/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_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 20:48:07,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 20:48:07,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 20:48:07,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 20:48:07,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 20:48:07,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 20:48:07,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 20:48:07,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 20:48:07,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 20:48:07,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 20:48:07,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 20:48:07,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 20:48:07,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 20:48:07,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 20:48:07,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 20:48:07,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 20:48:07,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 20:48:07,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 20:48:07,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 20:48:07,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 20:48:07,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 20:48:07,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 20:48:07,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 20:48:07,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 20:48:07,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 20:48:07,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 20:48:07,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 20:48:07,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 20:48:07,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 20:48:07,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 20:48:07,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 20:48:07,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 20:48:07,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 20:48:07,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 20:48:07,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 20:48:07,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 20:48:07,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 20:48:07,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 20:48:07,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 20:48:07,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 20:48:07,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 20:48:07,842 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 20:48:07,859 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 20:48:07,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 20:48:07,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 20:48:07,862 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 20:48:07,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 20:48:07,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 20:48:07,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 20:48:07,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 20:48:07,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 20:48:07,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 20:48:07,865 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 20:48:07,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 20:48:07,865 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 20:48:07,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 20:48:07,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 20:48:07,866 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 20:48:07,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 20:48:07,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 20:48:07,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:48:07,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 20:48:07,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 20:48:07,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 20:48:07,867 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 20:48:08,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 20:48:08,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 20:48:08,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 20:48:08,318 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 20:48:08,319 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 20:48:08,320 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c [2020-09-04 20:48:08,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81029a1ea/f4fc0c89dcc5457a9e720739e26829bc/FLAGc32415609 [2020-09-04 20:48:09,032 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 20:48:09,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c [2020-09-04 20:48:09,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81029a1ea/f4fc0c89dcc5457a9e720739e26829bc/FLAGc32415609 [2020-09-04 20:48:09,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81029a1ea/f4fc0c89dcc5457a9e720739e26829bc [2020-09-04 20:48:09,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 20:48:09,327 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 20:48:09,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 20:48:09,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 20:48:09,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 20:48:09,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:48:09" (1/1) ... [2020-09-04 20:48:09,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c86c800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:09, skipping insertion in model container [2020-09-04 20:48:09,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:48:09" (1/1) ... [2020-09-04 20:48:09,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 20:48:09,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 20:48:09,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:48:09,890 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 20:48:09,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:48:10,013 INFO L208 MainTranslator]: Completed translation [2020-09-04 20:48:10,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:10 WrapperNode [2020-09-04 20:48:10,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 20:48:10,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 20:48:10,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 20:48:10,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 20:48:10,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:10" (1/1) ... [2020-09-04 20:48:10,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:10" (1/1) ... [2020-09-04 20:48:10,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:10" (1/1) ... [2020-09-04 20:48:10,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:10" (1/1) ... [2020-09-04 20:48:10,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:10" (1/1) ... [2020-09-04 20:48:10,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:10" (1/1) ... [2020-09-04 20:48:10,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:10" (1/1) ... [2020-09-04 20:48:10,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 20:48:10,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 20:48:10,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 20:48:10,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 20:48:10,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:10" (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 20:48:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 20:48:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 20:48:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 20:48:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 20:48:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 20:48:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 20:48:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 20:48:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 20:48:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 20:48:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 20:48:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 20:48:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 20:48:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 20:48:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 20:48:10,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 20:48:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 20:48:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 20:48:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 20:48:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 20:48:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 20:48:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 20:48:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 20:48:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 20:48:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-04 20:48:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 20:48:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 20:48:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 20:48:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 20:48:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 20:48:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 20:48:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-04 20:48:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 20:48:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 20:48:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 20:48:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 20:48:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 20:48:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 20:48:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 20:48:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 20:48:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 20:48:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 20:48:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 20:48:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 20:48:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 20:48:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 20:48:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 20:48:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 20:48:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 20:48:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 20:48:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 20:48:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 20:48:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 20:48:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 20:48:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 20:48:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 20:48:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 20:48:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 20:48:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 20:48:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 20:48:10,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 20:48:10,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 20:48:10,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 20:48:10,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 20:48:10,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 20:48:10,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 20:48:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 20:48:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 20:48:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 20:48:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 20:48:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 20:48:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 20:48:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 20:48:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 20:48:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 20:48:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 20:48:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-04 20:48:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 20:48:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-04 20:48:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 20:48:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 20:48:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 20:48:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 20:48:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 20:48:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 20:48:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 20:48:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 20:48:11,315 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 20:48:11,316 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 20:48:11,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:48:11 BoogieIcfgContainer [2020-09-04 20:48:11,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 20:48:11,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 20:48:11,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 20:48:11,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 20:48:11,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 08:48:09" (1/3) ... [2020-09-04 20:48:11,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73425371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:48:11, skipping insertion in model container [2020-09-04 20:48:11,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:10" (2/3) ... [2020-09-04 20:48:11,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73425371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:48:11, skipping insertion in model container [2020-09-04 20:48:11,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:48:11" (3/3) ... [2020-09-04 20:48:11,338 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product10.cil.c [2020-09-04 20:48:11,350 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 20:48:11,362 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 20:48:11,384 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 20:48:11,410 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 20:48:11,410 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 20:48:11,410 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 20:48:11,410 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 20:48:11,410 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 20:48:11,410 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 20:48:11,411 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 20:48:11,411 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 20:48:11,434 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states. [2020-09-04 20:48:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-04 20:48:11,457 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:48:11,458 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 20:48:11,459 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:48:11,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:48:11,467 INFO L82 PathProgramCache]: Analyzing trace with hash -350196146, now seen corresponding path program 1 times [2020-09-04 20:48:11,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:48:11,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151479284] [2020-09-04 20:48:11,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:48:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:12,194 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:48:12,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:48:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:12,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:48:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:12,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:48:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:12,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:48:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:12,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:48:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:12,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:48:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:12,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-04 20:48:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:12,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-04 20:48:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:12,423 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 20:48:12,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151479284] [2020-09-04 20:48:12,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:48:12,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 20:48:12,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771863689] [2020-09-04 20:48:12,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 20:48:12,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:48:12,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 20:48:12,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 20:48:12,465 INFO L87 Difference]: Start difference. First operand 272 states. Second operand 3 states. [2020-09-04 20:48:13,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:48:13,702 INFO L93 Difference]: Finished difference Result 374 states and 448 transitions. [2020-09-04 20:48:13,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 20:48:13,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-09-04 20:48:13,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:48:13,726 INFO L225 Difference]: With dead ends: 374 [2020-09-04 20:48:13,727 INFO L226 Difference]: Without dead ends: 243 [2020-09-04 20:48:13,733 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 20:48:13,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-09-04 20:48:13,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 205. [2020-09-04 20:48:13,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-09-04 20:48:13,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 219 transitions. [2020-09-04 20:48:13,862 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 219 transitions. Word has length 153 [2020-09-04 20:48:13,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:48:13,863 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 219 transitions. [2020-09-04 20:48:13,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 20:48:13,863 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 219 transitions. [2020-09-04 20:48:13,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-04 20:48:13,868 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:48:13,868 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 20:48:13,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 20:48:13,869 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:48:13,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:48:13,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1301465933, now seen corresponding path program 1 times [2020-09-04 20:48:13,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:48:13,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810213737] [2020-09-04 20:48:13,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:48:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:14,397 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:48:14,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:48:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:14,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:48:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:14,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:48:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:14,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:48:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:14,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:48:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:14,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-04 20:48:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:14,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-04 20:48:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:14,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-04 20:48:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:14,493 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 20:48:14,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810213737] [2020-09-04 20:48:14,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:48:14,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 20:48:14,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315426775] [2020-09-04 20:48:14,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 20:48:14,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:48:14,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 20:48:14,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:48:14,498 INFO L87 Difference]: Start difference. First operand 205 states and 219 transitions. Second operand 4 states. [2020-09-04 20:48:15,233 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:48:15,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:48:15,870 INFO L93 Difference]: Finished difference Result 287 states and 319 transitions. [2020-09-04 20:48:15,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 20:48:15,871 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-09-04 20:48:15,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:48:15,875 INFO L225 Difference]: With dead ends: 287 [2020-09-04 20:48:15,875 INFO L226 Difference]: Without dead ends: 226 [2020-09-04 20:48:15,877 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 20:48:15,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-04 20:48:15,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 195. [2020-09-04 20:48:15,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-09-04 20:48:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 206 transitions. [2020-09-04 20:48:15,933 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 206 transitions. Word has length 154 [2020-09-04 20:48:15,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:48:15,934 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 206 transitions. [2020-09-04 20:48:15,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 20:48:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 206 transitions. [2020-09-04 20:48:15,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-04 20:48:15,937 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:48:15,938 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] [2020-09-04 20:48:15,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 20:48:15,938 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:48:15,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:48:15,939 INFO L82 PathProgramCache]: Analyzing trace with hash 351008882, now seen corresponding path program 1 times [2020-09-04 20:48:15,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:48:15,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321888047] [2020-09-04 20:48:15,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:48:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:16,369 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:48:16,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:48:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:16,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:48:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:16,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:48:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:16,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:48:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:16,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:48:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:16,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 20:48:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:16,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 20:48:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:16,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-04 20:48:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:16,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-04 20:48:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:16,638 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 20:48:16,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321888047] [2020-09-04 20:48:16,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:48:16,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 20:48:16,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099629397] [2020-09-04 20:48:16,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:48:16,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:48:16,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:48:16,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:48:16,642 INFO L87 Difference]: Start difference. First operand 195 states and 206 transitions. Second operand 10 states. [2020-09-04 20:48:17,221 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:48:17,561 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:48:17,920 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:48:18,242 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:48:18,557 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:48:18,879 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:48:20,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:48:20,142 INFO L93 Difference]: Finished difference Result 333 states and 381 transitions. [2020-09-04 20:48:20,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 20:48:20,143 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-04 20:48:20,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:48:20,149 INFO L225 Difference]: With dead ends: 333 [2020-09-04 20:48:20,149 INFO L226 Difference]: Without dead ends: 248 [2020-09-04 20:48:20,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-04 20:48:20,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-04 20:48:20,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 195. [2020-09-04 20:48:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-09-04 20:48:20,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 205 transitions. [2020-09-04 20:48:20,203 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 205 transitions. Word has length 167 [2020-09-04 20:48:20,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:48:20,203 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 205 transitions. [2020-09-04 20:48:20,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:48:20,204 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 205 transitions. [2020-09-04 20:48:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-04 20:48:20,206 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:48:20,207 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:48:20,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 20:48:20,207 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:48:20,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:48:20,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1432689870, now seen corresponding path program 1 times [2020-09-04 20:48:20,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:48:20,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450697921] [2020-09-04 20:48:20,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:48:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:20,680 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:48:20,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:48:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:20,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:48:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:20,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:48:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:20,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:48:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:20,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:48:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:20,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 20:48:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:20,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-04 20:48:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:20,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 20:48:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:20,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 20:48:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:20,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-04 20:48:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:20,909 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 20:48:20,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450697921] [2020-09-04 20:48:20,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:48:20,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:48:20,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942064558] [2020-09-04 20:48:20,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:48:20,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:48:20,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:48:20,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:48:20,912 INFO L87 Difference]: Start difference. First operand 195 states and 205 transitions. Second operand 9 states. [2020-09-04 20:48:21,627 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:48:23,131 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:48:23,468 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:48:23,802 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:48:24,166 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:48:24,478 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:48:24,834 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:48:25,144 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:48:25,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:48:25,656 INFO L93 Difference]: Finished difference Result 425 states and 496 transitions. [2020-09-04 20:48:25,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 20:48:25,656 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-09-04 20:48:25,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:48:25,662 INFO L225 Difference]: With dead ends: 425 [2020-09-04 20:48:25,662 INFO L226 Difference]: Without dead ends: 340 [2020-09-04 20:48:25,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-04 20:48:25,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-09-04 20:48:25,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 270. [2020-09-04 20:48:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-09-04 20:48:25,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 292 transitions. [2020-09-04 20:48:25,767 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 292 transitions. Word has length 170 [2020-09-04 20:48:25,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:48:25,768 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 292 transitions. [2020-09-04 20:48:25,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:48:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 292 transitions. [2020-09-04 20:48:25,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-04 20:48:25,772 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:48:25,772 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] [2020-09-04 20:48:25,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 20:48:25,773 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:48:25,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:48:25,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1340891089, now seen corresponding path program 1 times [2020-09-04 20:48:25,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:48:25,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958579279] [2020-09-04 20:48:25,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:48:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:48:25,866 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:48:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:48:26,002 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:48:26,214 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 20:48:26,215 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 20:48:26,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 20:48:26,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 08:48:26 BoogieIcfgContainer [2020-09-04 20:48:26,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 20:48:26,428 INFO L168 Benchmark]: Toolchain (without parser) took 17101.26 ms. Allocated memory was 140.5 MB in the beginning and 520.6 MB in the end (delta: 380.1 MB). Free memory was 103.7 MB in the beginning and 415.9 MB in the end (delta: -312.2 MB). Peak memory consumption was 393.9 MB. Max. memory is 7.1 GB. [2020-09-04 20:48:26,429 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 140.5 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 20:48:26,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.87 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 103.5 MB in the beginning and 175.5 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2020-09-04 20:48:26,431 INFO L168 Benchmark]: Boogie Preprocessor took 96.87 ms. Allocated memory is still 205.0 MB. Free memory was 175.5 MB in the beginning and 171.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-04 20:48:26,432 INFO L168 Benchmark]: RCFGBuilder took 1215.88 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 171.4 MB in the beginning and 182.7 MB in the end (delta: -11.3 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-09-04 20:48:26,433 INFO L168 Benchmark]: TraceAbstraction took 15096.88 ms. Allocated memory was 237.5 MB in the beginning and 520.6 MB in the end (delta: 283.1 MB). Free memory was 182.7 MB in the beginning and 415.9 MB in the end (delta: -233.2 MB). Peak memory consumption was 375.9 MB. Max. memory is 7.1 GB. [2020-09-04 20:48:26,437 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 140.5 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.87 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 103.5 MB in the beginning and 175.5 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.87 ms. Allocated memory is still 205.0 MB. Free memory was 175.5 MB in the beginning and 171.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1215.88 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 171.4 MB in the beginning and 182.7 MB in the end (delta: -11.3 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15096.88 ms. Allocated memory was 237.5 MB in the beginning and 520.6 MB in the end (delta: 283.1 MB). Free memory was 182.7 MB in the beginning and 415.9 MB in the end (delta: -233.2 MB). Peak memory consumption was 375.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L84] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=143, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=174, head={176:162}, methaneLevelCritical=143, pumpRunning=134, systemActive=133, waterLevel=1] [L85] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=143, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=174, head={176:162}, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=174, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=143, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=174, head={0:0}, methaneLevelCritical=0, pumpRunning=134, systemActive=133, waterLevel=1] [L613] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=143, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=174, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=133, waterLevel=1] [L614] int systemActive = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=143, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=174, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L781] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=174, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=143, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L855] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \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(systemActive)=1, \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(systemActive)=1, \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(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L861] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L861] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L863] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L865] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L866] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L848] CALL test() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L543] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L544] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L545] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L546] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L547] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L550] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L552] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L554] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L560] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L562] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L564] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L103] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L564] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L570] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \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] [L572] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L580] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \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] [L582] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \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] [L584] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L742] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L584] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \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] [L597] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L628] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L630] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L636] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L748] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L749] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L750] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L754] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L123] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L126] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L127] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L754] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L754] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L756] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L760] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L155] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L158] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L159] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L760] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L760] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L762] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L764] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L694] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L697] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L698] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L764] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L764] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \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] [L766] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L770] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L168] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 591 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 756 SDtfs, 987 SDslu, 1148 SDs, 0 SdLazy, 1866 SolverSat, 303 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=0, 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, 192 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 819 NumberOfCodeBlocks, 819 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 248462 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...