./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 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/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-?-26d01a9 [2023-02-17 23:50:40,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 23:50:40,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 23:50:40,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 23:50:40,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 23:50:40,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 23:50:40,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 23:50:40,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 23:50:40,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 23:50:40,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 23:50:40,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 23:50:40,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 23:50:40,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 23:50:40,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 23:50:40,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 23:50:40,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 23:50:40,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 23:50:40,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 23:50:40,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 23:50:40,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 23:50:40,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 23:50:40,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 23:50:40,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 23:50:40,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 23:50:40,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 23:50:40,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 23:50:40,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 23:50:40,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 23:50:40,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 23:50:40,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 23:50:40,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 23:50:40,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 23:50:40,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 23:50:40,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 23:50:40,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 23:50:40,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 23:50:40,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 23:50:40,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 23:50:40,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 23:50:40,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 23:50:40,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 23:50:40,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-17 23:50:40,608 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 23:50:40,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 23:50:40,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 23:50:40,609 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 23:50:40,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 23:50:40,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 23:50:40,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 23:50:40,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 23:50:40,610 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 23:50:40,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 23:50:40,610 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-17 23:50:40,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 23:50:40,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-17 23:50:40,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 23:50:40,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 23:50:40,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 23:50:40,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 23:50:40,611 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-17 23:50:40,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 23:50:40,611 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 23:50:40,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 23:50:40,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 23:50:40,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 23:50:40,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 23:50:40,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 23:50:40,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 23:50:40,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 23:50:40,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 23:50:40,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 23:50:40,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 23:50:40,613 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 23:50:40,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 23:50:40,613 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 23:50:40,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 23:50:40,614 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 23:50:40,614 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f7b9e2e2452a973cdb1a73a9c368f26d19387c763b2be4ad10c01e7a31f6598 [2023-02-17 23:50:40,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 23:50:40,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 23:50:40,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 23:50:40,799 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 23:50:40,799 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 23:50:40,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/lu.cmp.c [2023-02-17 23:50:41,745 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 23:50:41,918 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 23:50:41,918 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/lu.cmp.c [2023-02-17 23:50:41,922 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c880845/d0b2f1d26ff14871bb4ee57d20290942/FLAGad7d86c15 [2023-02-17 23:50:41,931 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c880845/d0b2f1d26ff14871bb4ee57d20290942 [2023-02-17 23:50:41,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 23:50:41,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 23:50:41,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 23:50:41,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 23:50:41,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 23:50:41,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 11:50:41" (1/1) ... [2023-02-17 23:50:41,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afb0450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:41, skipping insertion in model container [2023-02-17 23:50:41,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 11:50:41" (1/1) ... [2023-02-17 23:50:41,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 23:50:41,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 23:50:42,047 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] [2023-02-17 23:50:42,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 23:50:42,078 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 23:50:42,085 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] [2023-02-17 23:50:42,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 23:50:42,107 INFO L208 MainTranslator]: Completed translation [2023-02-17 23:50:42,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:42 WrapperNode [2023-02-17 23:50:42,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 23:50:42,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 23:50:42,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 23:50:42,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 23:50:42,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:42" (1/1) ... [2023-02-17 23:50:42,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:42" (1/1) ... [2023-02-17 23:50:42,144 INFO L138 Inliner]: procedures = 17, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 224 [2023-02-17 23:50:42,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 23:50:42,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 23:50:42,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 23:50:42,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 23:50:42,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:42" (1/1) ... [2023-02-17 23:50:42,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:42" (1/1) ... [2023-02-17 23:50:42,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:42" (1/1) ... [2023-02-17 23:50:42,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:42" (1/1) ... [2023-02-17 23:50:42,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:42" (1/1) ... [2023-02-17 23:50:42,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:42" (1/1) ... [2023-02-17 23:50:42,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:42" (1/1) ... [2023-02-17 23:50:42,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:42" (1/1) ... [2023-02-17 23:50:42,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 23:50:42,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 23:50:42,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 23:50:42,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 23:50:42,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:42" (1/1) ... [2023-02-17 23:50:42,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 23:50:42,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 23:50:42,189 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) [2023-02-17 23:50:42,191 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 [2023-02-17 23:50:42,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-17 23:50:42,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-17 23:50:42,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-17 23:50:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-02-17 23:50:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-02-17 23:50:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 23:50:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 23:50:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-17 23:50:42,267 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 23:50:42,268 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 23:50:42,567 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 23:50:42,572 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 23:50:42,572 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2023-02-17 23:50:42,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 11:50:42 BoogieIcfgContainer [2023-02-17 23:50:42,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 23:50:42,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 23:50:42,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 23:50:42,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 23:50:42,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 11:50:41" (1/3) ... [2023-02-17 23:50:42,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e25b458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 11:50:42, skipping insertion in model container [2023-02-17 23:50:42,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 11:50:42" (2/3) ... [2023-02-17 23:50:42,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e25b458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 11:50:42, skipping insertion in model container [2023-02-17 23:50:42,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 11:50:42" (3/3) ... [2023-02-17 23:50:42,579 INFO L112 eAbstractionObserver]: Analyzing ICFG lu.cmp.c [2023-02-17 23:50:42,590 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 23:50:42,590 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-17 23:50:42,618 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 23:50:42,622 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;@fbbc06c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 23:50:42,622 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-17 23:50:42,624 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) [2023-02-17 23:50:42,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-17 23:50:42,628 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 23:50:42,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-17 23:50:42,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 23:50:42,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 23:50:42,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1809811384, now seen corresponding path program 1 times [2023-02-17 23:50:42,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 23:50:42,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568817551] [2023-02-17 23:50:42,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 23:50:42,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 23:50:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 23:50:42,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 23:50:42,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 23:50:42,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568817551] [2023-02-17 23:50:42,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568817551] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 23:50:42,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 23:50:42,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 23:50:42,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995457227] [2023-02-17 23:50:42,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 23:50:42,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 23:50:42,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 23:50:42,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 23:50:42,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-17 23:50:42,833 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) [2023-02-17 23:50:42,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 23:50:42,867 INFO L93 Difference]: Finished difference Result 102 states and 159 transitions. [2023-02-17 23:50:42,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 23:50:42,869 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 [2023-02-17 23:50:42,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 23:50:42,873 INFO L225 Difference]: With dead ends: 102 [2023-02-17 23:50:42,873 INFO L226 Difference]: Without dead ends: 17 [2023-02-17 23:50:42,875 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 [2023-02-17 23:50:42,877 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 [2023-02-17 23:50:42,878 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] [2023-02-17 23:50:42,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-02-17 23:50:42,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14. [2023-02-17 23:50:42,895 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) [2023-02-17 23:50:42,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2023-02-17 23:50:42,896 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 7 [2023-02-17 23:50:42,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 23:50:42,896 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2023-02-17 23:50:42,896 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) [2023-02-17 23:50:42,896 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-02-17 23:50:42,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-17 23:50:42,897 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 23:50:42,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 23:50:42,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 23:50:42,897 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 23:50:42,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 23:50:42,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1948892579, now seen corresponding path program 1 times [2023-02-17 23:50:42,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 23:50:42,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752921920] [2023-02-17 23:50:42,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 23:50:42,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 23:50:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 23:50:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-17 23:50:42,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 23:50:42,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752921920] [2023-02-17 23:50:43,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752921920] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 23:50:43,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 23:50:43,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 23:50:43,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326529831] [2023-02-17 23:50:43,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 23:50:43,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 23:50:43,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 23:50:43,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 23:50:43,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 23:50:43,005 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) [2023-02-17 23:50:43,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 23:50:43,044 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2023-02-17 23:50:43,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 23:50:43,045 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 [2023-02-17 23:50:43,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 23:50:43,045 INFO L225 Difference]: With dead ends: 26 [2023-02-17 23:50:43,046 INFO L226 Difference]: Without dead ends: 24 [2023-02-17 23:50:43,046 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 [2023-02-17 23:50:43,047 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 [2023-02-17 23:50:43,048 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] [2023-02-17 23:50:43,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-02-17 23:50:43,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2023-02-17 23:50:43,057 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) [2023-02-17 23:50:43,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-02-17 23:50:43,058 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 11 [2023-02-17 23:50:43,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 23:50:43,059 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-02-17 23:50:43,060 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) [2023-02-17 23:50:43,060 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-02-17 23:50:43,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-02-17 23:50:43,061 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 23:50:43,061 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 23:50:43,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-17 23:50:43,062 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 23:50:43,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 23:50:43,063 INFO L85 PathProgramCache]: Analyzing trace with hash -2121905774, now seen corresponding path program 1 times [2023-02-17 23:50:43,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 23:50:43,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949564758] [2023-02-17 23:50:43,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 23:50:43,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 23:50:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 23:50:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-17 23:50:43,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 23:50:43,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949564758] [2023-02-17 23:50:43,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949564758] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 23:50:43,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427220801] [2023-02-17 23:50:43,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 23:50:43,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 23:50:43,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 23:50:43,158 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) [2023-02-17 23:50:43,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-17 23:50:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 23:50:43,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-17 23:50:43,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 23:50:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-17 23:50:43,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 23:50:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-17 23:50:43,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427220801] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 23:50:43,288 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 23:50:43,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-02-17 23:50:43,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714830694] [2023-02-17 23:50:43,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 23:50:43,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-17 23:50:43,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 23:50:43,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-17 23:50:43,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-02-17 23:50:43,290 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) [2023-02-17 23:50:43,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 23:50:43,421 INFO L93 Difference]: Finished difference Result 84 states and 111 transitions. [2023-02-17 23:50:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-02-17 23:50:43,422 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 [2023-02-17 23:50:43,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 23:50:43,423 INFO L225 Difference]: With dead ends: 84 [2023-02-17 23:50:43,423 INFO L226 Difference]: Without dead ends: 70 [2023-02-17 23:50:43,424 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 [2023-02-17 23:50:43,425 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 [2023-02-17 23:50:43,425 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] [2023-02-17 23:50:43,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-02-17 23:50:43,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2023-02-17 23:50:43,439 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) [2023-02-17 23:50:43,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 83 transitions. [2023-02-17 23:50:43,440 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 83 transitions. Word has length 21 [2023-02-17 23:50:43,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 23:50:43,441 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 83 transitions. [2023-02-17 23:50:43,441 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) [2023-02-17 23:50:43,441 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2023-02-17 23:50:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-02-17 23:50:43,442 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 23:50:43,442 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1] [2023-02-17 23:50:43,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-17 23:50:43,647 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 [2023-02-17 23:50:43,647 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 23:50:43,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 23:50:43,648 INFO L85 PathProgramCache]: Analyzing trace with hash -139112542, now seen corresponding path program 1 times [2023-02-17 23:50:43,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 23:50:43,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503028622] [2023-02-17 23:50:43,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 23:50:43,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 23:50:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 23:50:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 146 proven. 4 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-02-17 23:50:43,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 23:50:43,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503028622] [2023-02-17 23:50:43,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503028622] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 23:50:43,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228386659] [2023-02-17 23:50:43,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 23:50:43,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 23:50:43,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 23:50:43,939 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) [2023-02-17 23:50:43,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-17 23:50:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 23:50:44,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-17 23:50:44,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 23:50:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 148 proven. 28 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-02-17 23:50:44,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 23:50:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 148 proven. 28 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-02-17 23:50:44,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228386659] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 23:50:44,194 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 23:50:44,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18 [2023-02-17 23:50:44,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20803258] [2023-02-17 23:50:44,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 23:50:44,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-02-17 23:50:44,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 23:50:44,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-02-17 23:50:44,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2023-02-17 23:50:44,197 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) [2023-02-17 23:50:44,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 23:50:44,352 INFO L93 Difference]: Finished difference Result 205 states and 253 transitions. [2023-02-17 23:50:44,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-17 23:50:44,354 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 [2023-02-17 23:50:44,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 23:50:44,354 INFO L225 Difference]: With dead ends: 205 [2023-02-17 23:50:44,354 INFO L226 Difference]: Without dead ends: 0 [2023-02-17 23:50:44,355 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 [2023-02-17 23:50:44,355 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 [2023-02-17 23:50:44,355 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] [2023-02-17 23:50:44,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-17 23:50:44,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-17 23:50:44,356 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) [2023-02-17 23:50:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-17 23:50:44,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2023-02-17 23:50:44,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 23:50:44,356 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 23:50:44,356 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) [2023-02-17 23:50:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-17 23:50:44,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-17 23:50:44,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-17 23:50:44,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-17 23:50:44,566 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 [2023-02-17 23:50:44,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-17 23:50:44,573 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 104) no Hoare annotation was computed. [2023-02-17 23:50:44,573 INFO L895 garLoopResultBuilder]: At program point L93-3(lines 93 104) the Hoare annotation is: (let ((.cse1 (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0))) (.cse0 (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0)) (.cse2 (<= 5 |ULTIMATE.start_main_~n~0#1|))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~i~0#1| 1)) (and .cse0 .cse1 .cse2) (let ((.cse3 (= |ULTIMATE.start_main_~i~0#1| 0))) (and .cse3 (or .cse3 (not (<= (+ (* (- 1) |ULTIMATE.start_main_~i~0#1|) 50) 0))) .cse0 (<= |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) .cse2)))) [2023-02-17 23:50:44,573 INFO L899 garLoopResultBuilder]: For program point L93-4(lines 93 104) no Hoare annotation was computed. [2023-02-17 23:50:44,573 INFO L899 garLoopResultBuilder]: For program point L118-2(lines 118 136) no Hoare annotation was computed. [2023-02-17 23:50:44,574 INFO L895 garLoopResultBuilder]: At program point L118-3(lines 118 136) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-17 23:50:44,574 INFO L899 garLoopResultBuilder]: For program point L118-4(lines 118 136) no Hoare annotation was computed. [2023-02-17 23:50:44,574 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 85 109) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-17 23:50:44,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-17 23:50:44,574 INFO L899 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2023-02-17 23:50:44,574 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-17 23:50:44,574 INFO L899 garLoopResultBuilder]: For program point L129-2(lines 129 135) no Hoare annotation was computed. [2023-02-17 23:50:44,574 INFO L899 garLoopResultBuilder]: For program point L96-2(lines 96 101) no Hoare annotation was computed. [2023-02-17 23:50:44,575 INFO L895 garLoopResultBuilder]: At program point L129-3(lines 129 135) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-17 23:50:44,575 INFO L895 garLoopResultBuilder]: At program point L96-3(lines 96 101) the Hoare annotation is: (let ((.cse7 (= |ULTIMATE.start_main_~i~0#1| 0)) (.cse15 (+ (- 1) |ULTIMATE.start_main_~j~0#1|))) (let ((.cse11 (= |ULTIMATE.start_main_~j~0#1| 0)) (.cse12 (<= |ULTIMATE.start_main_~j~0#1| 0)) (.cse10 (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~n~0#1|)) (.cse2 (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0))) (.cse9 (<= .cse15 2)) (.cse5 (<= |ULTIMATE.start_main_~i~0#1| 1)) (.cse0 (<= .cse15 3)) (.cse13 (< (+ |ULTIMATE.start_main_~j~0#1| 1) (+ |ULTIMATE.start_main_~n~0#1| 1))) (.cse6 (<= .cse15 0)) (.cse8 (or .cse7 (not (<= (+ (* (- 1) |ULTIMATE.start_main_~i~0#1|) 50) 0)))) (.cse1 (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0)) (.cse14 (<= .cse15 1)) (.cse3 (<= |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|)) (.cse4 (<= 5 |ULTIMATE.start_main_~n~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse0 .cse1 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse9 .cse10) (and .cse1 .cse2 .cse3 .cse4 .cse11 .cse5 .cse12) (and .cse13 .cse1 .cse14 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse8 .cse0 .cse1 .cse3 .cse4 .cse10) (and .cse0 .cse13 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse10 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse10) (and .cse6 .cse7 .cse8 .cse1 .cse3 .cse4 .cse10) (and .cse7 .cse8 .cse13 .cse1 .cse14 .cse3 .cse4) (and .cse7 .cse8 .cse13 .cse1 .cse3 .cse4 .cse9) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5) (and .cse7 .cse8 .cse13 .cse1 .cse3 .cse4 .cse10) (and .cse7 .cse8 .cse1 .cse3 .cse4 .cse10) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse1 .cse3 .cse4 .cse9) (and .cse1 .cse2 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse7 .cse8 .cse1 .cse3 .cse4 .cse11 .cse12) (and .cse13 .cse1 .cse14 .cse2 .cse3 .cse4) (and .cse7 .cse8 .cse13 .cse1 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse11 .cse12) (and .cse7 .cse8 .cse1 .cse3 .cse4 .cse9 .cse10) (and .cse7 .cse8 .cse0 .cse1 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4) (and .cse7 .cse8 .cse1 .cse3 .cse4) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse9 .cse5) (and .cse6 .cse7 .cse8 .cse1 .cse3 .cse4) (and .cse7 .cse8 .cse0 .cse13 .cse1 .cse3 .cse4) (and .cse6 .cse7 .cse8 .cse1 .cse14 .cse3 .cse4)))) [2023-02-17 23:50:44,575 INFO L899 garLoopResultBuilder]: For program point L96-4(lines 96 101) no Hoare annotation was computed. [2023-02-17 23:50:44,575 INFO L899 garLoopResultBuilder]: For program point L121-2(lines 121 128) no Hoare annotation was computed. [2023-02-17 23:50:44,576 INFO L895 garLoopResultBuilder]: At program point L121-3(lines 121 128) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-17 23:50:44,576 INFO L899 garLoopResultBuilder]: For program point L121-4(lines 121 128) no Hoare annotation was computed. [2023-02-17 23:50:44,576 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 81) no Hoare annotation was computed. [2023-02-17 23:50:44,576 INFO L899 garLoopResultBuilder]: For program point L146-2(lines 146 152) no Hoare annotation was computed. [2023-02-17 23:50:44,576 INFO L895 garLoopResultBuilder]: At program point L146-3(lines 146 152) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-17 23:50:44,576 INFO L899 garLoopResultBuilder]: For program point L80-2(lines 80 81) no Hoare annotation was computed. [2023-02-17 23:50:44,576 INFO L899 garLoopResultBuilder]: For program point L146-4(lines 146 152) no Hoare annotation was computed. [2023-02-17 23:50:44,576 INFO L899 garLoopResultBuilder]: For program point L138-2(lines 138 144) no Hoare annotation was computed. [2023-02-17 23:50:44,577 INFO L895 garLoopResultBuilder]: At program point L138-3(lines 138 144) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-17 23:50:44,577 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2023-02-17 23:50:44,577 INFO L899 garLoopResultBuilder]: For program point L138-4(lines 138 144) no Hoare annotation was computed. [2023-02-17 23:50:44,577 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)) (.cse1 (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)))) (let ((.cse3 (or (and .cse0 .cse1) (and (or .cse5 (not (<= (+ (* (- 1) |ULTIMATE.start_main_~i~0#1|) 50) 0))) .cse0 .cse1))) (.cse2 (<= |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|)) (.cse4 (<= 5 |ULTIMATE.start_main_~n~0#1|))) (or (and .cse0 .cse1 .cse2 (or (and .cse3 .cse1 .cse4) (and .cse3 .cse1 .cse4 (<= |ULTIMATE.start_main_~i~0#1| 1)))) (and .cse5 .cse3 .cse0 .cse1 .cse2 .cse4)))) [2023-02-17 23:50:44,577 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2023-02-17 23:50:44,577 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-17 23:50:44,577 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2023-02-17 23:50:44,577 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-02-17 23:50:44,578 INFO L899 garLoopResultBuilder]: For program point L132-2(lines 132 133) no Hoare annotation was computed. [2023-02-17 23:50:44,578 INFO L899 garLoopResultBuilder]: For program point L99-2(line 99) no Hoare annotation was computed. [2023-02-17 23:50:44,578 INFO L895 garLoopResultBuilder]: At program point L132-3(lines 132 133) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-17 23:50:44,578 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-17 23:50:44,578 INFO L899 garLoopResultBuilder]: For program point L132-4(lines 132 133) no Hoare annotation was computed. [2023-02-17 23:50:44,578 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 126) no Hoare annotation was computed. [2023-02-17 23:50:44,578 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 126) no Hoare annotation was computed. [2023-02-17 23:50:44,578 INFO L899 garLoopResultBuilder]: For program point L149-2(lines 149 150) no Hoare annotation was computed. [2023-02-17 23:50:44,579 INFO L895 garLoopResultBuilder]: At program point L149-3(lines 149 150) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-17 23:50:44,579 INFO L899 garLoopResultBuilder]: For program point L149-4(lines 149 150) no Hoare annotation was computed. [2023-02-17 23:50:44,579 INFO L895 garLoopResultBuilder]: At program point ludcmp_returnLabel#1(lines 111 155) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-17 23:50:44,579 INFO L899 garLoopResultBuilder]: For program point L141-2(lines 141 142) no Hoare annotation was computed. [2023-02-17 23:50:44,579 INFO L895 garLoopResultBuilder]: At program point L141-3(lines 141 142) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-17 23:50:44,579 INFO L899 garLoopResultBuilder]: For program point L141-4(lines 141 142) no Hoare annotation was computed. [2023-02-17 23:50:44,579 INFO L899 garLoopResultBuilder]: For program point L125-2(lines 125 126) no Hoare annotation was computed. [2023-02-17 23:50:44,579 INFO L895 garLoopResultBuilder]: At program point L125-3(lines 125 126) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-17 23:50:44,580 INFO L899 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2023-02-17 23:50:44,580 INFO L895 garLoopResultBuilder]: At program point fabs_returnLabel#1(lines 76 83) the Hoare annotation is: (= (+ |ULTIMATE.start_main_~n~0#1| (- 5)) 0) [2023-02-17 23:50:44,582 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-02-17 23:50:44,583 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-17 23:50:44,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 11:50:44 BoogieIcfgContainer [2023-02-17 23:50:44,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 23:50:44,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 23:50:44,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 23:50:44,600 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 23:50:44,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 11:50:42" (3/4) ... [2023-02-17 23:50:44,603 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-17 23:50:44,610 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-02-17 23:50:44,611 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-02-17 23:50:44,611 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-17 23:50:44,611 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 23:50:44,641 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 23:50:44,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 23:50:44,644 INFO L158 Benchmark]: Toolchain (without parser) took 2710.35ms. Allocated memory was 172.0MB in the beginning and 224.4MB in the end (delta: 52.4MB). Free memory was 141.1MB in the beginning and 180.2MB in the end (delta: -39.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-02-17 23:50:44,644 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 23:50:44,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.20ms. Allocated memory is still 172.0MB. Free memory was 140.5MB in the beginning and 128.6MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 23:50:44,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.25ms. Allocated memory is still 172.0MB. Free memory was 128.6MB in the beginning and 126.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 23:50:44,645 INFO L158 Benchmark]: Boogie Preprocessor took 21.81ms. Allocated memory is still 172.0MB. Free memory was 126.5MB in the beginning and 124.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 23:50:44,645 INFO L158 Benchmark]: RCFGBuilder took 406.33ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 108.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-02-17 23:50:44,645 INFO L158 Benchmark]: TraceAbstraction took 2024.81ms. Allocated memory was 172.0MB in the beginning and 224.4MB in the end (delta: 52.4MB). Free memory was 107.7MB in the beginning and 184.4MB in the end (delta: -76.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 23:50:44,646 INFO L158 Benchmark]: Witness Printer took 43.74ms. Allocated memory is still 224.4MB. Free memory was 184.4MB in the beginning and 180.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-17 23:50:44,649 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 132.1MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.20ms. Allocated memory is still 172.0MB. Free memory was 140.5MB in the beginning and 128.6MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.25ms. Allocated memory is still 172.0MB. Free memory was 128.6MB in the beginning and 126.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.81ms. Allocated memory is still 172.0MB. Free memory was 126.5MB in the beginning and 124.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 406.33ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 108.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2024.81ms. Allocated memory was 172.0MB in the beginning and 224.4MB in the end (delta: 52.4MB). Free memory was 107.7MB in the beginning and 184.4MB in the end (delta: -76.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.74ms. Allocated memory is still 224.4MB. Free memory was 184.4MB in the beginning and 180.2MB 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: 2.0s, OverallIterations: 4, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, 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, 0.1s 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, 0.6s 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 && !(cond == 0)) && i <= n) && (((((n + -5 == 0 && !(cond == 0)) || (((i == 0 || !(-1 * i + 50 <= 0)) && n + -5 == 0) && !(cond == 0))) && !(cond == 0)) && 5 <= n) || (((((n + -5 == 0 && !(cond == 0)) || (((i == 0 || !(-1 * i + 50 <= 0)) && n + -5 == 0) && !(cond == 0))) && !(cond == 0)) && 5 <= n) && i <= 1))) || (((((i == 0 && ((n + -5 == 0 && !(cond == 0)) || (((i == 0 || !(-1 * i + 50 <= 0)) && n + -5 == 0) && !(cond == 0)))) && n + -5 == 0) && !(cond == 0)) && i <= n) && 5 <= n) - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: ((((n + -5 == 0 && !(cond == 0)) && 5 <= n) && i <= 1) || ((n + -5 == 0 && !(cond == 0)) && 5 <= n)) || ((((i == 0 && (i == 0 || !(-1 * i + 50 <= 0))) && n + -5 == 0) && i <= n) && 5 <= n) - 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: ((((((((((((((((((((((((((((((((((((((-1 + j <= 3 && n + -5 == 0) && !(cond == 0)) && i <= n) && 5 <= n) && i <= 1) || ((((((-1 + j <= 0 && i == 0) && (i == 0 || !(-1 * i + 50 <= 0))) && -1 + j <= 3) && n + -5 == 0) && i <= n) && 5 <= n)) || (((((n + -5 == 0 && !(cond == 0)) && i <= n) && 5 <= n) && -1 + j <= 2) && j <= n)) || ((((((n + -5 == 0 && !(cond == 0)) && i <= n) && 5 <= n) && j == 0) && i <= 1) && j <= 0)) || ((((((j + 1 < n + 1 && n + -5 == 0) && -1 + j <= 1) && !(cond == 0)) && i <= n) && 5 <= n) && i <= 1)) || (((((-1 + j <= 0 && n + -5 == 0) && !(cond == 0)) && i <= n) && 5 <= n) && i <= 1)) || ((((((i == 0 && (i == 0 || !(-1 * i + 50 <= 0))) && -1 + j <= 3) && n + -5 == 0) && i <= n) && 5 <= n) && j <= n)) || ((((((-1 + j <= 3 && j + 1 < n + 1) && n + -5 == 0) && !(cond == 0)) && i <= n) && 5 <= n) && i <= 1)) || ((((-1 + j <= 0 && n + -5 == 0) && !(cond == 0)) && i <= n) && 5 <= n)) || (((((j + 1 < n + 1 && n + -5 == 0) && !(cond == 0)) && i <= n) && 5 <= n) && i <= 1)) || (((((n + -5 == 0 && !(cond == 0)) && i <= n) && 5 <= n) && j <= n) && i <= 1)) || ((((n + -5 == 0 && !(cond == 0)) && i <= n) && 5 <= n) && j <= n)) || ((((((-1 + j <= 0 && i == 0) && (i == 0 || !(-1 * i + 50 <= 0))) && n + -5 == 0) && i <= n) && 5 <= n) && j <= n)) || ((((((i == 0 && (i == 0 || !(-1 * i + 50 <= 0))) && j + 1 < n + 1) && n + -5 == 0) && -1 + j <= 1) && i <= n) && 5 <= n)) || ((((((i == 0 && (i == 0 || !(-1 * i + 50 <= 0))) && j + 1 < n + 1) && n + -5 == 0) && i <= n) && 5 <= n) && -1 + j <= 2)) || ((((((j + 1 < n + 1 && n + -5 == 0) && !(cond == 0)) && i <= n) && 5 <= n) && j <= n) && i <= 1)) || ((((((-1 + j <= 3 && n + -5 == 0) && !(cond == 0)) && i <= n) && 5 <= n) && j <= n) && i <= 1)) || ((((((i == 0 && (i == 0 || !(-1 * i + 50 <= 0))) && j + 1 < n + 1) && n + -5 == 0) && i <= n) && 5 <= n) && j <= n)) || (((((i == 0 && (i == 0 || !(-1 * i + 50 <= 0))) && n + -5 == 0) && i <= n) && 5 <= n) && j <= n)) || ((((n + -5 == 0 && !(cond == 0)) && i <= n) && 5 <= n) && i <= 1)) || ((((((-1 + j <= 0 && i == 0) && (i == 0 || !(-1 * i + 50 <= 0))) && n + -5 == 0) && i <= n) && 5 <= n) && -1 + j <= 2)) || ((((((n + -5 == 0 && !(cond == 0)) && i <= n) && 5 <= n) && -1 + j <= 2) && j <= n) && i <= 1)) || ((((((i == 0 && (i == 0 || !(-1 * i + 50 <= 0))) && n + -5 == 0) && i <= n) && 5 <= n) && j == 0) && j <= 0)) || (((((j + 1 < n + 1 && n + -5 == 0) && -1 + j <= 1) && !(cond == 0)) && i <= n) && 5 <= n)) || (((((i == 0 && (i == 0 || !(-1 * i + 50 <= 0))) && j + 1 < n + 1) && n + -5 == 0) && i <= n) && 5 <= n)) || ((((-1 + j <= 3 && n + -5 == 0) && !(cond == 0)) && i <= n) && 5 <= n)) || (((((n + -5 == 0 && !(cond == 0)) && i <= n) && 5 <= n) && j == 0) && j <= 0)) || ((((((i == 0 && (i == 0 || !(-1 * i + 50 <= 0))) && n + -5 == 0) && i <= n) && 5 <= n) && -1 + j <= 2) && j <= n)) || (((((i == 0 && (i == 0 || !(-1 * i + 50 <= 0))) && -1 + j <= 3) && n + -5 == 0) && i <= n) && 5 <= n)) || (((n + -5 == 0 && !(cond == 0)) && i <= n) && 5 <= n)) || ((((i == 0 && (i == 0 || !(-1 * i + 50 <= 0))) && n + -5 == 0) && i <= n) && 5 <= n)) || ((((((j + 1 < n + 1 && n + -5 == 0) && !(cond == 0)) && i <= n) && 5 <= n) && -1 + j <= 2) && i <= 1)) || (((((-1 + j <= 0 && i == 0) && (i == 0 || !(-1 * i + 50 <= 0))) && n + -5 == 0) && i <= n) && 5 <= n)) || ((((((i == 0 && (i == 0 || !(-1 * i + 50 <= 0))) && -1 + j <= 3) && j + 1 < n + 1) && n + -5 == 0) && i <= n) && 5 <= n)) || ((((((-1 + j <= 0 && i == 0) && (i == 0 || !(-1 * i + 50 <= 0))) && n + -5 == 0) && -1 + j <= 1) && i <= n) && 5 <= n) - 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! [2023-02-17 23:50:44,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE