./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/array-memsafety/openbsd_cstrcpy-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:04:30,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:04:30,429 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:04:30,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:04:30,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:04:30,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:04:30,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:04:30,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:04:30,486 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:04:30,486 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:04:30,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:04:30,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:04:30,488 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:04:30,489 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:04:30,489 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:04:30,490 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:04:30,490 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:04:30,492 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:04:30,495 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:04:30,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:04:30,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:04:30,498 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:04:30,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:04:30,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:04:30,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:04:30,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:04:30,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:04:30,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:04:30,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:04:30,503 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:04:30,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:04:30,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:04:30,503 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:04:30,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:04:30,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:04:30,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:04:30,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:04:30,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:04:30,506 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:04:30,506 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 [2024-11-12 21:04:30,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:04:30,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:04:30,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:04:30,836 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:04:30,837 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:04:30,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2024-11-12 21:04:32,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:04:32,409 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:04:32,409 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2024-11-12 21:04:32,422 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255c7f9af/f5d05ca62d414cc5bcca559842e8c766/FLAG0eba53b74 [2024-11-12 21:04:32,435 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255c7f9af/f5d05ca62d414cc5bcca559842e8c766 [2024-11-12 21:04:32,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:04:32,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:04:32,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:04:32,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:04:32,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:04:32,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7632d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32, skipping insertion in model container [2024-11-12 21:04:32,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:04:32,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:04:32,817 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:04:32,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:04:32,874 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:04:32,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32 WrapperNode [2024-11-12 21:04:32,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:04:32,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:04:32,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:04:32,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:04:32,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,912 INFO L138 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-11-12 21:04:32,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:04:32,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:04:32,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:04:32,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:04:32,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,924 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,935 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [3, 1]. 75 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 3 writes are split as follows [2, 1]. [2024-11-12 21:04:32,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:04:32,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:04:32,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:04:32,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:04:32,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32" (1/1) ... [2024-11-12 21:04:32,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:32,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:32,978 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) [2024-11-12 21:04:32,983 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 [2024-11-12 21:04:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 21:04:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 21:04:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 21:04:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 21:04:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 21:04:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 21:04:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:04:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:04:33,113 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:04:33,115 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:04:33,225 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-12 21:04:33,225 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:04:33,235 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:04:33,235 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 21:04:33,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:04:33 BoogieIcfgContainer [2024-11-12 21:04:33,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:04:33,237 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:04:33,237 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:04:33,241 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:04:33,242 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:04:33,242 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:04:32" (1/3) ... [2024-11-12 21:04:33,243 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b3163e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:04:33, skipping insertion in model container [2024-11-12 21:04:33,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:04:33,243 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:04:32" (2/3) ... [2024-11-12 21:04:33,243 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b3163e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:04:33, skipping insertion in model container [2024-11-12 21:04:33,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:04:33,244 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:04:33" (3/3) ... [2024-11-12 21:04:33,245 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca-2.i [2024-11-12 21:04:33,283 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:04:33,284 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:04:33,284 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:04:33,284 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:04:33,284 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:04:33,284 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:04:33,284 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:04:33,284 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:04:33,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2024-11-12 21:04:33,300 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-12 21:04:33,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:04:33,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:04:33,305 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-12 21:04:33,305 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 21:04:33,306 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:04:33,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2024-11-12 21:04:33,307 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-12 21:04:33,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:04:33,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:04:33,307 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-12 21:04:33,307 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-12 21:04:33,313 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet5#1;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0;" [2024-11-12 21:04:33,313 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~i~0#1 < main_~length2~0#1 - 1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1;" "main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1;" [2024-11-12 21:04:33,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:04:33,317 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2024-11-12 21:04:33,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:04:33,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023382654] [2024-11-12 21:04:33,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:04:33,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:04:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:33,413 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:04:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:33,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:04:33,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:04:33,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2024-11-12 21:04:33,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:04:33,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917731756] [2024-11-12 21:04:33,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:04:33,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:04:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:33,460 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:04:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:33,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:04:33,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:04:33,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2024-11-12 21:04:33,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:04:33,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183138897] [2024-11-12 21:04:33,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:04:33,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:04:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:33,506 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:04:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:33,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:04:33,870 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:04:33,870 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:04:33,870 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:04:33,870 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:04:33,871 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:04:33,871 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:33,871 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:04:33,871 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:04:33,871 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-2.i_Iteration1_Lasso [2024-11-12 21:04:33,871 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:04:33,871 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:04:33,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:33,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:33,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:33,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:34,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:34,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:34,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:34,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:34,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:34,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:34,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:34,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:34,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:34,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:34,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:34,624 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:04:34,631 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:04:34,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:34,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:34,637 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) [2024-11-12 21:04:34,639 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 [2024-11-12 21:04:34,640 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 [2024-11-12 21:04:34,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:04:34,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:04:34,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:04:34,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:04:34,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:04:34,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:04:34,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:04:34,655 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:04:34,667 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 [2024-11-12 21:04:34,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:34,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:34,669 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) [2024-11-12 21:04:34,673 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 [2024-11-12 21:04:34,673 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 [2024-11-12 21:04:34,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:04:34,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:04:34,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:04:34,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:04:34,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:04:34,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:04:34,689 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:04:34,699 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 [2024-11-12 21:04:34,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:34,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:34,701 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) [2024-11-12 21:04:34,702 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 [2024-11-12 21:04:34,706 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 [2024-11-12 21:04:34,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:04:34,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:04:34,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:04:34,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:04:34,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:04:34,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:04:34,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:04:34,718 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:04:34,728 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 [2024-11-12 21:04:34,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:34,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:34,730 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) [2024-11-12 21:04:34,731 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 [2024-11-12 21:04:34,733 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 [2024-11-12 21:04:34,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:04:34,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:04:34,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:04:34,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:04:34,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:04:34,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:04:34,748 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:04:34,758 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 [2024-11-12 21:04:34,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:34,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:34,760 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) [2024-11-12 21:04:34,761 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 [2024-11-12 21:04:34,762 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 [2024-11-12 21:04:34,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:04:34,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:04:34,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:04:34,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:04:34,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:04:34,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:04:34,781 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:04:34,795 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 [2024-11-12 21:04:34,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:34,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:34,797 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-11-12 21:04:34,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-12 21:04:34,799 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 [2024-11-12 21:04:34,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:04:34,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:04:34,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:04:34,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:04:34,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:04:34,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:04:34,824 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:04:34,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-12 21:04:34,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:34,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:34,845 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2024-11-12 21:04:34,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-12 21:04:34,851 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 [2024-11-12 21:04:34,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:04:34,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:04:34,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:04:34,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:04:34,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:04:34,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:04:34,882 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:04:34,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-12 21:04:34,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:34,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:34,906 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2024-11-12 21:04:34,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-12 21:04:34,911 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 [2024-11-12 21:04:34,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:04:34,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:04:34,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:04:34,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:04:34,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:04:34,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:04:34,946 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:04:34,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-12 21:04:34,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:34,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:34,968 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2024-11-12 21:04:34,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-12 21:04:34,971 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 [2024-11-12 21:04:34,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:04:34,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:04:34,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:04:34,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:04:34,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:04:34,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:04:34,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:04:34,983 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:04:34,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-12 21:04:34,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:34,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:34,996 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2024-11-12 21:04:34,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-12 21:04:34,998 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 [2024-11-12 21:04:35,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:04:35,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:04:35,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:04:35,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:04:35,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:04:35,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:04:35,020 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:04:35,046 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2024-11-12 21:04:35,046 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-11-12 21:04:35,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:35,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:35,068 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2024-11-12 21:04:35,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-12 21:04:35,073 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:04:35,085 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-12 21:04:35,085 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:04:35,085 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2024-11-12 21:04:35,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-12 21:04:35,128 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-11-12 21:04:35,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:04:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:04:35,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:04:35,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:04:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:04:35,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 21:04:35,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:04:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:04:35,289 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 21:04:35,290 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2024-11-12 21:04:35,321 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) Result 30 states and 39 transitions. Complement of second has 6 states. [2024-11-12 21:04:35,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 21:04:35,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2024-11-12 21:04:35,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2024-11-12 21:04:35,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-12 21:04:35,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:04:35,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-12 21:04:35,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:04:35,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-12 21:04:35,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:04:35,329 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2024-11-12 21:04:35,331 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-12 21:04:35,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 12 states and 16 transitions. [2024-11-12 21:04:35,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-12 21:04:35,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-12 21:04:35,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2024-11-12 21:04:35,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:04:35,334 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-12 21:04:35,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2024-11-12 21:04:35,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-12 21:04:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 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) [2024-11-12 21:04:35,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2024-11-12 21:04:35,352 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-12 21:04:35,353 INFO L426 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-12 21:04:35,353 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:04:35,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2024-11-12 21:04:35,353 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-12 21:04:35,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:04:35,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:04:35,354 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:04:35,354 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:04:35,354 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet5#1;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length2~0#1 - 1);" "havoc main_~i~0#1;call write~int#0(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcpy } true;cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset, cstrcpy_#in~from#1.base, cstrcpy_#in~from#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstrcpy_#res#1.base, cstrcpy_#res#1.offset;havoc cstrcpy_#t~mem2#1, cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset, cstrcpy_#t~pre4#1.base, cstrcpy_#t~pre4#1.offset, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, cstrcpy_~from#1.base, cstrcpy_~from#1.offset, cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_#in~from#1.base, cstrcpy_#in~from#1.offset;cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset := cstrcpy_~to#1.base, cstrcpy_~to#1.offset;" [2024-11-12 21:04:35,354 INFO L749 eck$LassoCheckResult]: Loop: "call cstrcpy_#t~mem2#1 := read~int#0(cstrcpy_~from#1.base, cstrcpy_~from#1.offset, 1);call write~int#1(cstrcpy_#t~mem2#1, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, 1);" "assume !!(0 != cstrcpy_#t~mem2#1);havoc cstrcpy_#t~mem2#1;" "cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;havoc cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset;cstrcpy_#t~pre4#1.base, cstrcpy_#t~pre4#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;havoc cstrcpy_#t~pre4#1.base, cstrcpy_#t~pre4#1.offset;" [2024-11-12 21:04:35,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:04:35,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2024-11-12 21:04:35,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:04:35,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843171301] [2024-11-12 21:04:35,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:04:35,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:04:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:35,372 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:04:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:35,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:04:35,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:04:35,395 INFO L85 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 1 times [2024-11-12 21:04:35,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:04:35,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015513594] [2024-11-12 21:04:35,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:04:35,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:04:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:35,409 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:04:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:35,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:04:35,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:04:35,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1713552629, now seen corresponding path program 1 times [2024-11-12 21:04:35,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:04:35,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973485689] [2024-11-12 21:04:35,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:04:35,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:04:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:04:35,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-12 21:04:35,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:04:35,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973485689] [2024-11-12 21:04:35,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973485689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:04:35,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272751302] [2024-11-12 21:04:35,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:04:35,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:04:35,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:35,896 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:04:35,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 21:04:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:04:35,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-12 21:04:35,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:04:35,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-12 21:04:36,101 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-12 21:04:36,105 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 21:04:36,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 10 [2024-11-12 21:04:36,117 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:04:36,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-11-12 21:04:36,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-11-12 21:04:36,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272751302] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:04:36,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:04:36,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2024-11-12 21:04:36,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909981450] [2024-11-12 21:04:36,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:04:36,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:04:36,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 21:04:36,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-12 21:04:36,406 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 12 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2024-11-12 21:04:36,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:04:36,558 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2024-11-12 21:04:36,558 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2024-11-12 21:04:36,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-12 21:04:36,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 14 states and 17 transitions. [2024-11-12 21:04:36,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-12 21:04:36,559 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-12 21:04:36,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2024-11-12 21:04:36,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:04:36,559 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-11-12 21:04:36,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2024-11-12 21:04:36,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2024-11-12 21:04:36,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 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) [2024-11-12 21:04:36,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2024-11-12 21:04:36,560 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-12 21:04:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 21:04:36,567 INFO L426 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-12 21:04:36,567 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:04:36,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2024-11-12 21:04:36,568 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-12 21:04:36,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:04:36,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:04:36,569 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:04:36,573 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:04:36,573 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet5#1;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0;" "assume !!(main_~i~0#1 < main_~length2~0#1 - 1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1;" "main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1;" "assume !(main_~i~0#1 < main_~length2~0#1 - 1);" "havoc main_~i~0#1;call write~int#0(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcpy } true;cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset, cstrcpy_#in~from#1.base, cstrcpy_#in~from#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstrcpy_#res#1.base, cstrcpy_#res#1.offset;havoc cstrcpy_#t~mem2#1, cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset, cstrcpy_#t~pre4#1.base, cstrcpy_#t~pre4#1.offset, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, cstrcpy_~from#1.base, cstrcpy_~from#1.offset, cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_#in~from#1.base, cstrcpy_#in~from#1.offset;cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset := cstrcpy_~to#1.base, cstrcpy_~to#1.offset;" [2024-11-12 21:04:36,573 INFO L749 eck$LassoCheckResult]: Loop: "call cstrcpy_#t~mem2#1 := read~int#0(cstrcpy_~from#1.base, cstrcpy_~from#1.offset, 1);call write~int#1(cstrcpy_#t~mem2#1, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, 1);" "assume !!(0 != cstrcpy_#t~mem2#1);havoc cstrcpy_#t~mem2#1;" "cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;havoc cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset;cstrcpy_#t~pre4#1.base, cstrcpy_#t~pre4#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;havoc cstrcpy_#t~pre4#1.base, cstrcpy_#t~pre4#1.offset;" [2024-11-12 21:04:36,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:04:36,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2024-11-12 21:04:36,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:04:36,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077107762] [2024-11-12 21:04:36,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:04:36,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:04:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:36,596 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:04:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:36,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:04:36,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:04:36,605 INFO L85 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 2 times [2024-11-12 21:04:36,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:04:36,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449157556] [2024-11-12 21:04:36,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:04:36,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:04:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:36,609 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:04:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:36,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:04:36,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:04:36,616 INFO L85 PathProgramCache]: Analyzing trace with hash -894230189, now seen corresponding path program 1 times [2024-11-12 21:04:36,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:04:36,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097465624] [2024-11-12 21:04:36,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:04:36,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:04:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:36,645 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:04:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:04:36,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:04:37,165 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:04:37,166 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:04:37,166 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:04:37,166 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:04:37,166 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:04:37,166 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:37,166 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:04:37,166 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:04:37,166 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-2.i_Iteration3_Lasso [2024-11-12 21:04:37,166 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:04:37,167 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:04:37,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:04:37,969 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:04:37,973 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:04:37,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:37,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:37,975 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2024-11-12 21:04:37,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-12 21:04:37,979 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 [2024-11-12 21:04:37,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:04:37,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:04:37,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:04:37,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:04:37,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:04:37,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:04:37,997 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:04:38,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-12 21:04:38,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:38,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:38,009 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2024-11-12 21:04:38,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-12 21:04:38,012 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 [2024-11-12 21:04:38,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:04:38,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:04:38,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:04:38,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:04:38,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:04:38,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:04:38,034 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:04:38,049 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-12 21:04:38,049 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-12 21:04:38,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:04:38,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:04:38,051 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2024-11-12 21:04:38,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-12 21:04:38,053 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:04:38,064 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-12 21:04:38,065 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:04:38,065 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~to#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc7#1.base)_2) = -1*ULTIMATE.start_cstrcpy_~to#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7#1.base)_2 Supporting invariants [] [2024-11-12 21:04:38,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-12 21:04:38,123 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2024-11-12 21:04:38,131 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~to!offset [2024-11-12 21:04:38,132 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-12 21:04:38,132 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-12 21:04:38,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:04:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:04:38,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 21:04:38,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:04:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:04:38,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 21:04:38,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:04:38,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:04:38,282 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 [2024-11-12 21:04:38,282 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-12 21:04:38,332 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 15 states and 19 transitions. Complement of second has 5 states. [2024-11-12 21:04:38,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 21:04:38,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-12 21:04:38,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-12 21:04:38,334 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2024-11-12 21:04:38,334 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:04:38,334 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2024-11-12 21:04:38,334 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:04:38,334 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2024-11-12 21:04:38,334 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:04:38,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2024-11-12 21:04:38,335 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 21:04:38,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2024-11-12 21:04:38,335 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-12 21:04:38,335 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-12 21:04:38,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-12 21:04:38,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:04:38,335 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:04:38,335 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:04:38,335 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:04:38,335 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-12 21:04:38,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-12 21:04:38,336 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 21:04:38,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-12 21:04:38,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:04:38 BoogieIcfgContainer [2024-11-12 21:04:38,341 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:04:38,341 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:04:38,341 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:04:38,341 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:04:38,342 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:04:33" (3/4) ... [2024-11-12 21:04:38,343 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 21:04:38,344 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:04:38,345 INFO L158 Benchmark]: Toolchain (without parser) took 5906.29ms. Allocated memory was 167.8MB in the beginning and 260.0MB in the end (delta: 92.3MB). Free memory was 97.7MB in the beginning and 127.9MB in the end (delta: -30.2MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2024-11-12 21:04:38,345 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:04:38,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.45ms. Allocated memory is still 167.8MB. Free memory was 97.6MB in the beginning and 130.5MB in the end (delta: -32.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-12 21:04:38,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.84ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 129.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:04:38,346 INFO L158 Benchmark]: Boogie Preprocessor took 35.29ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 126.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 21:04:38,346 INFO L158 Benchmark]: RCFGBuilder took 286.10ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 113.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 21:04:38,346 INFO L158 Benchmark]: BuchiAutomizer took 5103.89ms. Allocated memory was 167.8MB in the beginning and 260.0MB in the end (delta: 92.3MB). Free memory was 113.7MB in the beginning and 128.8MB in the end (delta: -15.1MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2024-11-12 21:04:38,346 INFO L158 Benchmark]: Witness Printer took 2.93ms. Allocated memory is still 260.0MB. Free memory was 128.8MB in the beginning and 127.9MB in the end (delta: 927.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:04:38,348 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.45ms. Allocated memory is still 167.8MB. Free memory was 97.6MB in the beginning and 130.5MB in the end (delta: -32.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.84ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 129.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.29ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 126.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 286.10ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 113.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5103.89ms. Allocated memory was 167.8MB in the beginning and 260.0MB in the end (delta: 92.3MB). Free memory was 113.7MB in the beginning and 128.8MB in the end (delta: -15.1MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. * Witness Printer took 2.93ms. Allocated memory is still 260.0MB. Free memory was 128.8MB in the beginning and 127.9MB in the end (delta: 927.9kB). 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: ~to!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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (length2 + ((long long) -1 * i)) and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 29 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital153 mio100 ax112 hnf100 lsp87 ukn80 mio100 lsp35 div138 bol100 ite100 ukn100 eq165 hnf91 smp85 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 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! [2024-11-12 21:04:38,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-12 21:04:38,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-12 21:04:38,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE