/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 23:56:13,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 23:56:13,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 23:56:13,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 23:56:13,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 23:56:13,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 23:56:13,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 23:56:13,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 23:56:13,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 23:56:13,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 23:56:13,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 23:56:13,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 23:56:13,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 23:56:13,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 23:56:13,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 23:56:13,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 23:56:13,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 23:56:13,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 23:56:13,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 23:56:13,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 23:56:13,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 23:56:13,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 23:56:13,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 23:56:13,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 23:56:13,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 23:56:13,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 23:56:13,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 23:56:13,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 23:56:13,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 23:56:13,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 23:56:13,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 23:56:13,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 23:56:13,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 23:56:13,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 23:56:13,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 23:56:13,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 23:56:13,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 23:56:13,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 23:56:13,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 23:56:13,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 23:56:13,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 23:56:13,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 23:56:13,780 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 23:56:13,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 23:56:13,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 23:56:13,784 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 23:56:13,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 23:56:13,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 23:56:13,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 23:56:13,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 23:56:13,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 23:56:13,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 23:56:13,786 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 23:56:13,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 23:56:13,787 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 23:56:13,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 23:56:13,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 23:56:13,787 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 23:56:13,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 23:56:13,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 23:56:13,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:56:13,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 23:56:13,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 23:56:13,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 23:56:13,789 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-23 23:56:14,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 23:56:14,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 23:56:14,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 23:56:14,266 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 23:56:14,267 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 23:56:14,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c [2020-10-23 23:56:14,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b90e782f/f921cbb1e1a24c16927c6747c319aff5/FLAG63440174a [2020-10-23 23:56:15,109 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 23:56:15,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c [2020-10-23 23:56:15,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b90e782f/f921cbb1e1a24c16927c6747c319aff5/FLAG63440174a [2020-10-23 23:56:15,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b90e782f/f921cbb1e1a24c16927c6747c319aff5 [2020-10-23 23:56:15,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 23:56:15,458 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 23:56:15,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 23:56:15,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 23:56:15,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 23:56:15,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:56:15" (1/1) ... [2020-10-23 23:56:15,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3d61b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:15, skipping insertion in model container [2020-10-23 23:56:15,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:56:15" (1/1) ... [2020-10-23 23:56:15,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 23:56:15,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 23:56:15,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:56:15,902 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 23:56:15,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:56:16,033 INFO L208 MainTranslator]: Completed translation [2020-10-23 23:56:16,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:16 WrapperNode [2020-10-23 23:56:16,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 23:56:16,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 23:56:16,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 23:56:16,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 23:56:16,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:16" (1/1) ... [2020-10-23 23:56:16,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:16" (1/1) ... [2020-10-23 23:56:16,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:16" (1/1) ... [2020-10-23 23:56:16,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:16" (1/1) ... [2020-10-23 23:56:16,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:16" (1/1) ... [2020-10-23 23:56:16,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:16" (1/1) ... [2020-10-23 23:56:16,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:16" (1/1) ... [2020-10-23 23:56:16,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 23:56:16,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 23:56:16,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 23:56:16,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 23:56:16,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:56:16,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 23:56:16,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 23:56:16,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 23:56:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 23:56:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 23:56:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 23:56:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 23:56:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 23:56:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 23:56:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 23:56:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 23:56:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 23:56:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 23:56:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 23:56:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 23:56:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 23:56:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:56:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 23:56:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 23:56:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 23:56:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 23:56:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 23:56:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 23:56:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 23:56:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 23:56:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 23:56:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 23:56:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 23:56:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 23:56:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 23:56:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 23:56:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 23:56:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 23:56:16,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 23:56:16,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 23:56:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 23:56:16,244 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 23:56:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 23:56:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 23:56:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 23:56:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 23:56:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 23:56:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 23:56:16,245 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 23:56:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 23:56:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 23:56:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 23:56:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 23:56:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 23:56:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:56:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 23:56:16,246 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 23:56:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 23:56:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 23:56:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 23:56:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 23:56:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 23:56:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 23:56:16,247 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 23:56:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 23:56:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 23:56:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 23:56:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 23:56:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 23:56:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 23:56:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 23:56:16,248 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 23:56:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 23:56:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 23:56:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 23:56:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 23:56:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 23:56:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 23:56:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 23:56:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 23:56:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 23:56:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 23:56:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 23:56:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 23:56:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 23:56:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 23:56:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 23:56:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 23:56:16,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 23:56:17,359 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 23:56:17,359 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 23:56:17,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:56:17 BoogieIcfgContainer [2020-10-23 23:56:17,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 23:56:17,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 23:56:17,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 23:56:17,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 23:56:17,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:56:15" (1/3) ... [2020-10-23 23:56:17,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517d6077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:56:17, skipping insertion in model container [2020-10-23 23:56:17,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:56:16" (2/3) ... [2020-10-23 23:56:17,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517d6077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:56:17, skipping insertion in model container [2020-10-23 23:56:17,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:56:17" (3/3) ... [2020-10-23 23:56:17,371 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2020-10-23 23:56:17,383 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 23:56:17,389 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 23:56:17,402 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 23:56:17,426 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 23:56:17,426 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 23:56:17,426 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-23 23:56:17,426 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 23:56:17,426 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 23:56:17,426 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 23:56:17,426 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 23:56:17,427 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 23:56:17,448 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states. [2020-10-23 23:56:17,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-23 23:56:17,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:56:17,468 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] [2020-10-23 23:56:17,468 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:56:17,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:56:17,475 INFO L82 PathProgramCache]: Analyzing trace with hash 104486125, now seen corresponding path program 1 times [2020-10-23 23:56:17,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:56:17,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512279133] [2020-10-23 23:56:17,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:56:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:18,312 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:56:18,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:56:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:18,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:56:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:18,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:56:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:18,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:56:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:18,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:56:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:18,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:56:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:18,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:56:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:18,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:56:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:56:18,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512279133] [2020-10-23 23:56:18,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:56:18,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 23:56:18,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142273706] [2020-10-23 23:56:18,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 23:56:18,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:56:18,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 23:56:18,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:56:18,529 INFO L87 Difference]: Start difference. First operand 267 states. Second operand 3 states. [2020-10-23 23:56:19,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:56:19,848 INFO L93 Difference]: Finished difference Result 375 states and 449 transitions. [2020-10-23 23:56:19,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 23:56:19,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-23 23:56:19,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:56:19,873 INFO L225 Difference]: With dead ends: 375 [2020-10-23 23:56:19,876 INFO L226 Difference]: Without dead ends: 244 [2020-10-23 23:56:19,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:56:19,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-23 23:56:20,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 207. [2020-10-23 23:56:20,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-10-23 23:56:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 221 transitions. [2020-10-23 23:56:20,026 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 221 transitions. Word has length 159 [2020-10-23 23:56:20,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:56:20,027 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 221 transitions. [2020-10-23 23:56:20,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 23:56:20,027 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 221 transitions. [2020-10-23 23:56:20,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-23 23:56:20,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:56:20,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:56:20,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 23:56:20,033 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:56:20,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:56:20,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1235655469, now seen corresponding path program 1 times [2020-10-23 23:56:20,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:56:20,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [336017034] [2020-10-23 23:56:20,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:56:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:20,545 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:56:20,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:56:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:20,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:56:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:20,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:56:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:20,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:56:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:20,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:56:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:20,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-23 23:56:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:20,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-23 23:56:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:20,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-23 23:56:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:56:20,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [336017034] [2020-10-23 23:56:20,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:56:20,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 23:56:20,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019429328] [2020-10-23 23:56:20,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 23:56:20,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:56:20,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 23:56:20,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 23:56:20,716 INFO L87 Difference]: Start difference. First operand 207 states and 221 transitions. Second operand 4 states. [2020-10-23 23:56:21,461 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:56:22,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:56:22,063 INFO L93 Difference]: Finished difference Result 289 states and 320 transitions. [2020-10-23 23:56:22,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 23:56:22,064 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-10-23 23:56:22,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:56:22,070 INFO L225 Difference]: With dead ends: 289 [2020-10-23 23:56:22,071 INFO L226 Difference]: Without dead ends: 227 [2020-10-23 23:56:22,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 23:56:22,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-23 23:56:22,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 197. [2020-10-23 23:56:22,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-23 23:56:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 208 transitions. [2020-10-23 23:56:22,154 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 208 transitions. Word has length 160 [2020-10-23 23:56:22,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:56:22,154 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 208 transitions. [2020-10-23 23:56:22,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 23:56:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 208 transitions. [2020-10-23 23:56:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-23 23:56:22,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:56:22,158 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] [2020-10-23 23:56:22,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 23:56:22,159 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:56:22,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:56:22,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1754874064, now seen corresponding path program 1 times [2020-10-23 23:56:22,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:56:22,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904684465] [2020-10-23 23:56:22,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:56:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:22,591 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:56:22,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:56:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:22,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:56:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:22,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:56:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:22,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:56:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:22,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:56:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:22,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:56:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:22,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:56:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:22,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-23 23:56:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:22,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:56:22,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1904684465] [2020-10-23 23:56:22,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:56:22,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 23:56:22,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544232051] [2020-10-23 23:56:22,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 23:56:22,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:56:22,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 23:56:22,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 23:56:22,806 INFO L87 Difference]: Start difference. First operand 197 states and 208 transitions. Second operand 9 states. [2020-10-23 23:56:23,381 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:56:23,721 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:56:24,042 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 23:56:24,335 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:56:24,603 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:56:24,898 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:56:25,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:56:25,886 INFO L93 Difference]: Finished difference Result 309 states and 345 transitions. [2020-10-23 23:56:25,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 23:56:25,887 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169 [2020-10-23 23:56:25,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:56:25,894 INFO L225 Difference]: With dead ends: 309 [2020-10-23 23:56:25,894 INFO L226 Difference]: Without dead ends: 227 [2020-10-23 23:56:25,897 INFO L677 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 [2020-10-23 23:56:25,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-23 23:56:25,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 197. [2020-10-23 23:56:25,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-23 23:56:25,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 207 transitions. [2020-10-23 23:56:25,981 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 207 transitions. Word has length 169 [2020-10-23 23:56:25,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:56:25,981 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 207 transitions. [2020-10-23 23:56:25,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 23:56:25,982 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 207 transitions. [2020-10-23 23:56:25,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-23 23:56:25,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:56:25,984 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] [2020-10-23 23:56:25,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 23:56:25,985 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:56:25,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:56:25,986 INFO L82 PathProgramCache]: Analyzing trace with hash 113794683, now seen corresponding path program 1 times [2020-10-23 23:56:25,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:56:25,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1947744729] [2020-10-23 23:56:25,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:56:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:26,419 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:56:26,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:56:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:26,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:56:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:26,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:56:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:26,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:56:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:26,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:56:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:26,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 23:56:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:26,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 23:56:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:26,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-23 23:56:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:26,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-23 23:56:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:56:26,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:56:26,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1947744729] [2020-10-23 23:56:26,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:56:26,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 23:56:26,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320552711] [2020-10-23 23:56:26,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 23:56:26,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:56:26,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 23:56:26,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-23 23:56:26,673 INFO L87 Difference]: Start difference. First operand 197 states and 207 transitions. Second operand 8 states. [2020-10-23 23:56:27,190 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:56:28,406 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:56:28,719 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:56:29,000 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:56:29,315 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:56:29,605 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:56:29,902 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:56:30,219 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:56:30,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:56:30,535 INFO L93 Difference]: Finished difference Result 375 states and 424 transitions. [2020-10-23 23:56:30,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 23:56:30,536 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 172 [2020-10-23 23:56:30,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:56:30,539 INFO L225 Difference]: With dead ends: 375 [2020-10-23 23:56:30,539 INFO L226 Difference]: Without dead ends: 293 [2020-10-23 23:56:30,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-23 23:56:30,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-10-23 23:56:30,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 268. [2020-10-23 23:56:30,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-10-23 23:56:30,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 290 transitions. [2020-10-23 23:56:30,676 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 290 transitions. Word has length 172 [2020-10-23 23:56:30,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:56:30,677 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 290 transitions. [2020-10-23 23:56:30,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 23:56:30,677 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 290 transitions. [2020-10-23 23:56:30,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-23 23:56:30,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:56:30,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:56:30,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 23:56:30,680 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:56:30,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:56:30,681 INFO L82 PathProgramCache]: Analyzing trace with hash 942889727, now seen corresponding path program 1 times [2020-10-23 23:56:30,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:56:30,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251955654] [2020-10-23 23:56:30,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:56:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:56:30,777 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:56:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:56:30,874 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:56:31,081 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 23:56:31,082 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 23:56:31,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 23:56:31,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:56:31 BoogieIcfgContainer [2020-10-23 23:56:31,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 23:56:31,355 INFO L168 Benchmark]: Toolchain (without parser) took 15901.83 ms. Allocated memory was 151.0 MB in the beginning and 440.4 MB in the end (delta: 289.4 MB). Free memory was 126.0 MB in the beginning and 161.7 MB in the end (delta: -35.6 MB). Peak memory consumption was 255.1 MB. Max. memory is 8.0 GB. [2020-10-23 23:56:31,356 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 23:56:31,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.23 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 105.9 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-10-23 23:56:31,365 INFO L168 Benchmark]: Boogie Preprocessor took 118.28 ms. Allocated memory is still 151.0 MB. Free memory was 105.9 MB in the beginning and 132.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 8.7 MB. Max. memory is 8.0 GB. [2020-10-23 23:56:31,366 INFO L168 Benchmark]: RCFGBuilder took 1208.28 ms. Allocated memory is still 151.0 MB. Free memory was 132.8 MB in the beginning and 89.6 MB in the end (delta: 43.2 MB). Peak memory consumption was 59.9 MB. Max. memory is 8.0 GB. [2020-10-23 23:56:31,367 INFO L168 Benchmark]: TraceAbstraction took 13989.18 ms. Allocated memory was 151.0 MB in the beginning and 440.4 MB in the end (delta: 289.4 MB). Free memory was 89.1 MB in the beginning and 162.2 MB in the end (delta: -73.1 MB). Peak memory consumption was 215.8 MB. Max. memory is 8.0 GB. [2020-10-23 23:56:31,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 570.23 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 105.9 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 118.28 ms. Allocated memory is still 151.0 MB. Free memory was 105.9 MB in the beginning and 132.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 8.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1208.28 ms. Allocated memory is still 151.0 MB. Free memory was 132.8 MB in the beginning and 89.6 MB in the end (delta: 43.2 MB). Peak memory consumption was 59.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 13989.18 ms. Allocated memory was 151.0 MB in the beginning and 440.4 MB in the end (delta: 289.4 MB). Free memory was 89.1 MB in the beginning and 162.2 MB in the end (delta: -73.1 MB). Peak memory consumption was 215.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L50] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=180, head={182:170}, methaneLevelCritical=149, pumpRunning=0, systemActive=138, waterLevel=144] [L51] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=149, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=180, head={182:170}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=144] [L309] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=149, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=4, head={182:170}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=144] [L405] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=149, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=4, head={182:170}, methaneLevelCritical=149, pumpRunning=0, systemActive=1, waterLevel=1] [L406] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=149, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=4, head={182:170}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=149, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L382] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L383] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L387] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L388] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L389] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L255] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L258] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L259] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L389] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L389] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L391] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L393] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L394] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L376] CALL test() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L162] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L163] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L164] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L165] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L171] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L173] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L179] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=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] [L181] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L183] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L423] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L424] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L183] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L189] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=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] [L191] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L199] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=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] [L201] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=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] [L214] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L58] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L65] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L67] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L267] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L268] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L269] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L273] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L444] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L447] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L448] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L273] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L273] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L275] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L279] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L476] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L479] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L480] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L279] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L279] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L281] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L283] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L113] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L116] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L117] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L283] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L283] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=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] [L285] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=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] [L289] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L304] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product01.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=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, 591 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 759 SDtfs, 628 SDslu, 1181 SDs, 0 SdLazy, 1745 SolverSat, 190 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 122 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 837 NumberOfCodeBlocks, 837 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 656 ConstructedInterpolants, 0 QuantifiedInterpolants, 280198 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...