/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_spec4_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:38:34,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:38:34,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:38:34,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:38:34,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:38:34,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:38:34,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:38:34,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:38:34,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:38:34,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:38:34,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:38:34,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:38:34,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:38:34,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:38:34,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:38:34,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:38:34,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:38:34,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:38:34,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:38:34,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:38:34,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:38:34,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:38:34,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:38:34,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:38:34,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 12:38:34,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 12:38:34,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 12:38:34,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 12:38:34,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 12:38:34,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 12:38:34,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:38:34,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:38:34,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:38:34,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:38:34,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:38:34,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:38:34,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:38:34,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:38:34,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:38:34,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:38:34,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:38:34,403 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 12:38:34,430 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:38:34,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:38:34,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:38:34,431 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:38:34,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:38:34,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:38:34,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:38:34,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:38:34,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:38:34,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:38:34,436 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:38:34,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:38:34,436 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:38:34,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:38:34,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:38:34,437 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:38:34,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:38:34,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:38:34,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:38:34,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:38:34,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:38:34,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:38:34,438 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:38:34,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:38:34,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:38:34,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:38:34,718 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:38:34,719 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:38:34,720 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product33.cil.c [2020-07-07 12:38:34,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a709644/6835ef65472b480a8d059b1c6989921a/FLAG6d69bd3d8 [2020-07-07 12:38:35,286 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:38:35,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product33.cil.c [2020-07-07 12:38:35,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a709644/6835ef65472b480a8d059b1c6989921a/FLAG6d69bd3d8 [2020-07-07 12:38:35,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a709644/6835ef65472b480a8d059b1c6989921a [2020-07-07 12:38:35,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:38:35,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:38:35,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:38:35,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:38:35,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:38:35,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:38:35" (1/1) ... [2020-07-07 12:38:35,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbc0375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:38:35, skipping insertion in model container [2020-07-07 12:38:35,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:38:35" (1/1) ... [2020-07-07 12:38:35,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:38:35,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:38:35,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:38:35,992 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:38:36,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:38:36,204 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:38:36,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:38:36 WrapperNode [2020-07-07 12:38:36,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:38:36,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:38:36,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:38:36,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:38:36,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:38:36" (1/1) ... [2020-07-07 12:38:36,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:38:36" (1/1) ... [2020-07-07 12:38:36,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:38:36" (1/1) ... [2020-07-07 12:38:36,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:38:36" (1/1) ... [2020-07-07 12:38:36,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:38:36" (1/1) ... [2020-07-07 12:38:36,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:38:36" (1/1) ... [2020-07-07 12:38:36,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:38:36" (1/1) ... [2020-07-07 12:38:36,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:38:36,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:38:36,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:38:36,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:38:36,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:38:36" (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 12:38:36,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:38:36,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:38:36,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 12:38:36,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 12:38:36,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 12:38:36,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 12:38:36,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 12:38:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 12:38:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 12:38:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 12:38:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 12:38:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 12:38:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 12:38:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:38:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 12:38:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 12:38:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 12:38:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 12:38:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 12:38:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 12:38:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 12:38:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 12:38:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 12:38:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 12:38:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 12:38:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 12:38:36,364 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 12:38:36,364 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 12:38:36,364 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 12:38:36,364 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 12:38:36,364 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 12:38:36,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 12:38:36,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 12:38:36,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 12:38:36,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 12:38:36,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 12:38:36,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-07 12:38:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:38:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 12:38:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 12:38:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 12:38:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 12:38:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 12:38:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 12:38:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 12:38:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 12:38:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 12:38:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 12:38:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 12:38:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 12:38:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 12:38:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 12:38:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 12:38:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 12:38:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 12:38:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 12:38:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 12:38:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 12:38:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 12:38:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 12:38:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 12:38:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 12:38:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 12:38:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 12:38:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 12:38:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 12:38:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 12:38:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 12:38:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 12:38:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:38:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 12:38:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 12:38:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 12:38:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 12:38:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 12:38:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 12:38:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 12:38:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 12:38:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 12:38:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-07 12:38:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 12:38:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 12:38:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 12:38:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 12:38:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 12:38:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:38:36,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 12:38:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:38:37,483 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:38:37,483 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 12:38:37,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:38:37 BoogieIcfgContainer [2020-07-07 12:38:37,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:38:37,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:38:37,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:38:37,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:38:37,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:38:35" (1/3) ... [2020-07-07 12:38:37,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9f457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:38:37, skipping insertion in model container [2020-07-07 12:38:37,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:38:36" (2/3) ... [2020-07-07 12:38:37,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9f457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:38:37, skipping insertion in model container [2020-07-07 12:38:37,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:38:37" (3/3) ... [2020-07-07 12:38:37,498 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product33.cil.c [2020-07-07 12:38:37,512 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:38:37,521 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:38:37,536 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:38:37,561 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:38:37,562 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:38:37,562 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:38:37,562 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:38:37,563 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:38:37,563 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:38:37,563 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:38:37,563 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:38:37,585 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states. [2020-07-07 12:38:37,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-07 12:38:37,607 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:38:37,609 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] [2020-07-07 12:38:37,609 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:38:37,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:38:37,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1598852952, now seen corresponding path program 1 times [2020-07-07 12:38:37,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:38:37,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177431292] [2020-07-07 12:38:37,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:38:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:38,364 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:38:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:38,501 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 12:38:38,501 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:38:38,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177431292] [2020-07-07 12:38:38,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:38:38,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 12:38:38,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754430590] [2020-07-07 12:38:38,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 12:38:38,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:38:38,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 12:38:38,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 12:38:38,526 INFO L87 Difference]: Start difference. First operand 278 states. Second operand 3 states. [2020-07-07 12:38:39,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:38:39,857 INFO L93 Difference]: Finished difference Result 419 states and 501 transitions. [2020-07-07 12:38:39,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 12:38:39,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-07 12:38:39,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:38:39,876 INFO L225 Difference]: With dead ends: 419 [2020-07-07 12:38:39,876 INFO L226 Difference]: Without dead ends: 266 [2020-07-07 12:38:39,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 12:38:39,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-07 12:38:39,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 227. [2020-07-07 12:38:39,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-07-07 12:38:40,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 245 transitions. [2020-07-07 12:38:40,002 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 245 transitions. Word has length 142 [2020-07-07 12:38:40,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:38:40,003 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 245 transitions. [2020-07-07 12:38:40,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 12:38:40,003 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 245 transitions. [2020-07-07 12:38:40,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-07 12:38:40,008 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:38:40,008 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] [2020-07-07 12:38:40,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:38:40,009 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:38:40,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:38:40,010 INFO L82 PathProgramCache]: Analyzing trace with hash -469194886, now seen corresponding path program 1 times [2020-07-07 12:38:40,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:38:40,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [88513757] [2020-07-07 12:38:40,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:38:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:40,364 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:38:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:40,470 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 12:38:40,470 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:38:40,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [88513757] [2020-07-07 12:38:40,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:38:40,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 12:38:40,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857681711] [2020-07-07 12:38:40,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 12:38:40,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:38:40,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 12:38:40,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:38:40,475 INFO L87 Difference]: Start difference. First operand 227 states and 245 transitions. Second operand 4 states. [2020-07-07 12:38:41,054 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:38:41,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:38:41,767 INFO L93 Difference]: Finished difference Result 336 states and 376 transitions. [2020-07-07 12:38:41,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 12:38:41,768 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-07-07 12:38:41,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:38:41,772 INFO L225 Difference]: With dead ends: 336 [2020-07-07 12:38:41,772 INFO L226 Difference]: Without dead ends: 249 [2020-07-07 12:38:41,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 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 12:38:41,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-07-07 12:38:41,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 217. [2020-07-07 12:38:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-07 12:38:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 232 transitions. [2020-07-07 12:38:41,850 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 232 transitions. Word has length 143 [2020-07-07 12:38:41,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:38:41,851 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 232 transitions. [2020-07-07 12:38:41,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 12:38:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 232 transitions. [2020-07-07 12:38:41,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-07 12:38:41,854 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:38:41,854 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] [2020-07-07 12:38:41,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 12:38:41,854 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:38:41,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:38:41,855 INFO L82 PathProgramCache]: Analyzing trace with hash 162245926, now seen corresponding path program 1 times [2020-07-07 12:38:41,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:38:41,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094711941] [2020-07-07 12:38:41,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:38:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:42,209 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:38:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:42,354 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 12:38:42,354 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:38:42,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094711941] [2020-07-07 12:38:42,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:38:42,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 12:38:42,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767614848] [2020-07-07 12:38:42,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 12:38:42,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:38:42,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 12:38:42,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-07 12:38:42,357 INFO L87 Difference]: Start difference. First operand 217 states and 232 transitions. Second operand 9 states. [2020-07-07 12:38:42,843 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:38:43,164 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:38:43,409 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:38:43,644 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:38:43,903 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:38:44,131 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:38:45,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:38:45,291 INFO L93 Difference]: Finished difference Result 356 states and 401 transitions. [2020-07-07 12:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 12:38:45,292 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2020-07-07 12:38:45,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:38:45,295 INFO L225 Difference]: With dead ends: 356 [2020-07-07 12:38:45,295 INFO L226 Difference]: Without dead ends: 249 [2020-07-07 12:38:45,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-07-07 12:38:45,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-07-07 12:38:45,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 217. [2020-07-07 12:38:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-07 12:38:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 231 transitions. [2020-07-07 12:38:45,358 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 231 transitions. Word has length 152 [2020-07-07 12:38:45,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:38:45,359 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 231 transitions. [2020-07-07 12:38:45,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 12:38:45,359 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 231 transitions. [2020-07-07 12:38:45,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-07 12:38:45,361 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:38:45,361 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] [2020-07-07 12:38:45,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 12:38:45,362 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:38:45,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:38:45,362 INFO L82 PathProgramCache]: Analyzing trace with hash 705113863, now seen corresponding path program 1 times [2020-07-07 12:38:45,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:38:45,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [533107471] [2020-07-07 12:38:45,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:38:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:45,691 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:38:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:45,852 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 12:38:45,853 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:38:45,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [533107471] [2020-07-07 12:38:45,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:38:45,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 12:38:45,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614956510] [2020-07-07 12:38:45,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 12:38:45,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:38:45,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 12:38:45,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 12:38:45,856 INFO L87 Difference]: Start difference. First operand 217 states and 231 transitions. Second operand 6 states. [2020-07-07 12:38:46,403 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:38:47,684 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:38:48,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:38:48,157 INFO L93 Difference]: Finished difference Result 478 states and 544 transitions. [2020-07-07 12:38:48,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 12:38:48,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-07-07 12:38:48,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:38:48,161 INFO L225 Difference]: With dead ends: 478 [2020-07-07 12:38:48,161 INFO L226 Difference]: Without dead ends: 371 [2020-07-07 12:38:48,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-07 12:38:48,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-07-07 12:38:48,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 312. [2020-07-07 12:38:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-07-07 12:38:48,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 336 transitions. [2020-07-07 12:38:48,271 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 336 transitions. Word has length 160 [2020-07-07 12:38:48,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:38:48,272 INFO L479 AbstractCegarLoop]: Abstraction has 312 states and 336 transitions. [2020-07-07 12:38:48,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 12:38:48,272 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 336 transitions. [2020-07-07 12:38:48,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-07-07 12:38:48,274 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:38:48,275 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:38:48,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 12:38:48,275 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:38:48,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:38:48,276 INFO L82 PathProgramCache]: Analyzing trace with hash 392099313, now seen corresponding path program 1 times [2020-07-07 12:38:48,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:38:48,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1699227321] [2020-07-07 12:38:48,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:38:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:48,699 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:38:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:38:49,061 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:38:49,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1699227321] [2020-07-07 12:38:49,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:38:49,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 12:38:49,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745842451] [2020-07-07 12:38:49,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 12:38:49,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:38:49,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 12:38:49,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-07 12:38:49,068 INFO L87 Difference]: Start difference. First operand 312 states and 336 transitions. Second operand 14 states. [2020-07-07 12:38:49,740 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:38:50,115 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:38:50,380 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:38:50,622 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:38:50,879 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:38:51,104 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:38:51,703 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:38:52,768 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:38:53,006 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:38:53,260 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:38:53,495 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:38:53,726 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:38:53,974 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:38:54,200 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:38:54,450 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:38:54,713 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:38:54,962 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:38:55,866 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:38:56,099 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:38:56,403 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:38:57,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:38:57,122 INFO L93 Difference]: Finished difference Result 916 states and 1098 transitions. [2020-07-07 12:38:57,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-07 12:38:57,122 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 184 [2020-07-07 12:38:57,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:38:57,128 INFO L225 Difference]: With dead ends: 916 [2020-07-07 12:38:57,128 INFO L226 Difference]: Without dead ends: 714 [2020-07-07 12:38:57,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-07-07 12:38:57,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2020-07-07 12:38:57,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 617. [2020-07-07 12:38:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-07-07 12:38:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 687 transitions. [2020-07-07 12:38:57,375 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 687 transitions. Word has length 184 [2020-07-07 12:38:57,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:38:57,376 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 687 transitions. [2020-07-07 12:38:57,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 12:38:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 687 transitions. [2020-07-07 12:38:57,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-07-07 12:38:57,380 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:38:57,381 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:38:57,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 12:38:57,381 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:38:57,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:38:57,382 INFO L82 PathProgramCache]: Analyzing trace with hash -45879308, now seen corresponding path program 1 times [2020-07-07 12:38:57,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:38:57,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [900457159] [2020-07-07 12:38:57,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:38:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,709 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:38:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:38:58,072 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 12:38:58,072 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:38:58,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [900457159] [2020-07-07 12:38:58,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:38:58,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 12:38:58,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115784538] [2020-07-07 12:38:58,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 12:38:58,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:38:58,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 12:38:58,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-07-07 12:38:58,076 INFO L87 Difference]: Start difference. First operand 617 states and 687 transitions. Second operand 14 states. [2020-07-07 12:38:58,530 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:38:59,351 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:38:59,990 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:39:00,258 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:39:00,536 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:39:00,830 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:39:01,096 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:39:01,380 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:39:01,633 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:39:01,918 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:39:02,168 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:39:02,455 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:39:02,771 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:39:03,071 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:39:04,616 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:39:04,870 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:39:05,133 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:39:05,398 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:39:05,645 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:39:05,889 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:39:06,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:39:06,436 INFO L93 Difference]: Finished difference Result 1229 states and 1451 transitions. [2020-07-07 12:39:06,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-07 12:39:06,437 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 241 [2020-07-07 12:39:06,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:39:06,443 INFO L225 Difference]: With dead ends: 1229 [2020-07-07 12:39:06,444 INFO L226 Difference]: Without dead ends: 722 [2020-07-07 12:39:06,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2020-07-07 12:39:06,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-07-07 12:39:06,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 613. [2020-07-07 12:39:06,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-07-07 12:39:06,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 683 transitions. [2020-07-07 12:39:06,638 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 683 transitions. Word has length 241 [2020-07-07 12:39:06,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:39:06,639 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 683 transitions. [2020-07-07 12:39:06,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 12:39:06,639 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 683 transitions. [2020-07-07 12:39:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-07-07 12:39:06,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:39:06,643 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:39:06,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 12:39:06,644 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:39:06,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:39:06,644 INFO L82 PathProgramCache]: Analyzing trace with hash 440058570, now seen corresponding path program 1 times [2020-07-07 12:39:06,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:39:06,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258785296] [2020-07-07 12:39:06,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:39:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:06,969 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:39:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:07,242 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 12:39:07,242 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:39:07,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258785296] [2020-07-07 12:39:07,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:39:07,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 12:39:07,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164411133] [2020-07-07 12:39:07,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 12:39:07,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:39:07,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 12:39:07,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-07-07 12:39:07,248 INFO L87 Difference]: Start difference. First operand 613 states and 683 transitions. Second operand 14 states. [2020-07-07 12:39:07,825 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:39:08,086 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:39:08,333 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:39:08,580 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:39:08,812 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:39:09,550 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:39:09,774 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:39:10,035 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:39:10,284 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:39:10,527 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:39:11,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:39:11,434 INFO L93 Difference]: Finished difference Result 1053 states and 1208 transitions. [2020-07-07 12:39:11,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 12:39:11,434 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 232 [2020-07-07 12:39:11,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:39:11,438 INFO L225 Difference]: With dead ends: 1053 [2020-07-07 12:39:11,438 INFO L226 Difference]: Without dead ends: 550 [2020-07-07 12:39:11,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-07-07 12:39:11,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2020-07-07 12:39:11,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 508. [2020-07-07 12:39:11,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2020-07-07 12:39:11,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 562 transitions. [2020-07-07 12:39:11,613 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 562 transitions. Word has length 232 [2020-07-07 12:39:11,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:39:11,614 INFO L479 AbstractCegarLoop]: Abstraction has 508 states and 562 transitions. [2020-07-07 12:39:11,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 12:39:11,614 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 562 transitions. [2020-07-07 12:39:11,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-07-07 12:39:11,617 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:39:11,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:39:11,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 12:39:11,618 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:39:11,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:39:11,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1204398017, now seen corresponding path program 1 times [2020-07-07 12:39:11,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:39:11,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791634138] [2020-07-07 12:39:11,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:39:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:11,918 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:39:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:39:12,128 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 12:39:12,128 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:39:12,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791634138] [2020-07-07 12:39:12,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:39:12,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-07 12:39:12,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387013249] [2020-07-07 12:39:12,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-07 12:39:12,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:39:12,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-07 12:39:12,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-07 12:39:12,130 INFO L87 Difference]: Start difference. First operand 508 states and 562 transitions. Second operand 13 states. [2020-07-07 12:39:12,612 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:39:13,322 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:39:14,285 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:39:14,530 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:39:14,792 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:39:15,036 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:39:15,278 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:39:15,527 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:39:15,774 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:39:16,026 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:39:16,310 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:39:16,556 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:39:17,373 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:39:17,699 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:39:18,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:39:18,923 INFO L93 Difference]: Finished difference Result 1105 states and 1307 transitions. [2020-07-07 12:39:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-07 12:39:18,923 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 237 [2020-07-07 12:39:18,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:39:18,928 INFO L225 Difference]: With dead ends: 1105 [2020-07-07 12:39:18,929 INFO L226 Difference]: Without dead ends: 788 [2020-07-07 12:39:18,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 42 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=340, Invalid=850, Unknown=0, NotChecked=0, Total=1190 [2020-07-07 12:39:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2020-07-07 12:39:19,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 651. [2020-07-07 12:39:19,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-07-07 12:39:19,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 731 transitions. [2020-07-07 12:39:19,196 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 731 transitions. Word has length 237 [2020-07-07 12:39:19,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:39:19,197 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 731 transitions. [2020-07-07 12:39:19,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-07 12:39:19,197 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 731 transitions. [2020-07-07 12:39:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-07-07 12:39:19,200 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:39:19,200 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 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 12:39:19,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 12:39:19,201 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:39:19,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:39:19,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1574385309, now seen corresponding path program 2 times [2020-07-07 12:39:19,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:39:19,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554576942] [2020-07-07 12:39:19,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:39:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:39:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:39:19,866 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:39:19,867 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 12:39:19,867 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 12:39:19,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 12:39:19,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 12:39:19 BoogieIcfgContainer [2020-07-07 12:39:19,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 12:39:19,926 INFO L168 Benchmark]: Toolchain (without parser) took 44329.57 ms. Allocated memory was 139.5 MB in the beginning and 755.0 MB in the end (delta: 615.5 MB). Free memory was 102.4 MB in the beginning and 280.0 MB in the end (delta: -177.6 MB). Peak memory consumption was 437.9 MB. Max. memory is 7.1 GB. [2020-07-07 12:39:19,927 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 12:39:19,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.12 ms. Allocated memory was 139.5 MB in the beginning and 206.0 MB in the end (delta: 66.6 MB). Free memory was 102.2 MB in the beginning and 176.7 MB in the end (delta: -74.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-07 12:39:19,931 INFO L168 Benchmark]: Boogie Preprocessor took 92.21 ms. Allocated memory is still 206.0 MB. Free memory was 176.7 MB in the beginning and 172.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-07 12:39:19,932 INFO L168 Benchmark]: RCFGBuilder took 1192.39 ms. Allocated memory was 206.0 MB in the beginning and 237.0 MB in the end (delta: 30.9 MB). Free memory was 172.4 MB in the beginning and 181.0 MB in the end (delta: -8.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-07-07 12:39:19,935 INFO L168 Benchmark]: TraceAbstraction took 42433.16 ms. Allocated memory was 237.0 MB in the beginning and 755.0 MB in the end (delta: 518.0 MB). Free memory was 181.0 MB in the beginning and 280.0 MB in the end (delta: -99.0 MB). Peak memory consumption was 419.0 MB. Max. memory is 7.1 GB. [2020-07-07 12:39:19,944 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 607.12 ms. Allocated memory was 139.5 MB in the beginning and 206.0 MB in the end (delta: 66.6 MB). Free memory was 102.2 MB in the beginning and 176.7 MB in the end (delta: -74.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.21 ms. Allocated memory is still 206.0 MB. Free memory was 176.7 MB in the beginning and 172.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1192.39 ms. Allocated memory was 206.0 MB in the beginning and 237.0 MB in the end (delta: 30.9 MB). Free memory was 172.4 MB in the beginning and 181.0 MB in the end (delta: -8.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 42433.16 ms. Allocated memory was 237.0 MB in the beginning and 755.0 MB in the end (delta: 518.0 MB). Free memory was 181.0 MB in the beginning and 280.0 MB in the end (delta: -99.0 MB). Peak memory consumption was 419.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 869]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L406] int cleanupTimeShifts = 4; [L615] int waterLevel = 1; [L616] int methaneLevelCritical = 0; [L712] int pumpRunning = 0; [L713] int systemActive = 1; [L487] int retValue_acc ; [L488] int tmp ; [L492] FCALL select_helpers() [L493] FCALL select_features() [L494] CALL, EXPR valid_product() [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); [L494] RET, EXPR valid_product() [L494] tmp = valid_product() [L496] COND TRUE \read(tmp) [L498] FCALL setup() [L499] CALL runTest() [L478] CALL test() [L546] int splverifierCounter ; [L547] int tmp ; [L548] int tmp___0 ; [L549] int tmp___1 ; [L550] int tmp___2 ; [L553] splverifierCounter = 0 [L555] COND TRUE 1 [L557] COND TRUE splverifierCounter < 4 [L563] tmp = __VERIFIER_nondet_int() [L565] COND TRUE \read(tmp) [L567] CALL waterRise() [L633] COND TRUE waterLevel < 2 [L634] waterLevel = waterLevel + 1 [L567] RET waterRise() [L573] tmp___0 = __VERIFIER_nondet_int() [L575] COND FALSE !(\read(tmp___0)) [L583] tmp___2 = __VERIFIER_nondet_int() [L585] COND TRUE \read(tmp___2) [L598] CALL timeShift() [L720] COND FALSE !(\read(pumpRunning)) [L727] COND TRUE \read(systemActive) [L729] CALL processEnvironment() [L749] int tmp ; [L752] COND TRUE ! pumpRunning [L754] CALL, EXPR isHighWaterLevel() [L846] int retValue_acc ; [L847] int tmp ; [L848] int tmp___0 ; [L852] CALL, EXPR isHighWaterSensorDry() [L695] int retValue_acc ; [L698] COND FALSE !(waterLevel < 2) [L702] retValue_acc = 0 [L703] return (retValue_acc); [L852] RET, EXPR isHighWaterSensorDry() [L852] tmp = isHighWaterSensorDry() [L854] COND FALSE !(\read(tmp)) [L857] tmp___0 = 1 [L859] retValue_acc = tmp___0 [L860] return (retValue_acc); [L754] RET, EXPR isHighWaterLevel() [L754] tmp = isHighWaterLevel() [L756] COND TRUE \read(tmp) [L758] CALL activatePump() [L777] pumpRunning = 1 [L758] RET activatePump() [L729] RET processEnvironment() [L735] CALL __utac_acc__Specification4_spec__1() [L875] int tmp ; [L876] int tmp___0 ; [L880] CALL, EXPR getWaterLevel() [L686] int retValue_acc ; [L689] retValue_acc = waterLevel [L690] return (retValue_acc); [L880] RET, EXPR getWaterLevel() [L880] tmp = getWaterLevel() [L882] COND FALSE !(tmp == 0) [L735] RET __utac_acc__Specification4_spec__1() [L598] RET timeShift() [L555] COND TRUE 1 [L557] COND TRUE splverifierCounter < 4 [L563] tmp = __VERIFIER_nondet_int() [L565] COND FALSE !(\read(tmp)) [L573] tmp___0 = __VERIFIER_nondet_int() [L575] COND FALSE !(\read(tmp___0)) [L583] tmp___2 = __VERIFIER_nondet_int() [L585] COND TRUE \read(tmp___2) [L598] CALL timeShift() [L720] COND TRUE \read(pumpRunning) [L722] CALL lowerWaterLevel() [L621] COND TRUE waterLevel > 0 [L622] waterLevel = waterLevel - 1 [L722] RET lowerWaterLevel() [L727] COND TRUE \read(systemActive) [L729] CALL processEnvironment() [L749] int tmp ; [L752] COND FALSE !(! pumpRunning) [L767] FCALL processEnvironment__wrappee__base() [L729] RET processEnvironment() [L735] CALL __utac_acc__Specification4_spec__1() [L875] int tmp ; [L876] int tmp___0 ; [L880] CALL, EXPR getWaterLevel() [L686] int retValue_acc ; [L689] retValue_acc = waterLevel [L690] return (retValue_acc); [L880] RET, EXPR getWaterLevel() [L880] tmp = getWaterLevel() [L882] COND FALSE !(tmp == 0) [L735] RET __utac_acc__Specification4_spec__1() [L598] RET timeShift() [L555] COND TRUE 1 [L557] COND TRUE splverifierCounter < 4 [L563] tmp = __VERIFIER_nondet_int() [L565] COND FALSE !(\read(tmp)) [L573] tmp___0 = __VERIFIER_nondet_int() [L575] COND FALSE !(\read(tmp___0)) [L583] tmp___2 = __VERIFIER_nondet_int() [L585] COND TRUE \read(tmp___2) [L598] CALL timeShift() [L720] COND TRUE \read(pumpRunning) [L722] CALL lowerWaterLevel() [L621] COND TRUE waterLevel > 0 [L622] waterLevel = waterLevel - 1 [L722] RET lowerWaterLevel() [L727] COND TRUE \read(systemActive) [L729] CALL processEnvironment() [L749] int tmp ; [L752] COND FALSE !(! pumpRunning) [L767] FCALL processEnvironment__wrappee__base() [L729] RET processEnvironment() [L735] CALL __utac_acc__Specification4_spec__1() [L875] int tmp ; [L876] int tmp___0 ; [L880] CALL, EXPR getWaterLevel() [L686] int retValue_acc ; [L689] retValue_acc = waterLevel [L690] return (retValue_acc); [L880] RET, EXPR getWaterLevel() [L880] tmp = getWaterLevel() [L882] COND TRUE tmp == 0 [L884] CALL, EXPR isPumpRunning() [L801] int retValue_acc ; [L804] retValue_acc = pumpRunning [L805] return (retValue_acc); [L884] RET, EXPR isPumpRunning() [L884] tmp___0 = isPumpRunning() [L886] COND TRUE \read(tmp___0) [L888] CALL __automaton_fail() [L869] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 606 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 42.3s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 35.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1787 SDtfs, 3671 SDslu, 4515 SDs, 0 SdLazy, 8453 SolverSat, 1040 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 385 GetRequests, 225 SyntacticMatches, 6 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 923 ImplicationChecksByTransitivity, 19.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=651occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 547 StatesRemovedByMinimization, 8 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...