./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/stpcpy.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-dietlibc/stpcpy.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 469311c0017f986a05caefa2da4fc5bc0c8b955df01c1466f03ef72ee537722c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:09:19,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:09:19,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-23 02:09:19,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:09:19,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:09:19,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:09:19,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:09:19,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:09:19,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:09:19,234 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:09:19,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:09:19,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:09:19,235 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:09:19,237 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:09:19,237 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:09:19,237 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:09:19,237 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:09:19,237 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:09:19,238 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:09:19,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:09:19,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:09:19,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:09:19,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:09:19,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:09:19,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:09:19,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:09:19,241 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:09:19,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:09:19,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:09:19,242 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:09:19,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:09:19,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:09:19,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:09:19,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:09:19,242 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:09:19,243 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:09:19,243 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 469311c0017f986a05caefa2da4fc5bc0c8b955df01c1466f03ef72ee537722c [2024-11-23 02:09:19,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:09:19,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:09:19,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:09:19,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:09:19,486 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:09:19,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/stpcpy.i [2024-11-23 02:09:20,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:09:20,811 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:09:20,812 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/stpcpy.i [2024-11-23 02:09:20,822 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/258d1b0fa/570d82053272460e8e8e2f3d8e3a227b/FLAGc6e968e77 [2024-11-23 02:09:21,186 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/258d1b0fa/570d82053272460e8e8e2f3d8e3a227b [2024-11-23 02:09:21,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:09:21,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:09:21,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:09:21,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:09:21,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:09:21,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2916a934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21, skipping insertion in model container [2024-11-23 02:09:21,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,220 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:09:21,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:09:21,482 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:09:21,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:09:21,539 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:09:21,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21 WrapperNode [2024-11-23 02:09:21,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:09:21,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:09:21,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:09:21,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:09:21,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,569 INFO L138 Inliner]: procedures = 113, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2024-11-23 02:09:21,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:09:21,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:09:21,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:09:21,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:09:21,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,581 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,597 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [1, 2]. 67 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-11-23 02:09:21,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:09:21,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:09:21,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:09:21,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:09:21,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21" (1/1) ... [2024-11-23 02:09:21,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:09:21,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:09:21,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:09:21,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 02:09:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 02:09:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 02:09:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 02:09:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 02:09:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 02:09:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 02:09:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:09:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:09:21,815 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:09:21,816 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:09:21,941 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-23 02:09:21,941 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:09:21,958 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:09:21,958 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 02:09:21,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:21 BoogieIcfgContainer [2024-11-23 02:09:21,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:09:21,960 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:09:21,960 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:09:21,963 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:09:21,964 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:09:21,965 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:09:21" (1/3) ... [2024-11-23 02:09:21,965 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22182fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:09:21, skipping insertion in model container [2024-11-23 02:09:21,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:09:21,966 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:21" (2/3) ... [2024-11-23 02:09:21,966 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22182fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:09:21, skipping insertion in model container [2024-11-23 02:09:21,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:09:21,966 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:21" (3/3) ... [2024-11-23 02:09:21,967 INFO L332 chiAutomizerObserver]: Analyzing ICFG stpcpy.i [2024-11-23 02:09:22,002 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:09:22,002 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:09:22,002 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:09:22,002 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:09:22,002 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:09:22,002 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:09:22,002 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:09:22,002 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:09:22,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-11-23 02:09:22,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 02:09:22,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:09:22,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:09:22,019 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-23 02:09:22,019 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 02:09:22,019 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:09:22,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-11-23 02:09:22,020 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 02:09:22,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:09:22,020 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:09:22,020 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-23 02:09:22,020 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 02:09:22,026 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;havoc main_#t~nondet5#1;main_~in_len~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9#L512true assume !(main_~in_len~0#1 < 1);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int#1(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet7#1;main_~out_len~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 10#L516true assume !(main_~out_len~0#1 < main_~in_len~0#1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;assume { :begin_inline_stpcpy } true;stpcpy_#in~dst#1.base, stpcpy_#in~dst#1.offset, stpcpy_#in~src#1.base, stpcpy_#in~src#1.offset := main_~out~0#1.base, main_~out~0#1.offset, main_~in~0#1.base, main_~in~0#1.offset;havoc stpcpy_#res#1.base, stpcpy_#res#1.offset;havoc stpcpy_#t~post2#1.base, stpcpy_#t~post2#1.offset, stpcpy_#t~post3#1.base, stpcpy_#t~post3#1.offset, stpcpy_#t~mem4#1, stpcpy_~dst#1.base, stpcpy_~dst#1.offset, stpcpy_~src#1.base, stpcpy_~src#1.offset;stpcpy_~dst#1.base, stpcpy_~dst#1.offset := stpcpy_#in~dst#1.base, stpcpy_#in~dst#1.offset;stpcpy_~src#1.base, stpcpy_~src#1.offset := stpcpy_#in~src#1.base, stpcpy_#in~src#1.offset; 11#L507-3true [2024-11-23 02:09:22,026 INFO L747 eck$LassoCheckResult]: Loop: 11#L507-3true stpcpy_#t~post2#1.base, stpcpy_#t~post2#1.offset := stpcpy_~dst#1.base, stpcpy_~dst#1.offset;stpcpy_~dst#1.base, stpcpy_~dst#1.offset := stpcpy_#t~post2#1.base, 1 + stpcpy_#t~post2#1.offset;stpcpy_#t~post3#1.base, stpcpy_#t~post3#1.offset := stpcpy_~src#1.base, stpcpy_~src#1.offset;stpcpy_~src#1.base, stpcpy_~src#1.offset := stpcpy_#t~post3#1.base, 1 + stpcpy_#t~post3#1.offset;call stpcpy_#t~mem4#1 := read~int#1(stpcpy_#t~post3#1.base, stpcpy_#t~post3#1.offset, 1);call write~int#0(stpcpy_#t~mem4#1, stpcpy_#t~post2#1.base, stpcpy_#t~post2#1.offset, 1); 6#L507-1true assume !!(0 != stpcpy_#t~mem4#1);havoc stpcpy_#t~post2#1.base, stpcpy_#t~post2#1.offset;havoc stpcpy_#t~post3#1.base, stpcpy_#t~post3#1.offset;havoc stpcpy_#t~mem4#1; 11#L507-3true [2024-11-23 02:09:22,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:09:22,030 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2024-11-23 02:09:22,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:09:22,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020828231] [2024-11-23 02:09:22,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:09:22,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:09:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:09:22,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:09:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:09:22,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:09:22,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:09:22,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 1 times [2024-11-23 02:09:22,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:09:22,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913106195] [2024-11-23 02:09:22,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:09:22,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:09:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:09:22,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:09:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:09:22,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:09:22,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:09:22,186 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2024-11-23 02:09:22,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:09:22,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518030844] [2024-11-23 02:09:22,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:09:22,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:09:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:09:22,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:09:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:09:22,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:09:22,942 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:09:22,942 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:09:22,942 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:09:22,943 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:09:22,943 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:09:22,943 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:09:22,943 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:09:22,943 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:09:22,943 INFO L132 ssoRankerPreferences]: Filename of dumped script: stpcpy.i_Iteration1_Lasso [2024-11-23 02:09:22,944 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:09:22,944 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:09:22,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:22,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:22,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:22,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:09:23,463 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:09:23,466 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:09:23,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:09:23,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:09:23,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:09:23,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-23 02:09:23,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 02:09:23,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:09:23,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:09:23,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:09:23,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:09:23,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:09:23,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:09:23,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:09:23,489 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:09:23,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-23 02:09:23,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:09:23,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:09:23,497 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:09:23,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-23 02:09:23,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 02:09:23,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:09:23,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:09:23,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:09:23,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:09:23,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:09:23,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:09:23,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:09:23,511 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:09:23,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-23 02:09:23,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:09:23,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:09:23,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:09:23,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-23 02:09:23,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 02:09:23,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:09:23,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:09:23,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:09:23,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:09:23,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:09:23,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:09:23,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:09:23,533 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:09:23,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-23 02:09:23,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:09:23,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:09:23,541 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:09:23,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-23 02:09:23,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 02:09:23,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:09:23,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:09:23,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:09:23,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:09:23,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:09:23,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:09:23,564 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:09:23,595 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2024-11-23 02:09:23,595 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-11-23 02:09:23,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:09:23,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:09:23,598 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:09:23,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-23 02:09:23,600 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:09:23,611 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-23 02:09:23,611 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:09:23,612 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_stpcpy_~src#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1) = -1*ULTIMATE.start_stpcpy_~src#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1 Supporting invariants [] [2024-11-23 02:09:23,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-23 02:09:23,639 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-11-23 02:09:23,646 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~src!offset [2024-11-23 02:09:23,647 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-23 02:09:23,647 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-23 02:09:23,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:09:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:09:23,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 02:09:23,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:09:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:09:23,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 02:09:23,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:09:23,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:09:23,768 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-23 02:09:23,770 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-23 02:09:23,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-23 02:09:23,825 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) Result 23 states and 25 transitions. Complement of second has 7 states. [2024-11-23 02:09:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 02:09:23,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-23 02:09:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-11-23 02:09:23,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-23 02:09:23,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:09:23,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-23 02:09:23,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:09:23,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-23 02:09:23,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:09:23,836 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 25 transitions. [2024-11-23 02:09:23,837 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:09:23,840 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2024-11-23 02:09:23,840 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 02:09:23,840 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 02:09:23,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 02:09:23,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:09:23,841 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:09:23,841 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:09:23,841 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:09:23,841 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:09:23,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 02:09:23,841 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:09:23,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 02:09:23,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:09:23 BoogieIcfgContainer [2024-11-23 02:09:23,847 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:09:23,848 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:09:23,848 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:09:23,849 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:09:23,849 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:21" (3/4) ... [2024-11-23 02:09:23,851 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 02:09:23,851 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:09:23,852 INFO L158 Benchmark]: Toolchain (without parser) took 2663.43ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 120.1MB in the beginning and 172.2MB in the end (delta: -52.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:09:23,852 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:09:23,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.63ms. Allocated memory is still 174.1MB. Free memory was 119.5MB in the beginning and 101.3MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-23 02:09:23,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.93ms. Allocated memory is still 174.1MB. Free memory was 101.3MB in the beginning and 99.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:09:23,853 INFO L158 Benchmark]: Boogie Preprocessor took 36.27ms. Allocated memory is still 174.1MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:09:23,853 INFO L158 Benchmark]: RCFGBuilder took 352.19ms. Allocated memory is still 174.1MB. Free memory was 97.7MB in the beginning and 132.1MB in the end (delta: -34.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 02:09:23,854 INFO L158 Benchmark]: BuchiAutomizer took 1887.50ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 132.1MB in the beginning and 172.2MB in the end (delta: -40.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:09:23,854 INFO L158 Benchmark]: Witness Printer took 3.69ms. Allocated memory is still 209.7MB. Free memory is still 172.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:09:23,858 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.63ms. Allocated memory is still 174.1MB. Free memory was 119.5MB in the beginning and 101.3MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.93ms. Allocated memory is still 174.1MB. Free memory was 101.3MB in the beginning and 99.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.27ms. Allocated memory is still 174.1MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.19ms. Allocated memory is still 174.1MB. Free memory was 97.7MB in the beginning and 132.1MB in the end (delta: -34.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1887.50ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 132.1MB in the beginning and 172.2MB in the end (delta: -40.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.69ms. Allocated memory is still 209.7MB. Free memory is still 172.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~src!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital181 mio100 ax100 hnf100 lsp100 ukn78 mio100 lsp28 div100 bol100 ite100 ukn100 eq154 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 71ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-23 02:09:23,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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