: Start difference. First operand 353 states and 388 transitions. Second operand 8 states. [2020-07-07 12:31:42,764 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:31:44,071 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:31:44,341 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:31:44,601 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:31:44,874 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:31:45,115 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:31:45,349 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:31:45,580 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:31:45,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:31:45,990 INFO L93 Difference]: Finished difference Result 850 states and 994 transitions. [2020-07-07 12:31:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 12:31:45,990 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2020-07-07 12:31:45,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:31:45,995 INFO L225 Difference]: With dead ends: 850 [2020-07-07 12:31:45,995 INFO L226 Difference]: Without dead ends: 607 [2020-07-07 12:31:45,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-07-07 12:31:45,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-07-07 12:31:46,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 571. [2020-07-07 12:31:46,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-07-07 12:31:46,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 647 transitions. [2020-07-07 12:31:46,144 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 647 transitions. Word has length 166 [2020-07-07 12:31:46,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:31:46,145 INFO L479 AbstractCegarLoop]: Abstraction has 571 states and 647 transitions. [2020-07-07 12:31:46,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 12:31:46,145 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 647 transitions. [2020-07-07 12:31:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-07 12:31:46,148 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:31:46,148 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] [2020-07-07 12:31:46,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 12:31:46,149 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:31:46,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:31:46,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1257129521, now seen corresponding path program 1 times [2020-07-07 12:31:46,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:31:46,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2076348500] [2020-07-07 12:31:46,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:31:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:31:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:31:46,407 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:31:46,407 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 12:31:46,407 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 12:31:46,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 12:31:46,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 12:31:46 BoogieIcfgContainer [2020-07-07 12:31:46,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 12:31:46,434 INFO L168 Benchmark]: Toolchain (without parser) took 15725.76 ms. Allocated memory was 136.8 MB in the beginning and 542.1 MB in the end (delta: 405.3 MB). Free memory was 101.0 MB in the beginning and 272.0 MB in the end (delta: -171.1 MB). Peak memory consumption was 234.2 MB. Max. memory is 7.1 GB. [2020-07-07 12:31:46,435 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 12:31:46,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.70 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.8 MB in the beginning and 172.0 MB in the end (delta: -71.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2020-07-07 12:31:46,437 INFO L168 Benchmark]: Boogie Preprocessor took 84.67 ms. Allocated memory is still 201.3 MB. Free memory was 172.0 MB in the beginning and 168.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-07-07 12:31:46,438 INFO L168 Benchmark]: RCFGBuilder took 1158.32 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 167.7 MB in the beginning and 182.4 MB in the end (delta: -14.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2020-07-07 12:31:46,439 INFO L168 Benchmark]: TraceAbstraction took 13822.67 ms. Allocated memory was 231.7 MB in the beginning and 542.1 MB in the end (delta: 310.4 MB). Free memory was 182.4 MB in the beginning and 272.0 MB in the end (delta: -89.6 MB). Peak memory consumption was 220.8 MB. Max. memory is 7.1 GB. [2020-07-07 12:31:46,442 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.70 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.8 MB in the beginning and 172.0 MB in the end (delta: -71.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.67 ms. Allocated memory is still 201.3 MB. Free memory was 172.0 MB in the beginning and 168.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1158.32 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 167.7 MB in the beginning and 182.4 MB in the end (delta: -14.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13822.67 ms. Allocated memory was 231.7 MB in the beginning and 542.1 MB in the end (delta: 310.4 MB). Free memory was 182.4 MB in the beginning and 272.0 MB in the end (delta: -89.6 MB). Peak memory consumption was 220.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 650]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L119] int pumpRunning = 0; [L120] int systemActive = 1; [L411] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L690] int cleanupTimeShifts = 4; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; [L763] int retValue_acc ; [L764] int tmp ; [L768] FCALL select_helpers() [L769] FCALL select_features() [L770] CALL, EXPR valid_product() [L637] int retValue_acc ; [L640] retValue_acc = 1 [L641] return (retValue_acc); [L770] RET, EXPR valid_product() [L770] tmp = valid_product() [L772] COND TRUE \read(tmp) [L774] FCALL setup() [L775] CALL runTest() [L757] CALL test() [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) [L67] CALL waterRise() [L804] COND TRUE waterLevel < 2 [L805] waterLevel = waterLevel + 1 [L67] RET waterRise() [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L100] CALL timeShift() [L127] COND FALSE !(\read(pumpRunning)) [L134] COND TRUE \read(systemActive) [L136] FCALL processEnvironment() [L142] CALL __utac_acc__Specification3_spec__1() [L657] int tmp ; [L658] int tmp___0 ; [L659] int tmp___1 ; [L663] CALL, EXPR isMethaneLevelCritical() [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] return (retValue_acc); [L663] RET, EXPR isMethaneLevelCritical() [L663] tmp = isMethaneLevelCritical() [L665] COND FALSE !(\read(tmp)) [L669] CALL, EXPR getWaterLevel() [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); [L669] RET, EXPR getWaterLevel() [L669] tmp___0 = getWaterLevel() [L671] COND TRUE tmp___0 == 2 [L673] CALL, EXPR isPumpRunning() [L182] int retValue_acc ; [L185] retValue_acc = pumpRunning [L186] return (retValue_acc); [L673] RET, EXPR isPumpRunning() [L673] tmp___1 = isPumpRunning() [L675] COND FALSE !(\read(tmp___1)) [L679] CALL __automaton_fail() [L650] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 584 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 779 SDtfs, 858 SDslu, 1182 SDs, 0 SdLazy, 2102 SolverSat, 284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=571occurred 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: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 178 StatesRemovedByMinimization, 4 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! Received shutdown request...