./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/Addition01-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive/Addition01-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4af9e26294eb81d37b6ccb692d0b40e4bed5b0d6d3dd72d6af1a80634692c297 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 04:18:46,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 04:18:46,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 04:18:46,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 04:18:46,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 04:18:46,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 04:18:46,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 04:18:46,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 04:18:46,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 04:18:46,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 04:18:46,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 04:18:46,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 04:18:46,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 04:18:46,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 04:18:46,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 04:18:46,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 04:18:46,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 04:18:46,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 04:18:46,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 04:18:46,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 04:18:46,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 04:18:46,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 04:18:46,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 04:18:46,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 04:18:46,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 04:18:46,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 04:18:46,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 04:18:46,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 04:18:46,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 04:18:46,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 04:18:46,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 04:18:46,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 04:18:46,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 04:18:46,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 04:18:46,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 04:18:46,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 04:18:46,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 04:18:46,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 04:18:46,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 04:18:46,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 04:18:46,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 04:18:46,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-18 04:18:46,715 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 04:18:46,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 04:18:46,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 04:18:46,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 04:18:46,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 04:18:46,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 04:18:46,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 04:18:46,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 04:18:46,726 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 04:18:46,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 04:18:46,727 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 04:18:46,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 04:18:46,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 04:18:46,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 04:18:46,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 04:18:46,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 04:18:46,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 04:18:46,728 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 04:18:46,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 04:18:46,728 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 04:18:46,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 04:18:46,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 04:18:46,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 04:18:46,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 04:18:46,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 04:18:46,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 04:18:46,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 04:18:46,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 04:18:46,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 04:18:46,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 04:18:46,730 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 04:18:46,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 04:18:46,731 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 04:18:46,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 04:18:46,731 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 04:18:46,731 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4af9e26294eb81d37b6ccb692d0b40e4bed5b0d6d3dd72d6af1a80634692c297 [2023-02-18 04:18:46,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 04:18:46,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 04:18:46,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 04:18:46,972 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 04:18:46,973 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 04:18:46,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Addition01-2.c [2023-02-18 04:18:48,162 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 04:18:48,365 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 04:18:48,366 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition01-2.c [2023-02-18 04:18:48,370 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/310a607a1/cebc616d1dee4a63976eed82f88d180a/FLAG224c36f3e [2023-02-18 04:18:48,380 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/310a607a1/cebc616d1dee4a63976eed82f88d180a [2023-02-18 04:18:48,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 04:18:48,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 04:18:48,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 04:18:48,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 04:18:48,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 04:18:48,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 04:18:48" (1/1) ... [2023-02-18 04:18:48,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21504f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48, skipping insertion in model container [2023-02-18 04:18:48,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 04:18:48" (1/1) ... [2023-02-18 04:18:48,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 04:18:48,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 04:18:48,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition01-2.c[1126,1139] [2023-02-18 04:18:48,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 04:18:48,516 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 04:18:48,528 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition01-2.c[1126,1139] [2023-02-18 04:18:48,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 04:18:48,540 INFO L208 MainTranslator]: Completed translation [2023-02-18 04:18:48,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48 WrapperNode [2023-02-18 04:18:48,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 04:18:48,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 04:18:48,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 04:18:48,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 04:18:48,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48" (1/1) ... [2023-02-18 04:18:48,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48" (1/1) ... [2023-02-18 04:18:48,570 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2023-02-18 04:18:48,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 04:18:48,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 04:18:48,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 04:18:48,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 04:18:48,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48" (1/1) ... [2023-02-18 04:18:48,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48" (1/1) ... [2023-02-18 04:18:48,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48" (1/1) ... [2023-02-18 04:18:48,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48" (1/1) ... [2023-02-18 04:18:48,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48" (1/1) ... [2023-02-18 04:18:48,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48" (1/1) ... [2023-02-18 04:18:48,605 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48" (1/1) ... [2023-02-18 04:18:48,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48" (1/1) ... [2023-02-18 04:18:48,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 04:18:48,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 04:18:48,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 04:18:48,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 04:18:48,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48" (1/1) ... [2023-02-18 04:18:48,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 04:18:48,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 04:18:48,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-18 04:18:48,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-18 04:18:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 04:18:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 04:18:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 04:18:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 04:18:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2023-02-18 04:18:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2023-02-18 04:18:48,705 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 04:18:48,706 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 04:18:48,855 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 04:18:48,859 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 04:18:48,859 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-18 04:18:48,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 04:18:48 BoogieIcfgContainer [2023-02-18 04:18:48,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 04:18:48,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 04:18:48,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 04:18:48,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 04:18:48,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 04:18:48" (1/3) ... [2023-02-18 04:18:48,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34293b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 04:18:48, skipping insertion in model container [2023-02-18 04:18:48,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:18:48" (2/3) ... [2023-02-18 04:18:48,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34293b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 04:18:48, skipping insertion in model container [2023-02-18 04:18:48,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 04:18:48" (3/3) ... [2023-02-18 04:18:48,874 INFO L112 eAbstractionObserver]: Analyzing ICFG Addition01-2.c [2023-02-18 04:18:48,884 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 04:18:48,896 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 04:18:48,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 04:18:48,943 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@167f766b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 04:18:48,944 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 04:18:48,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-18 04:18:48,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-18 04:18:48,964 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:18:48,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:18:48,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:18:48,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:18:48,978 INFO L85 PathProgramCache]: Analyzing trace with hash 663264039, now seen corresponding path program 1 times [2023-02-18 04:18:48,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:18:48,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865450921] [2023-02-18 04:18:48,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:18:48,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:18:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:18:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 04:18:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:18:49,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 04:18:49,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:18:49,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865450921] [2023-02-18 04:18:49,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865450921] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 04:18:49,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 04:18:49,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-18 04:18:49,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264785062] [2023-02-18 04:18:49,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 04:18:49,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-18 04:18:49,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:18:49,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-18 04:18:49,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-02-18 04:18:49,492 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 04:18:49,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:18:49,679 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2023-02-18 04:18:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 04:18:49,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-02-18 04:18:49,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:18:49,686 INFO L225 Difference]: With dead ends: 34 [2023-02-18 04:18:49,686 INFO L226 Difference]: Without dead ends: 21 [2023-02-18 04:18:49,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-02-18 04:18:49,690 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 13 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 04:18:49,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 62 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 04:18:49,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-02-18 04:18:49,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-02-18 04:18:49,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-02-18 04:18:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2023-02-18 04:18:49,716 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 12 [2023-02-18 04:18:49,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:18:49,716 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2023-02-18 04:18:49,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 04:18:49,717 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-02-18 04:18:49,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-18 04:18:49,718 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:18:49,718 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:18:49,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 04:18:49,718 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:18:49,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:18:49,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1508496640, now seen corresponding path program 1 times [2023-02-18 04:18:49,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:18:49,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360180504] [2023-02-18 04:18:49,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:18:49,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:18:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:18:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 04:18:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:18:49,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 04:18:49,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:18:49,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360180504] [2023-02-18 04:18:49,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360180504] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 04:18:49,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 04:18:49,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-18 04:18:49,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215687902] [2023-02-18 04:18:49,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 04:18:49,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-18 04:18:49,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:18:49,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-18 04:18:49,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-18 04:18:49,852 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 04:18:49,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:18:49,910 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2023-02-18 04:18:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 04:18:49,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-02-18 04:18:49,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:18:49,911 INFO L225 Difference]: With dead ends: 32 [2023-02-18 04:18:49,911 INFO L226 Difference]: Without dead ends: 18 [2023-02-18 04:18:49,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-18 04:18:49,912 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 14 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 04:18:49,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 39 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 04:18:49,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-02-18 04:18:49,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-02-18 04:18:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 14 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-18 04:18:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2023-02-18 04:18:49,918 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 14 [2023-02-18 04:18:49,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:18:49,919 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2023-02-18 04:18:49,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 04:18:49,919 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-02-18 04:18:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-18 04:18:49,919 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:18:49,920 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:18:49,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 04:18:49,920 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:18:49,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:18:49,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1330690599, now seen corresponding path program 1 times [2023-02-18 04:18:49,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:18:49,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143689905] [2023-02-18 04:18:49,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:18:49,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:18:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:18:49,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 04:18:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:18:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:18:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:18:50,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-18 04:18:50,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:18:50,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143689905] [2023-02-18 04:18:50,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143689905] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 04:18:50,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112985447] [2023-02-18 04:18:50,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:18:50,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:18:50,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 04:18:50,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 04:18:50,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 04:18:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:18:50,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 27 conjunts are in the unsatisfiable core [2023-02-18 04:18:50,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 04:18:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-18 04:18:50,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 04:18:50,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-18 04:18:50,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112985447] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 04:18:50,492 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 04:18:50,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 18 [2023-02-18 04:18:50,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589337415] [2023-02-18 04:18:50,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 04:18:50,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-02-18 04:18:50,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:18:50,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-02-18 04:18:50,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2023-02-18 04:18:50,500 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 18 states, 16 states have (on average 1.625) internal successors, (26), 14 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-02-18 04:18:50,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:18:50,621 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2023-02-18 04:18:50,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-18 04:18:50,621 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 1.625) internal successors, (26), 14 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 19 [2023-02-18 04:18:50,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:18:50,622 INFO L225 Difference]: With dead ends: 23 [2023-02-18 04:18:50,622 INFO L226 Difference]: Without dead ends: 0 [2023-02-18 04:18:50,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 26 SyntacticMatches, 7 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2023-02-18 04:18:50,625 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 14 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 04:18:50,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 52 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 04:18:50,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-18 04:18:50,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-18 04:18:50,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 04:18:50,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-18 04:18:50,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-02-18 04:18:50,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:18:50,629 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 04:18:50,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 1.625) internal successors, (26), 14 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2023-02-18 04:18:50,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-18 04:18:50,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-18 04:18:50,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-18 04:18:50,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-18 04:18:50,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:18:50,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-18 04:18:50,844 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-18 04:18:50,844 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-18 04:18:50,844 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 34) no Hoare annotation was computed. [2023-02-18 04:18:50,844 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-18 04:18:50,845 INFO L902 garLoopResultBuilder]: At program point L28(lines 28 47) the Hoare annotation is: true [2023-02-18 04:18:50,845 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2023-02-18 04:18:50,845 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-02-18 04:18:50,845 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2023-02-18 04:18:50,845 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-18 04:18:50,846 INFO L895 garLoopResultBuilder]: At program point L41(line 41) the Hoare annotation is: (or (not (<= |ULTIMATE.start_main_~n~0#1| 0)) (= |ULTIMATE.start_main_~n~0#1| 0)) [2023-02-18 04:18:50,846 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2023-02-18 04:18:50,846 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 40) no Hoare annotation was computed. [2023-02-18 04:18:50,846 INFO L895 garLoopResultBuilder]: At program point L23(line 23) the Hoare annotation is: (and (= |addition_#in~m| addition_~m) (<= addition_~n 0) (not (= |addition_#in~n| 0)) (= |addition_#in~n| addition_~n)) [2023-02-18 04:18:50,846 INFO L899 garLoopResultBuilder]: For program point L22(lines 22 24) no Hoare annotation was computed. [2023-02-18 04:18:50,846 INFO L899 garLoopResultBuilder]: For program point L23-1(line 23) no Hoare annotation was computed. [2023-02-18 04:18:50,846 INFO L899 garLoopResultBuilder]: For program point additionFINAL(lines 15 25) no Hoare annotation was computed. [2023-02-18 04:18:50,847 INFO L895 garLoopResultBuilder]: At program point L20(line 20) the Hoare annotation is: (and (= |addition_#in~m| addition_~m) (not (= |addition_#in~n| 0)) (<= 0 (+ (- 1) addition_~n)) (= |addition_#in~n| addition_~n)) [2023-02-18 04:18:50,847 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 21) no Hoare annotation was computed. [2023-02-18 04:18:50,847 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2023-02-18 04:18:50,847 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 18) no Hoare annotation was computed. [2023-02-18 04:18:50,847 INFO L899 garLoopResultBuilder]: For program point additionEXIT(lines 15 25) no Hoare annotation was computed. [2023-02-18 04:18:50,847 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 15 25) the Hoare annotation is: true [2023-02-18 04:18:50,854 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-02-18 04:18:50,860 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 04:18:50,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 04:18:50 BoogieIcfgContainer [2023-02-18 04:18:50,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 04:18:50,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 04:18:50,874 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 04:18:50,874 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 04:18:50,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 04:18:48" (3/4) ... [2023-02-18 04:18:50,878 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-18 04:18:50,883 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure addition [2023-02-18 04:18:50,888 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-02-18 04:18:50,888 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-02-18 04:18:50,888 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-18 04:18:50,889 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-18 04:18:50,917 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 04:18:50,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 04:18:50,918 INFO L158 Benchmark]: Toolchain (without parser) took 2534.32ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 99.2MB in the beginning and 87.2MB in the end (delta: 11.9MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2023-02-18 04:18:50,918 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 04:18:50,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 155.09ms. Allocated memory is still 134.2MB. Free memory was 98.9MB in the beginning and 89.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 04:18:50,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.29ms. Allocated memory is still 134.2MB. Free memory was 88.8MB in the beginning and 87.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 04:18:50,918 INFO L158 Benchmark]: Boogie Preprocessor took 40.10ms. Allocated memory is still 134.2MB. Free memory was 87.4MB in the beginning and 86.5MB in the end (delta: 984.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 04:18:50,919 INFO L158 Benchmark]: RCFGBuilder took 251.47ms. Allocated memory is still 134.2MB. Free memory was 86.5MB in the beginning and 76.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 04:18:50,919 INFO L158 Benchmark]: TraceAbstraction took 2009.64ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 76.0MB in the beginning and 90.4MB in the end (delta: -14.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-02-18 04:18:50,919 INFO L158 Benchmark]: Witness Printer took 43.64ms. Allocated memory is still 167.8MB. Free memory was 90.4MB in the beginning and 87.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 04:18:50,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 155.09ms. Allocated memory is still 134.2MB. Free memory was 98.9MB in the beginning and 89.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.29ms. Allocated memory is still 134.2MB. Free memory was 88.8MB in the beginning and 87.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.10ms. Allocated memory is still 134.2MB. Free memory was 87.4MB in the beginning and 86.5MB in the end (delta: 984.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 251.47ms. Allocated memory is still 134.2MB. Free memory was 86.5MB in the beginning and 76.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2009.64ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 76.0MB in the beginning and 90.4MB in the end (delta: -14.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Witness Printer took 43.64ms. Allocated memory is still 167.8MB. Free memory was 90.4MB in the beginning and 87.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 45]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 153 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 109 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 210 IncrementalHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 44 mSDtfsCounter, 210 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 34 SyntacticMatches, 9 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 11 PreInvPairs, 13 NumberOfFragments, 40 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 667 SizeOfPredicates, 9 NumberOfNonLiveVariables, 77 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 4/12 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-02-18 04:18:50,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE