./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/lu.cmp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 574ddb4e 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/loops/lu.cmp.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 9f7b9e2e2452a973cdb1a73a9c368f26d19387c763b2be4ad10c01e7a31f6598 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 15:13:39,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 15:13:39,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 15:13:39,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 15:13:39,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 15:13:39,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 15:13:39,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 15:13:39,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 15:13:39,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 15:13:39,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 15:13:39,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 15:13:39,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 15:13:39,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 15:13:39,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 15:13:39,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 15:13:39,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 15:13:39,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 15:13:39,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 15:13:39,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 15:13:39,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 15:13:39,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 15:13:39,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 15:13:39,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 15:13:39,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 15:13:39,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 15:13:39,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 15:13:39,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 15:13:39,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 15:13:39,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 15:13:39,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 15:13:39,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 15:13:39,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 15:13:39,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 15:13:39,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 15:13:39,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 15:13:39,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 15:13:39,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 15:13:39,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 15:13:39,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 15:13:39,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 15:13:39,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 15:13:39,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-18 15:13:39,150 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 15:13:39,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 15:13:39,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 15:13:39,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 15:13:39,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 15:13:39,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 15:13:39,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 15:13:39,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 15:13:39,153 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 15:13:39,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 15:13:39,153 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 15:13:39,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 15:13:39,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 15:13:39,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 15:13:39,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 15:13:39,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 15:13:39,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 15:13:39,154 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 15:13:39,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 15:13:39,155 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 15:13:39,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 15:13:39,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 15:13:39,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 15:13:39,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 15:13:39,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 15:13:39,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 15:13:39,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 15:13:39,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 15:13:39,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 15:13:39,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 15:13:39,156 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 15:13:39,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 15:13:39,157 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 15:13:39,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 15:13:39,157 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 15:13:39,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f7b9e2e2452a973cdb1a73a9c368f26d19387c763b2be4ad10c01e7a31f6598 [2023-02-18 15:13:39,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 15:13:39,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 15:13:39,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 15:13:39,358 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 15:13:39,358 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 15:13:39,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/lu.cmp.c [2023-02-18 15:13:40,240 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 15:13:40,397 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 15:13:40,398 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/lu.cmp.c [2023-02-18 15:13:40,402 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c1e96715/a8b9e4c5afae4f31a7e62a7422d13db7/FLAGcaad5f39e [2023-02-18 15:13:40,411 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c1e96715/a8b9e4c5afae4f31a7e62a7422d13db7 [2023-02-18 15:13:40,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 15:13:40,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 15:13:40,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 15:13:40,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 15:13:40,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 15:13:40,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:13:40" (1/1) ... [2023-02-18 15:13:40,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70551418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40, skipping insertion in model container [2023-02-18 15:13:40,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:13:40" (1/1) ... [2023-02-18 15:13:40,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 15:13:40,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 15:13:40,513 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/loops/lu.cmp.c[318,331] [2023-02-18 15:13:40,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 15:13:40,539 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 15:13:40,546 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/loops/lu.cmp.c[318,331] [2023-02-18 15:13:40,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 15:13:40,580 INFO L208 MainTranslator]: Completed translation [2023-02-18 15:13:40,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40 WrapperNode [2023-02-18 15:13:40,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 15:13:40,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 15:13:40,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 15:13:40,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 15:13:40,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40" (1/1) ... [2023-02-18 15:13:40,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40" (1/1) ... [2023-02-18 15:13:40,633 INFO L138 Inliner]: procedures = 17, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 224 [2023-02-18 15:13:40,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 15:13:40,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 15:13:40,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 15:13:40,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 15:13:40,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40" (1/1) ... [2023-02-18 15:13:40,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40" (1/1) ... [2023-02-18 15:13:40,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40" (1/1) ... [2023-02-18 15:13:40,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40" (1/1) ... [2023-02-18 15:13:40,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40" (1/1) ... [2023-02-18 15:13:40,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40" (1/1) ... [2023-02-18 15:13:40,681 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40" (1/1) ... [2023-02-18 15:13:40,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40" (1/1) ... [2023-02-18 15:13:40,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 15:13:40,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 15:13:40,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 15:13:40,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 15:13:40,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40" (1/1) ... [2023-02-18 15:13:40,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 15:13:40,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 15:13:40,716 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 15:13:40,732 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 15:13:40,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 15:13:40,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 15:13:40,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-18 15:13:40,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-02-18 15:13:40,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-02-18 15:13:40,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 15:13:40,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 15:13:40,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-18 15:13:40,798 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 15:13:40,800 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 15:13:41,031 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 15:13:41,035 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 15:13:41,035 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2023-02-18 15:13:41,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:13:41 BoogieIcfgContainer [2023-02-18 15:13:41,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 15:13:41,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 15:13:41,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 15:13:41,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 15:13:41,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 03:13:40" (1/3) ... [2023-02-18 15:13:41,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe111f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:13:41, skipping insertion in model container [2023-02-18 15:13:41,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:13:40" (2/3) ... [2023-02-18 15:13:41,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe111f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:13:41, skipping insertion in model container [2023-02-18 15:13:41,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:13:41" (3/3) ... [2023-02-18 15:13:41,043 INFO L112 eAbstractionObserver]: Analyzing ICFG lu.cmp.c [2023-02-18 15:13:41,054 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 15:13:41,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 15:13:41,094 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 15:13:41,099 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;@68df401f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 15:13:41,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 15:13:41,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 48 states have (on average 1.6041666666666667) internal successors, (77), 49 states have internal predecessors, (77), 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 15:13:41,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-18 15:13:41,107 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:13:41,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-18 15:13:41,108 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:13:41,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:13:41,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1809811384, now seen corresponding path program 1 times [2023-02-18 15:13:41,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:13:41,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652053028] [2023-02-18 15:13:41,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:13:41,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:13:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:13:41,316 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 15:13:41,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:13:41,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652053028] [2023-02-18 15:13:41,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652053028] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 15:13:41,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 15:13:41,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 15:13:41,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865568520] [2023-02-18 15:13:41,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 15:13:41,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 15:13:41,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:13:41,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 15:13:41,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-18 15:13:41,356 INFO L87 Difference]: Start difference. First operand has 50 states, 48 states have (on average 1.6041666666666667) internal successors, (77), 49 states have internal predecessors, (77), 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) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 15:13:41,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:13:41,448 INFO L93 Difference]: Finished difference Result 102 states and 159 transitions. [2023-02-18 15:13:41,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 15:13:41,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) Word has length 7 [2023-02-18 15:13:41,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:13:41,455 INFO L225 Difference]: With dead ends: 102 [2023-02-18 15:13:41,478 INFO L226 Difference]: Without dead ends: 17 [2023-02-18 15:13:41,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-18 15:13:41,485 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 67 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 15:13:41,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 114 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 15:13:41,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-02-18 15:13:41,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14. [2023-02-18 15:13:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 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 15:13:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2023-02-18 15:13:41,509 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 7 [2023-02-18 15:13:41,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:13:41,509 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2023-02-18 15:13:41,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 15:13:41,509 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-02-18 15:13:41,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 15:13:41,511 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:13:41,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 15:13:41,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 15:13:41,512 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:13:41,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:13:41,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1948892579, now seen corresponding path program 1 times [2023-02-18 15:13:41,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:13:41,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469179193] [2023-02-18 15:13:41,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:13:41,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:13:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:13:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-18 15:13:41,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:13:41,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469179193] [2023-02-18 15:13:41,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469179193] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 15:13:41,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 15:13:41,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 15:13:41,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355627490] [2023-02-18 15:13:41,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 15:13:41,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 15:13:41,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:13:41,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 15:13:41,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 15:13:41,653 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 15:13:41,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:13:41,696 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2023-02-18 15:13:41,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 15:13:41,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) Word has length 11 [2023-02-18 15:13:41,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:13:41,698 INFO L225 Difference]: With dead ends: 26 [2023-02-18 15:13:41,698 INFO L226 Difference]: Without dead ends: 24 [2023-02-18 15:13:41,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 15:13:41,699 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 16 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 15:13:41,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 28 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 15:13:41,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-02-18 15:13:41,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2023-02-18 15:13:41,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 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 15:13:41,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-02-18 15:13:41,707 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 11 [2023-02-18 15:13:41,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:13:41,707 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-02-18 15:13:41,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 15:13:41,708 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-02-18 15:13:41,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-02-18 15:13:41,709 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:13:41,709 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 15:13:41,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 15:13:41,709 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:13:41,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:13:41,724 INFO L85 PathProgramCache]: Analyzing trace with hash -2121905774, now seen corresponding path program 1 times [2023-02-18 15:13:41,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:13:41,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925600039] [2023-02-18 15:13:41,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:13:41,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:13:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:13:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-18 15:13:41,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:13:41,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925600039] [2023-02-18 15:13:41,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925600039] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 15:13:41,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226909119] [2023-02-18 15:13:41,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:13:41,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:13:41,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 15:13:41,864 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 15:13:41,877 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 15:13:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:13:41,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-18 15:13:41,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 15:13:41,991 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-18 15:13:41,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 15:13:42,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-18 15:13:42,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226909119] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 15:13:42,013 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 15:13:42,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-02-18 15:13:42,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719283688] [2023-02-18 15:13:42,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 15:13:42,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-18 15:13:42,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:13:42,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-18 15:13:42,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-02-18 15:13:42,015 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 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 15:13:42,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:13:42,148 INFO L93 Difference]: Finished difference Result 84 states and 111 transitions. [2023-02-18 15:13:42,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-02-18 15:13:42,149 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 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) Word has length 21 [2023-02-18 15:13:42,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:13:42,150 INFO L225 Difference]: With dead ends: 84 [2023-02-18 15:13:42,150 INFO L226 Difference]: Without dead ends: 70 [2023-02-18 15:13:42,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=201, Invalid=501, Unknown=0, NotChecked=0, Total=702 [2023-02-18 15:13:42,152 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 167 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 15:13:42,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 32 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 15:13:42,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-02-18 15:13:42,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2023-02-18 15:13:42,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.2388059701492538) internal successors, (83), 67 states have internal predecessors, (83), 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 15:13:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 83 transitions. [2023-02-18 15:13:42,159 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 83 transitions. Word has length 21 [2023-02-18 15:13:42,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:13:42,160 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 83 transitions. [2023-02-18 15:13:42,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 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 15:13:42,160 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2023-02-18 15:13:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-02-18 15:13:42,164 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:13:42,165 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1] [2023-02-18 15:13:42,174 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 15:13:42,375 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 15:13:42,375 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:13:42,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:13:42,377 INFO L85 PathProgramCache]: Analyzing trace with hash -139112542, now seen corresponding path program 1 times [2023-02-18 15:13:42,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:13:42,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345961574] [2023-02-18 15:13:42,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:13:42,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:13:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:13:42,628 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 146 proven. 4 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-02-18 15:13:42,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:13:42,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345961574] [2023-02-18 15:13:42,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345961574] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 15:13:42,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937612501] [2023-02-18 15:13:42,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:13:42,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:13:42,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 15:13:42,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 15:13:42,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-18 15:13:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:13:42,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-18 15:13:42,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 15:13:42,896 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 148 proven. 28 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-02-18 15:13:42,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 15:13:42,944 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 148 proven. 28 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-02-18 15:13:42,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937612501] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 15:13:42,945 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 15:13:42,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18 [2023-02-18 15:13:42,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049401875] [2023-02-18 15:13:42,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 15:13:42,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-02-18 15:13:42,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:13:42,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-02-18 15:13:42,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2023-02-18 15:13:42,951 INFO L87 Difference]: Start difference. First operand 68 states and 83 transitions. Second operand has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 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 15:13:43,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:13:43,101 INFO L93 Difference]: Finished difference Result 205 states and 253 transitions. [2023-02-18 15:13:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-18 15:13:43,101 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 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) Word has length 67 [2023-02-18 15:13:43,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:13:43,102 INFO L225 Difference]: With dead ends: 205 [2023-02-18 15:13:43,102 INFO L226 Difference]: Without dead ends: 0 [2023-02-18 15:13:43,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=327, Invalid=665, Unknown=0, NotChecked=0, Total=992 [2023-02-18 15:13:43,107 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 56 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 15:13:43,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 26 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 15:13:43,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-18 15:13:43,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-18 15:13:43,110 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 15:13:43,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-18 15:13:43,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2023-02-18 15:13:43,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:13:43,110 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 15:13:43,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 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 15:13:43,110 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-18 15:13:43,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-18 15:13:43,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-18 15:13:43,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-18 15:13:43,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-02-18 15:13:43,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-18 15:13:43,326 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 104) no Hoare annotation was computed. [2023-02-18 15:13:43,326 INFO L895 garLoopResultBuilder]: At program point L93-3(lines 93 104) the Hoare annotation is: (let ((.cse0 (>= |ULTIMATE.start_main_~n~0#1| 5)) (.cse1 (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0)) (.cse2 (not (= 0 |ULTIMATE.start___VERIFIER_assert_~cond#1|)))) (or (and .cse0 .cse1 .cse2) (let ((.cse3 (= |ULTIMATE.start_main_~i~0#1| 0))) (and (or (not (<= (+ (* (- 1) |ULTIMATE.start_main_~i~0#1|) 50) 0)) .cse3) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) .cse3)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 1) .cse2))) [2023-02-18 15:13:43,326 INFO L899 garLoopResultBuilder]: For program point L93-4(lines 93 104) no Hoare annotation was computed. [2023-02-18 15:13:43,327 INFO L899 garLoopResultBuilder]: For program point L118-2(lines 118 136) no Hoare annotation was computed. [2023-02-18 15:13:43,327 INFO L895 garLoopResultBuilder]: At program point L118-3(lines 118 136) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-18 15:13:43,328 INFO L899 garLoopResultBuilder]: For program point L118-4(lines 118 136) no Hoare annotation was computed. [2023-02-18 15:13:43,328 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 85 109) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-18 15:13:43,328 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-18 15:13:43,328 INFO L899 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2023-02-18 15:13:43,328 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-18 15:13:43,328 INFO L899 garLoopResultBuilder]: For program point L129-2(lines 129 135) no Hoare annotation was computed. [2023-02-18 15:13:43,329 INFO L899 garLoopResultBuilder]: For program point L96-2(lines 96 101) no Hoare annotation was computed. [2023-02-18 15:13:43,329 INFO L895 garLoopResultBuilder]: At program point L129-3(lines 129 135) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-18 15:13:43,329 INFO L895 garLoopResultBuilder]: At program point L96-3(lines 96 101) the Hoare annotation is: (let ((.cse12 (= |ULTIMATE.start_main_~i~0#1| 0)) (.cse15 (+ |ULTIMATE.start_main_~j~0#1| (- 1)))) (let ((.cse11 (<= .cse15 1)) (.cse0 (<= |ULTIMATE.start_main_~j~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~j~0#1| 0)) (.cse7 (< (+ |ULTIMATE.start_main_~j~0#1| 1) (+ |ULTIMATE.start_main_~n~0#1| 1))) (.cse14 (<= .cse15 3)) (.cse8 (<= |ULTIMATE.start_main_~i~0#1| 1)) (.cse5 (not (= 0 |ULTIMATE.start___VERIFIER_assert_~cond#1|))) (.cse9 (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~n~0#1|)) (.cse6 (<= .cse15 2)) (.cse13 (<= .cse15 0)) (.cse10 (or (not (<= (+ (* (- 1) |ULTIMATE.start_main_~i~0#1|) 50) 0)) .cse12)) (.cse1 (>= |ULTIMATE.start_main_~n~0#1| 5)) (.cse3 (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0)) (.cse4 (<= |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse3 .cse4 .cse7 .cse8 .cse5) (and .cse1 .cse6 .cse3 .cse4 .cse5 .cse9) (and .cse10 .cse1 .cse11 .cse3 .cse4 .cse12 .cse13) (and .cse10 .cse1 .cse6 .cse3 .cse4 .cse7 .cse12) (and .cse1 .cse3 .cse4 .cse5 .cse9) (and .cse1 .cse11 .cse3 .cse4 .cse7 .cse8 .cse5) (and .cse1 .cse3 .cse14 .cse4 .cse8 .cse5) (and .cse10 .cse0 .cse1 .cse2 .cse3 .cse4 .cse12) (and .cse10 .cse1 .cse11 .cse3 .cse4 .cse7 .cse12) (and .cse10 .cse1 .cse3 .cse4 .cse12 .cse13 .cse9) (and .cse1 .cse11 .cse3 .cse4 .cse7 .cse5) (and .cse1 .cse3 .cse14 .cse4 .cse5) (and .cse10 .cse1 .cse6 .cse3 .cse4 .cse12 .cse9) (and .cse10 .cse1 .cse3 .cse4 .cse7 .cse12 .cse9) (and .cse1 .cse6 .cse3 .cse4 .cse8 .cse5 .cse9) (and .cse1 .cse3 .cse4 .cse5) (and .cse1 .cse3 .cse4 .cse7 .cse8 .cse5) (and .cse1 .cse3 .cse4 .cse7 .cse8 .cse5 .cse9) (and .cse1 .cse3 .cse4 .cse8 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse8 .cse5) (and .cse1 .cse3 .cse14 .cse4 .cse7 .cse8 .cse5) (and .cse10 .cse1 .cse3 .cse14 .cse4 .cse12 .cse13) (and .cse1 .cse3 .cse4 .cse8 .cse13 .cse5) (and .cse1 .cse3 .cse4 .cse13 .cse5) (and .cse10 .cse1 .cse3 .cse14 .cse4 .cse12) (and .cse10 .cse1 .cse3 .cse14 .cse4 .cse7 .cse12) (and .cse10 .cse1 .cse3 .cse4 .cse12 .cse9) (and .cse10 .cse1 .cse3 .cse4 .cse12 .cse13) (and .cse1 .cse3 .cse14 .cse4 .cse8 .cse5 .cse9) (and .cse10 .cse1 .cse3 .cse4 .cse7 .cse12) (and .cse10 .cse1 .cse3 .cse14 .cse4 .cse12 .cse9) (and .cse1 .cse3 .cse4 .cse8 .cse5 .cse9) (and .cse10 .cse1 .cse6 .cse3 .cse4 .cse12 .cse13) (and .cse10 .cse1 .cse3 .cse4 .cse12)))) [2023-02-18 15:13:43,329 INFO L899 garLoopResultBuilder]: For program point L96-4(lines 96 101) no Hoare annotation was computed. [2023-02-18 15:13:43,330 INFO L899 garLoopResultBuilder]: For program point L121-2(lines 121 128) no Hoare annotation was computed. [2023-02-18 15:13:43,330 INFO L895 garLoopResultBuilder]: At program point L121-3(lines 121 128) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-18 15:13:43,330 INFO L899 garLoopResultBuilder]: For program point L121-4(lines 121 128) no Hoare annotation was computed. [2023-02-18 15:13:43,330 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 81) no Hoare annotation was computed. [2023-02-18 15:13:43,330 INFO L899 garLoopResultBuilder]: For program point L146-2(lines 146 152) no Hoare annotation was computed. [2023-02-18 15:13:43,330 INFO L895 garLoopResultBuilder]: At program point L146-3(lines 146 152) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-18 15:13:43,330 INFO L899 garLoopResultBuilder]: For program point L80-2(lines 80 81) no Hoare annotation was computed. [2023-02-18 15:13:43,330 INFO L899 garLoopResultBuilder]: For program point L146-4(lines 146 152) no Hoare annotation was computed. [2023-02-18 15:13:43,330 INFO L899 garLoopResultBuilder]: For program point L138-2(lines 138 144) no Hoare annotation was computed. [2023-02-18 15:13:43,331 INFO L895 garLoopResultBuilder]: At program point L138-3(lines 138 144) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-18 15:13:43,331 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2023-02-18 15:13:43,331 INFO L899 garLoopResultBuilder]: For program point L138-4(lines 138 144) no Hoare annotation was computed. [2023-02-18 15:13:43,331 INFO L895 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_main_~i~0#1| 0)) (.cse0 (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0)) (.cse3 (not (= 0 |ULTIMATE.start___VERIFIER_assert_~cond#1|)))) (let ((.cse1 (>= |ULTIMATE.start_main_~n~0#1| 5)) (.cse4 (<= |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|)) (.cse2 (or (and (or (not (<= (+ (* (- 1) |ULTIMATE.start_main_~i~0#1|) 50) 0)) .cse5) .cse0 .cse3) (and .cse0 .cse3)))) (or (and .cse0 (or (and .cse1 .cse2 (<= |ULTIMATE.start_main_~i~0#1| 1) .cse3) (and .cse1 .cse2 .cse3)) .cse4 .cse3) (and .cse1 .cse0 .cse4 .cse2 .cse5 .cse3)))) [2023-02-18 15:13:43,331 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2023-02-18 15:13:43,331 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-18 15:13:43,331 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2023-02-18 15:13:43,332 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-02-18 15:13:43,332 INFO L899 garLoopResultBuilder]: For program point L132-2(lines 132 133) no Hoare annotation was computed. [2023-02-18 15:13:43,332 INFO L899 garLoopResultBuilder]: For program point L99-2(line 99) no Hoare annotation was computed. [2023-02-18 15:13:43,332 INFO L895 garLoopResultBuilder]: At program point L132-3(lines 132 133) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-18 15:13:43,332 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-18 15:13:43,332 INFO L899 garLoopResultBuilder]: For program point L132-4(lines 132 133) no Hoare annotation was computed. [2023-02-18 15:13:43,332 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 126) no Hoare annotation was computed. [2023-02-18 15:13:43,332 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 126) no Hoare annotation was computed. [2023-02-18 15:13:43,332 INFO L899 garLoopResultBuilder]: For program point L149-2(lines 149 150) no Hoare annotation was computed. [2023-02-18 15:13:43,333 INFO L895 garLoopResultBuilder]: At program point L149-3(lines 149 150) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-18 15:13:43,333 INFO L899 garLoopResultBuilder]: For program point L149-4(lines 149 150) no Hoare annotation was computed. [2023-02-18 15:13:43,333 INFO L895 garLoopResultBuilder]: At program point ludcmp_returnLabel#1(lines 111 155) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-18 15:13:43,333 INFO L899 garLoopResultBuilder]: For program point L141-2(lines 141 142) no Hoare annotation was computed. [2023-02-18 15:13:43,333 INFO L895 garLoopResultBuilder]: At program point L141-3(lines 141 142) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-18 15:13:43,333 INFO L899 garLoopResultBuilder]: For program point L141-4(lines 141 142) no Hoare annotation was computed. [2023-02-18 15:13:43,333 INFO L899 garLoopResultBuilder]: For program point L125-2(lines 125 126) no Hoare annotation was computed. [2023-02-18 15:13:43,333 INFO L895 garLoopResultBuilder]: At program point L125-3(lines 125 126) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-18 15:13:43,334 INFO L899 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2023-02-18 15:13:43,334 INFO L895 garLoopResultBuilder]: At program point fabs_returnLabel#1(lines 76 83) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-18 15:13:43,336 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-02-18 15:13:43,337 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 15:13:43,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 03:13:43 BoogieIcfgContainer [2023-02-18 15:13:43,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 15:13:43,383 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 15:13:43,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 15:13:43,384 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 15:13:43,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:13:41" (3/4) ... [2023-02-18 15:13:43,386 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-18 15:13:43,410 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-02-18 15:13:43,410 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-02-18 15:13:43,410 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-18 15:13:43,410 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-18 15:13:43,463 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 15:13:43,463 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 15:13:43,464 INFO L158 Benchmark]: Toolchain (without parser) took 3050.16ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 121.9MB in the beginning and 177.2MB in the end (delta: -55.3MB). Peak memory consumption was 875.4kB. Max. memory is 16.1GB. [2023-02-18 15:13:43,464 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 15:13:43,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.81ms. Allocated memory is still 159.4MB. Free memory was 121.9MB in the beginning and 109.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 15:13:43,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.43ms. Allocated memory is still 159.4MB. Free memory was 109.9MB in the beginning and 107.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-18 15:13:43,465 INFO L158 Benchmark]: Boogie Preprocessor took 48.97ms. Allocated memory is still 159.4MB. Free memory was 107.2MB in the beginning and 105.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 15:13:43,465 INFO L158 Benchmark]: RCFGBuilder took 352.88ms. Allocated memory is still 159.4MB. Free memory was 105.7MB in the beginning and 89.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-02-18 15:13:43,465 INFO L158 Benchmark]: TraceAbstraction took 2344.73ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 88.9MB in the beginning and 181.3MB in the end (delta: -92.4MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-02-18 15:13:43,465 INFO L158 Benchmark]: Witness Printer took 80.12ms. Allocated memory is still 213.9MB. Free memory was 181.3MB in the beginning and 177.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-18 15:13:43,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 166.81ms. Allocated memory is still 159.4MB. Free memory was 121.9MB in the beginning and 109.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.43ms. Allocated memory is still 159.4MB. Free memory was 109.9MB in the beginning and 107.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.97ms. Allocated memory is still 159.4MB. Free memory was 107.2MB in the beginning and 105.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 352.88ms. Allocated memory is still 159.4MB. Free memory was 105.7MB in the beginning and 89.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2344.73ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 88.9MB in the beginning and 181.3MB in the end (delta: -92.4MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Witness Printer took 80.12ms. Allocated memory is still 213.9MB. Free memory was 181.3MB in the beginning and 177.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 7]: 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 1 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 306 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 306 mSDsluCounter, 200 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 243 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 82 mSDtfsCounter, 243 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 223 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=3, InterpolantAutomatonStates: 45, 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, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 67 NumberOfFragments, 1295 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 1010 SizeOfPredicates, 4 NumberOfNonLiveVariables, 456 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 907/979 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: 5]: Loop Invariant Derived loop invariant: (((n + -5 == 0 && ((((n >= 5 && ((((!(-1 * i + 50 <= 0) || i == 0) && n + -5 == 0) && !(0 == cond)) || (n + -5 == 0 && !(0 == cond)))) && i <= 1) && !(0 == cond)) || ((n >= 5 && ((((!(-1 * i + 50 <= 0) || i == 0) && n + -5 == 0) && !(0 == cond)) || (n + -5 == 0 && !(0 == cond)))) && !(0 == cond)))) && i <= n) && !(0 == cond)) || (((((n >= 5 && n + -5 == 0) && i <= n) && ((((!(-1 * i + 50 <= 0) || i == 0) && n + -5 == 0) && !(0 == cond)) || (n + -5 == 0 && !(0 == cond)))) && i == 0) && !(0 == cond)) - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: (((n >= 5 && n + -5 == 0) && !(0 == cond)) || (((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && n + -5 == 0) && i <= n) && i == 0)) || (((n >= 5 && n + -5 == 0) && i <= 1) && !(0 == cond)) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: n + -5 == 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: n + -5 == 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: n + -5 == 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: n + -5 == 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: n + -5 == 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((j <= 0 && n >= 5) && j == 0) && n + -5 == 0) && i <= n) && !(0 == cond)) || ((((((n >= 5 && j + -1 <= 2) && n + -5 == 0) && i <= n) && j + 1 < n + 1) && i <= 1) && !(0 == cond))) || (((((n >= 5 && j + -1 <= 2) && n + -5 == 0) && i <= n) && !(0 == cond)) && j <= n)) || (((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && j + -1 <= 1) && n + -5 == 0) && i <= n) && i == 0) && j + -1 <= 0)) || (((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && j + -1 <= 2) && n + -5 == 0) && i <= n) && j + 1 < n + 1) && i == 0)) || ((((n >= 5 && n + -5 == 0) && i <= n) && !(0 == cond)) && j <= n)) || ((((((n >= 5 && j + -1 <= 1) && n + -5 == 0) && i <= n) && j + 1 < n + 1) && i <= 1) && !(0 == cond))) || (((((n >= 5 && n + -5 == 0) && j + -1 <= 3) && i <= n) && i <= 1) && !(0 == cond))) || (((((((!(-1 * i + 50 <= 0) || i == 0) && j <= 0) && n >= 5) && j == 0) && n + -5 == 0) && i <= n) && i == 0)) || (((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && j + -1 <= 1) && n + -5 == 0) && i <= n) && j + 1 < n + 1) && i == 0)) || (((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && n + -5 == 0) && i <= n) && i == 0) && j + -1 <= 0) && j <= n)) || (((((n >= 5 && j + -1 <= 1) && n + -5 == 0) && i <= n) && j + 1 < n + 1) && !(0 == cond))) || ((((n >= 5 && n + -5 == 0) && j + -1 <= 3) && i <= n) && !(0 == cond))) || (((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && j + -1 <= 2) && n + -5 == 0) && i <= n) && i == 0) && j <= n)) || (((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && n + -5 == 0) && i <= n) && j + 1 < n + 1) && i == 0) && j <= n)) || ((((((n >= 5 && j + -1 <= 2) && n + -5 == 0) && i <= n) && i <= 1) && !(0 == cond)) && j <= n)) || (((n >= 5 && n + -5 == 0) && i <= n) && !(0 == cond))) || (((((n >= 5 && n + -5 == 0) && i <= n) && j + 1 < n + 1) && i <= 1) && !(0 == cond))) || ((((((n >= 5 && n + -5 == 0) && i <= n) && j + 1 < n + 1) && i <= 1) && !(0 == cond)) && j <= n)) || ((((n >= 5 && n + -5 == 0) && i <= n) && i <= 1) && !(0 == cond))) || ((((((j <= 0 && n >= 5) && j == 0) && n + -5 == 0) && i <= n) && i <= 1) && !(0 == cond))) || ((((((n >= 5 && n + -5 == 0) && j + -1 <= 3) && i <= n) && j + 1 < n + 1) && i <= 1) && !(0 == cond))) || (((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && n + -5 == 0) && j + -1 <= 3) && i <= n) && i == 0) && j + -1 <= 0)) || (((((n >= 5 && n + -5 == 0) && i <= n) && i <= 1) && j + -1 <= 0) && !(0 == cond))) || ((((n >= 5 && n + -5 == 0) && i <= n) && j + -1 <= 0) && !(0 == cond))) || ((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && n + -5 == 0) && j + -1 <= 3) && i <= n) && i == 0)) || (((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && n + -5 == 0) && j + -1 <= 3) && i <= n) && j + 1 < n + 1) && i == 0)) || ((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && n + -5 == 0) && i <= n) && i == 0) && j <= n)) || ((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && n + -5 == 0) && i <= n) && i == 0) && j + -1 <= 0)) || ((((((n >= 5 && n + -5 == 0) && j + -1 <= 3) && i <= n) && i <= 1) && !(0 == cond)) && j <= n)) || ((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && n + -5 == 0) && i <= n) && j + 1 < n + 1) && i == 0)) || (((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && n + -5 == 0) && j + -1 <= 3) && i <= n) && i == 0) && j <= n)) || (((((n >= 5 && n + -5 == 0) && i <= n) && i <= 1) && !(0 == cond)) && j <= n)) || (((((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && j + -1 <= 2) && n + -5 == 0) && i <= n) && i == 0) && j + -1 <= 0)) || (((((!(-1 * i + 50 <= 0) || i == 0) && n >= 5) && n + -5 == 0) && i <= n) && i == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: n + -5 == 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: n + -5 == 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: n + -5 == 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: n + -5 == 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: n + -5 == 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: n + -5 == 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: n + -5 == 0 RESULT: Ultimate proved your program to be correct! [2023-02-18 15:13:43,496 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