/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 20:47:36,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 20:47:36,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 20:47:36,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 20:47:36,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 20:47:36,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 20:47:36,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 20:47:36,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 20:47:36,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 20:47:36,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 20:47:36,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 20:47:36,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 20:47:36,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 20:47:36,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 20:47:36,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 20:47:36,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 20:47:36,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 20:47:36,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 20:47:36,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 20:47:36,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 20:47:36,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 20:47:36,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 20:47:36,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 20:47:36,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 20:47:36,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 20:47:36,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 20:47:36,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 20:47:36,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 20:47:36,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 20:47:36,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 20:47:36,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 20:47:36,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 20:47:36,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 20:47:36,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 20:47:36,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 20:47:36,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 20:47:36,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 20:47:36,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 20:47:36,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 20:47:36,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 20:47:36,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 20:47:36,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 20:47:36,426 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 20:47:36,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 20:47:36,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 20:47:36,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 20:47:36,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 20:47:36,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 20:47:36,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 20:47:36,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 20:47:36,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 20:47:36,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 20:47:36,431 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 20:47:36,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 20:47:36,431 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 20:47:36,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 20:47:36,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 20:47:36,432 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 20:47:36,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 20:47:36,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 20:47:36,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:47:36,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 20:47:36,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 20:47:36,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 20:47:36,434 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 20:47:36,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 20:47:36,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 20:47:36,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 20:47:36,903 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 20:47:36,904 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 20:47:36,906 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c [2020-09-04 20:47:36,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4cf499c3/7a1646336a8b4455908bfaaad64f537f/FLAG8c04795d9 [2020-09-04 20:47:37,596 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 20:47:37,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c [2020-09-04 20:47:37,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4cf499c3/7a1646336a8b4455908bfaaad64f537f/FLAG8c04795d9 [2020-09-04 20:47:37,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4cf499c3/7a1646336a8b4455908bfaaad64f537f [2020-09-04 20:47:37,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 20:47:37,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 20:47:37,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 20:47:37,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 20:47:37,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 20:47:37,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:47:37" (1/1) ... [2020-09-04 20:47:37,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:47:37, skipping insertion in model container [2020-09-04 20:47:37,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:47:37" (1/1) ... [2020-09-04 20:47:37,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 20:47:37,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 20:47:38,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:47:38,355 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 20:47:38,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:47:38,599 INFO L208 MainTranslator]: Completed translation [2020-09-04 20:47:38,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:47:38 WrapperNode [2020-09-04 20:47:38,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 20:47:38,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 20:47:38,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 20:47:38,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 20:47:38,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:47:38" (1/1) ... [2020-09-04 20:47:38,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:47:38" (1/1) ... [2020-09-04 20:47:38,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:47:38" (1/1) ... [2020-09-04 20:47:38,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:47:38" (1/1) ... [2020-09-04 20:47:38,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:47:38" (1/1) ... [2020-09-04 20:47:38,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:47:38" (1/1) ... [2020-09-04 20:47:38,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:47:38" (1/1) ... [2020-09-04 20:47:38,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 20:47:38,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 20:47:38,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 20:47:38,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 20:47:38,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:47:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 20:47:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 20:47:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 20:47:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 20:47:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 20:47:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 20:47:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 20:47:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 20:47:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 20:47:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 20:47:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 20:47:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 20:47:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 20:47:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 20:47:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 20:47:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 20:47:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 20:47:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 20:47:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 20:47:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 20:47:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 20:47:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 20:47:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 20:47:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 20:47:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 20:47:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 20:47:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 20:47:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 20:47:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 20:47:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 20:47:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 20:47:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 20:47:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 20:47:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 20:47:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 20:47:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-04 20:47:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 20:47:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 20:47:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 20:47:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 20:47:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 20:47:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 20:47:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 20:47:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 20:47:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 20:47:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 20:47:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 20:47:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 20:47:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 20:47:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 20:47:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 20:47:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 20:47:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-04 20:47:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 20:47:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 20:47:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 20:47:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 20:47:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 20:47:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 20:47:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 20:47:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 20:47:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 20:47:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 20:47:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 20:47:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 20:47:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 20:47:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 20:47:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 20:47:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 20:47:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 20:47:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 20:47:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 20:47:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 20:47:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 20:47:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 20:47:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 20:47:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 20:47:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 20:47:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 20:47:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 20:47:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 20:47:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 20:47:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 20:47:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 20:47:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 20:47:39,956 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 20:47:39,956 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 20:47:39,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:47:39 BoogieIcfgContainer [2020-09-04 20:47:39,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 20:47:39,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 20:47:39,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 20:47:39,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 20:47:39,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 08:47:37" (1/3) ... [2020-09-04 20:47:39,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6306016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:47:39, skipping insertion in model container [2020-09-04 20:47:39,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:47:38" (2/3) ... [2020-09-04 20:47:39,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6306016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:47:39, skipping insertion in model container [2020-09-04 20:47:39,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:47:39" (3/3) ... [2020-09-04 20:47:39,975 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2020-09-04 20:47:39,987 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 20:47:39,997 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 20:47:40,017 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 20:47:40,041 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 20:47:40,041 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 20:47:40,042 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 20:47:40,042 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 20:47:40,042 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 20:47:40,042 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 20:47:40,042 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 20:47:40,042 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 20:47:40,065 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states. [2020-09-04 20:47:40,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-04 20:47:40,088 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:47:40,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:47:40,090 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:47:40,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:47:40,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1745842468, now seen corresponding path program 1 times [2020-09-04 20:47:40,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:47:40,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563011150] [2020-09-04 20:47:40,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:47:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:40,893 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:47:40,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:47:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:41,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:47:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:41,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:47:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:41,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:47:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:41,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:47:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:41,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:47:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:41,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-04 20:47:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:41,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-04 20:47:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:47:41,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1563011150] [2020-09-04 20:47:41,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:47:41,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 20:47:41,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598149809] [2020-09-04 20:47:41,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 20:47:41,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:47:41,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 20:47:41,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 20:47:41,108 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 3 states. [2020-09-04 20:47:42,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:47:42,344 INFO L93 Difference]: Finished difference Result 413 states and 495 transitions. [2020-09-04 20:47:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 20:47:42,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-09-04 20:47:42,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:47:42,367 INFO L225 Difference]: With dead ends: 413 [2020-09-04 20:47:42,367 INFO L226 Difference]: Without dead ends: 263 [2020-09-04 20:47:42,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 20:47:42,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-09-04 20:47:42,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 224. [2020-09-04 20:47:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-09-04 20:47:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 242 transitions. [2020-09-04 20:47:42,502 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 242 transitions. Word has length 153 [2020-09-04 20:47:42,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:47:42,503 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 242 transitions. [2020-09-04 20:47:42,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 20:47:42,503 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 242 transitions. [2020-09-04 20:47:42,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-04 20:47:42,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:47:42,508 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:47:42,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 20:47:42,509 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:47:42,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:47:42,509 INFO L82 PathProgramCache]: Analyzing trace with hash 998854656, now seen corresponding path program 1 times [2020-09-04 20:47:42,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:47:42,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [649503593] [2020-09-04 20:47:42,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:47:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:42,930 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:47:42,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:47:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:43,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:47:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:43,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:47:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:43,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:47:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:43,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:47:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:43,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-04 20:47:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:43,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-04 20:47:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:43,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-04 20:47:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:47:43,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [649503593] [2020-09-04 20:47:43,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:47:43,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 20:47:43,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168905281] [2020-09-04 20:47:43,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 20:47:43,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:47:43,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 20:47:43,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:47:43,050 INFO L87 Difference]: Start difference. First operand 224 states and 242 transitions. Second operand 4 states. [2020-09-04 20:47:43,725 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:47:44,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:47:44,461 INFO L93 Difference]: Finished difference Result 330 states and 370 transitions. [2020-09-04 20:47:44,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 20:47:44,462 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-09-04 20:47:44,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:47:44,472 INFO L225 Difference]: With dead ends: 330 [2020-09-04 20:47:44,472 INFO L226 Difference]: Without dead ends: 246 [2020-09-04 20:47:44,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 20:47:44,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-09-04 20:47:44,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 214. [2020-09-04 20:47:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-09-04 20:47:44,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 229 transitions. [2020-09-04 20:47:44,563 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 229 transitions. Word has length 154 [2020-09-04 20:47:44,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:47:44,564 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 229 transitions. [2020-09-04 20:47:44,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 20:47:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 229 transitions. [2020-09-04 20:47:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-04 20:47:44,568 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:47:44,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:47:44,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 20:47:44,569 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:47:44,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:47:44,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1282576670, now seen corresponding path program 1 times [2020-09-04 20:47:44,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:47:44,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264646429] [2020-09-04 20:47:44,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:47:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:44,962 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:47:44,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:47:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:45,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:47:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:45,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:47:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:45,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:47:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:45,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:47:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:45,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-04 20:47:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:45,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-04 20:47:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:45,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 20:47:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:45,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:47:45,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264646429] [2020-09-04 20:47:45,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:47:45,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:47:45,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361518928] [2020-09-04 20:47:45,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:47:45,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:47:45,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:47:45,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:47:45,139 INFO L87 Difference]: Start difference. First operand 214 states and 229 transitions. Second operand 9 states. [2020-09-04 20:47:45,706 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:47:46,068 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:47:46,379 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:47:46,714 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:47:47,050 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:47:47,350 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:47:48,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:47:48,648 INFO L93 Difference]: Finished difference Result 350 states and 395 transitions. [2020-09-04 20:47:48,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-04 20:47:48,649 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-09-04 20:47:48,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:47:48,653 INFO L225 Difference]: With dead ends: 350 [2020-09-04 20:47:48,653 INFO L226 Difference]: Without dead ends: 246 [2020-09-04 20:47:48,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-09-04 20:47:48,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-09-04 20:47:48,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 214. [2020-09-04 20:47:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-09-04 20:47:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 228 transitions. [2020-09-04 20:47:48,740 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 228 transitions. Word has length 163 [2020-09-04 20:47:48,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:47:48,741 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 228 transitions. [2020-09-04 20:47:48,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:47:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 228 transitions. [2020-09-04 20:47:48,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-04 20:47:48,743 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:47:48,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:47:48,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 20:47:48,744 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:47:48,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:47:48,744 INFO L82 PathProgramCache]: Analyzing trace with hash -451135243, now seen corresponding path program 1 times [2020-09-04 20:47:48,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:47:48,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1666727399] [2020-09-04 20:47:48,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:47:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:49,135 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:47:49,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:47:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:49,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:47:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:49,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:47:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:49,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:47:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:49,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:47:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:49,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-04 20:47:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:49,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:47:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:49,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 20:47:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:49,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:47:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:49,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 20:47:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:47:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:47:49,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1666727399] [2020-09-04 20:47:49,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:47:49,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:47:49,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947137100] [2020-09-04 20:47:49,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:47:49,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:47:49,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:47:49,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:47:49,372 INFO L87 Difference]: Start difference. First operand 214 states and 228 transitions. Second operand 9 states. [2020-09-04 20:47:49,989 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:47:51,733 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:47:52,035 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:47:52,395 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:47:52,705 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:47:53,052 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:47:53,519 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:47:53,816 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:47:54,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:47:54,189 INFO L93 Difference]: Finished difference Result 489 states and 580 transitions. [2020-09-04 20:47:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 20:47:54,190 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2020-09-04 20:47:54,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:47:54,195 INFO L225 Difference]: With dead ends: 489 [2020-09-04 20:47:54,195 INFO L226 Difference]: Without dead ends: 385 [2020-09-04 20:47:54,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-04 20:47:54,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-09-04 20:47:54,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 310. [2020-09-04 20:47:54,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-09-04 20:47:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 341 transitions. [2020-09-04 20:47:54,304 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 341 transitions. Word has length 171 [2020-09-04 20:47:54,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:47:54,305 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 341 transitions. [2020-09-04 20:47:54,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:47:54,305 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 341 transitions. [2020-09-04 20:47:54,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-04 20:47:54,308 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:47:54,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:47:54,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 20:47:54,309 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:47:54,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:47:54,309 INFO L82 PathProgramCache]: Analyzing trace with hash -481228589, now seen corresponding path program 1 times [2020-09-04 20:47:54,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:47:54,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033156421] [2020-09-04 20:47:54,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:47:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:47:54,387 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:47:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:47:54,465 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:47:54,667 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 20:47:54,668 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 20:47:54,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 20:47:54,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 08:47:54 BoogieIcfgContainer [2020-09-04 20:47:54,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 20:47:54,947 INFO L168 Benchmark]: Toolchain (without parser) took 17058.93 ms. Allocated memory was 146.8 MB in the beginning and 528.0 MB in the end (delta: 381.2 MB). Free memory was 103.0 MB in the beginning and 455.2 MB in the end (delta: -352.2 MB). Peak memory consumption was 352.7 MB. Max. memory is 7.1 GB. [2020-09-04 20:47:54,949 INFO L168 Benchmark]: CDTParser took 1.83 ms. Allocated memory is still 146.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 20:47:54,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.43 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 175.0 MB in the end (delta: -72.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-09-04 20:47:54,957 INFO L168 Benchmark]: Boogie Preprocessor took 92.64 ms. Allocated memory is still 204.5 MB. Free memory was 175.0 MB in the beginning and 171.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-04 20:47:54,957 INFO L168 Benchmark]: RCFGBuilder took 1271.43 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 171.0 MB in the beginning and 180.2 MB in the end (delta: -9.2 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-09-04 20:47:54,958 INFO L168 Benchmark]: TraceAbstraction took 14978.40 ms. Allocated memory was 234.9 MB in the beginning and 528.0 MB in the end (delta: 293.1 MB). Free memory was 178.8 MB in the beginning and 455.2 MB in the end (delta: -276.4 MB). Peak memory consumption was 340.5 MB. Max. memory is 7.1 GB. [2020-09-04 20:47:54,970 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.83 ms. Allocated memory is still 146.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.43 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 175.0 MB in the end (delta: -72.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.64 ms. Allocated memory is still 204.5 MB. Free memory was 175.0 MB in the beginning and 171.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1271.43 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 171.0 MB in the beginning and 180.2 MB in the end (delta: -9.2 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14978.40 ms. Allocated memory was 234.9 MB in the beginning and 528.0 MB in the end (delta: 293.1 MB). Free memory was 178.8 MB in the beginning and 455.2 MB in the end (delta: -276.4 MB). Peak memory consumption was 340.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L95] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=166, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=142, cleanupTimeShifts=174, head={176:166}, methaneLevelCritical=145, pumpRunning=0, systemActive=133, waterLevel=142] [L96] int systemActive = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=142, cleanupTimeShifts=174, head={176:166}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=142] [L297] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=174, \old(head)=166, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=142, cleanupTimeShifts=4, head={176:166}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=142] [L562] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=174, \old(head)=166, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=142] [L760] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=166, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=1] [L761] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L370] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L371] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L375] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L376] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L377] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L72] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L377] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L377] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L379] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L381] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L382] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L364] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L233] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L234] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L235] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L236] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L237] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L240] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L242] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L244] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L250] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L252] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L254] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L779] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L254] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L260] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L262] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L270] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L272] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L285] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L103] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L110] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L112] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L132] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L135] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L150] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L112] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L118] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L841] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L842] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L843] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L847] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L799] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L802] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L803] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L847] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L847] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L849] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L853] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L831] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L834] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L835] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L853] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L853] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L855] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L857] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L184] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L187] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L188] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L857] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L857] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L859] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L863] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 590 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 818 SDtfs, 956 SDslu, 1097 SDs, 0 SdLazy, 2139 SolverSat, 319 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 178 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 817 NumberOfCodeBlocks, 817 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 637 ConstructedInterpolants, 0 QuantifiedInterpolants, 258000 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...