./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d 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/psyco/psyco_security.c -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 c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:27:25,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:27:25,529 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:27:25,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:27:25,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:27:25,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:27:25,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:27:25,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:27:25,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:27:25,564 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:27:25,565 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:27:25,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:27:25,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:27:25,568 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:27:25,568 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:27:25,569 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:27:25,569 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:27:25,569 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:27:25,570 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:27:25,570 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:27:25,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:27:25,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:27:25,574 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:27:25,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:27:25,575 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:27:25,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:27:25,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:27:25,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:27:25,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:27:25,576 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:27:25,576 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:27:25,577 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:27:25,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:27:25,577 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:27:25,577 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:27:25,578 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:27:25,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:27:25,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:27:25,578 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:27:25,579 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:27:25,579 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 [2024-11-17 08:27:25,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:27:25,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:27:25,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:27:25,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:27:25,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:27:25,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_security.c [2024-11-17 08:27:27,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:27:27,570 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:27:27,571 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_security.c [2024-11-17 08:27:27,584 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00531e677/581d9b29fcf446279a905f35d9cd4bfa/FLAG175a8f6af [2024-11-17 08:27:27,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00531e677/581d9b29fcf446279a905f35d9cd4bfa [2024-11-17 08:27:27,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:27:27,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:27:27,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:27:27,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:27:27,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:27:27,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:27:27" (1/1) ... [2024-11-17 08:27:27,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bbe8c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:27, skipping insertion in model container [2024-11-17 08:27:27,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:27:27" (1/1) ... [2024-11-17 08:27:27,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:27:28,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:27:28,247 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:27:28,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:27:28,290 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:27:28,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28 WrapperNode [2024-11-17 08:27:28,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:27:28,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:27:28,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:27:28,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:27:28,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28" (1/1) ... [2024-11-17 08:27:28,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28" (1/1) ... [2024-11-17 08:27:28,328 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 269 [2024-11-17 08:27:28,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:27:28,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:27:28,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:27:28,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:27:28,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28" (1/1) ... [2024-11-17 08:27:28,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28" (1/1) ... [2024-11-17 08:27:28,353 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28" (1/1) ... [2024-11-17 08:27:28,393 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:27:28,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28" (1/1) ... [2024-11-17 08:27:28,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28" (1/1) ... [2024-11-17 08:27:28,406 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28" (1/1) ... [2024-11-17 08:27:28,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28" (1/1) ... [2024-11-17 08:27:28,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28" (1/1) ... [2024-11-17 08:27:28,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28" (1/1) ... [2024-11-17 08:27:28,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:27:28,431 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:27:28,432 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:27:28,432 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:27:28,432 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28" (1/1) ... [2024-11-17 08:27:28,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:27:28,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:27:28,462 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) [2024-11-17 08:27:28,465 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 [2024-11-17 08:27:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:27:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:27:28,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:27:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:27:28,556 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:27:28,558 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:27:28,869 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-17 08:27:28,869 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:27:28,887 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:27:28,887 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:27:28,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:27:28 BoogieIcfgContainer [2024-11-17 08:27:28,888 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:27:28,889 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:27:28,889 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:27:28,893 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:27:28,894 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:27:28,894 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:27:27" (1/3) ... [2024-11-17 08:27:28,895 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bb36c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:27:28, skipping insertion in model container [2024-11-17 08:27:28,895 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:27:28,895 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:27:28" (2/3) ... [2024-11-17 08:27:28,897 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bb36c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:27:28, skipping insertion in model container [2024-11-17 08:27:28,897 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:27:28,897 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:27:28" (3/3) ... [2024-11-17 08:27:28,900 INFO L332 chiAutomizerObserver]: Analyzing ICFG psyco_security.c [2024-11-17 08:27:28,961 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:27:28,961 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:27:28,961 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:27:28,961 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:27:28,961 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:27:28,961 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:27:28,961 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:27:28,962 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:27:28,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.8974358974358974) internal successors, (148), 78 states have internal predecessors, (148), 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) [2024-11-17 08:27:28,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2024-11-17 08:27:28,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:27:28,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:27:28,993 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:27:28,993 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:27:28,993 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:27:28,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.8974358974358974) internal successors, (148), 78 states have internal predecessors, (148), 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) [2024-11-17 08:27:28,998 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2024-11-17 08:27:28,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:27:28,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:27:28,999 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-17 08:27:28,999 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:27:29,005 INFO L745 eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(17, 2);call #Ultimate.allocInit(12, 3);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 36#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~q~0#1, main_~method_id~0#1, main_~this_state~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_state~0#1 := 0; 61#L24true [2024-11-17 08:27:29,005 INFO L747 eck$LassoCheckResult]: Loop: 61#L24true assume true; 47#L44true assume true; 7#L24-1true assume !false; 25#L29true assume !(0 == main_~q~0#1); 58#L49true assume !(1 == main_~q~0#1); 66#L101true assume !(2 == main_~q~0#1); 38#L185true assume !(3 == main_~q~0#1); 60#L285true assume !(4 == main_~q~0#1); 61#L24true [2024-11-17 08:27:29,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:27:29,010 INFO L85 PathProgramCache]: Analyzing trace with hash 9536, now seen corresponding path program 1 times [2024-11-17 08:27:29,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:27:29,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915130858] [2024-11-17 08:27:29,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:27:29,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:27:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:27:29,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:27:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:27:29,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:27:29,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:27:29,118 INFO L85 PathProgramCache]: Analyzing trace with hash 2036688208, now seen corresponding path program 1 times [2024-11-17 08:27:29,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:27:29,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99038662] [2024-11-17 08:27:29,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:27:29,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:27:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:27:29,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:27:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:27:29,135 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:27:29,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:27:29,136 INFO L85 PathProgramCache]: Analyzing trace with hash -632824945, now seen corresponding path program 1 times [2024-11-17 08:27:29,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:27:29,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541207592] [2024-11-17 08:27:29,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:27:29,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:27:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:27:29,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:27:29,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:27:29,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541207592] [2024-11-17 08:27:29,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541207592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:27:29,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:27:29,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:27:29,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293410249] [2024-11-17 08:27:29,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:27:29,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:27:29,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:27:29,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:27:29,305 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.8974358974358974) internal successors, (148), 78 states have internal predecessors, (148), 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 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-17 08:27:29,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:27:29,370 INFO L93 Difference]: Finished difference Result 82 states and 124 transitions. [2024-11-17 08:27:29,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 124 transitions. [2024-11-17 08:27:29,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2024-11-17 08:27:29,379 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 61 states and 83 transitions. [2024-11-17 08:27:29,380 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 61 [2024-11-17 08:27:29,380 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61 [2024-11-17 08:27:29,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 83 transitions. [2024-11-17 08:27:29,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:27:29,381 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 83 transitions. [2024-11-17 08:27:29,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 83 transitions. [2024-11-17 08:27:29,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-17 08:27:29,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.360655737704918) internal successors, (83), 60 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:27:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 83 transitions. [2024-11-17 08:27:29,403 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 83 transitions. [2024-11-17 08:27:29,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:27:29,409 INFO L425 stractBuchiCegarLoop]: Abstraction has 61 states and 83 transitions. [2024-11-17 08:27:29,409 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:27:29,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 83 transitions. [2024-11-17 08:27:29,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2024-11-17 08:27:29,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:27:29,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:27:29,411 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-17 08:27:29,411 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-17 08:27:29,411 INFO L745 eck$LassoCheckResult]: Stem: 230#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(17, 2);call #Ultimate.allocInit(12, 3);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 209#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~q~0#1, main_~method_id~0#1, main_~this_state~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_state~0#1 := 0; 210#L24 assume true; 174#L44 [2024-11-17 08:27:29,411 INFO L747 eck$LassoCheckResult]: Loop: 174#L44 assume true; 177#L24-1 assume !false; 178#L29 assume 0 == main_~q~0#1;havoc main_#t~nondet4#1; 172#L30 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 174#L44 [2024-11-17 08:27:29,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:27:29,412 INFO L85 PathProgramCache]: Analyzing trace with hash 295881, now seen corresponding path program 1 times [2024-11-17 08:27:29,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:27:29,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595819241] [2024-11-17 08:27:29,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:27:29,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:27:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:27:29,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:27:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:27:29,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:27:29,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:27:29,431 INFO L85 PathProgramCache]: Analyzing trace with hash 9049407, now seen corresponding path program 1 times [2024-11-17 08:27:29,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:27:29,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999981461] [2024-11-17 08:27:29,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:27:29,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:27:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:27:29,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:27:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:27:29,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:27:29,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:27:29,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1617464057, now seen corresponding path program 1 times [2024-11-17 08:27:29,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:27:29,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348363966] [2024-11-17 08:27:29,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:27:29,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:27:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:27:29,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:27:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:27:29,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:27:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:27:29,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:27:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:27:29,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:27:29 BoogieIcfgContainer [2024-11-17 08:27:29,752 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:27:29,753 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:27:29,753 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:27:29,753 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:27:29,754 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:27:28" (3/4) ... [2024-11-17 08:27:29,757 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:27:29,798 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:27:29,798 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:27:29,799 INFO L158 Benchmark]: Toolchain (without parser) took 1849.32ms. Allocated memory is still 188.7MB. Free memory was 120.3MB in the beginning and 83.9MB in the end (delta: 36.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-17 08:27:29,799 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:27:29,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.66ms. Allocated memory is still 188.7MB. Free memory was 120.1MB in the beginning and 106.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 08:27:29,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.67ms. Allocated memory is still 188.7MB. Free memory was 106.0MB in the beginning and 103.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:27:29,800 INFO L158 Benchmark]: Boogie Preprocessor took 85.85ms. Allocated memory is still 188.7MB. Free memory was 103.9MB in the beginning and 160.3MB in the end (delta: -56.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-17 08:27:29,801 INFO L158 Benchmark]: IcfgBuilder took 456.69ms. Allocated memory is still 188.7MB. Free memory was 160.3MB in the beginning and 140.6MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 08:27:29,801 INFO L158 Benchmark]: BuchiAutomizer took 863.13ms. Allocated memory is still 188.7MB. Free memory was 140.6MB in the beginning and 85.7MB in the end (delta: 55.0MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-17 08:27:29,801 INFO L158 Benchmark]: Witness Printer took 45.08ms. Allocated memory is still 188.7MB. Free memory was 85.7MB in the beginning and 83.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:27:29,804 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.66ms. Allocated memory is still 188.7MB. Free memory was 120.1MB in the beginning and 106.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.67ms. Allocated memory is still 188.7MB. Free memory was 106.0MB in the beginning and 103.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.85ms. Allocated memory is still 188.7MB. Free memory was 103.9MB in the beginning and 160.3MB in the end (delta: -56.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * IcfgBuilder took 456.69ms. Allocated memory is still 188.7MB. Free memory was 160.3MB in the beginning and 140.6MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 863.13ms. Allocated memory is still 188.7MB. Free memory was 140.6MB in the beginning and 85.7MB in the end (delta: 55.0MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 45.08ms. Allocated memory is still 188.7MB. Free memory was 85.7MB in the beginning and 83.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 61 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 211 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 92 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 119 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 24]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L7] int m_initSign = 1; [L8] int m_initVerify = 2; [L9] int m_Signature = 3; [L10] int m_sign = 4; [L11] int m_verify = 5; [L12] int m_update = 6; VAL [m_Signature=3, m_initSign=1, m_initVerify=2, m_sign=4, m_update=6, m_verify=5] [L17] int q = 0; [L18] int method_id; [L21] int this_state = 0; VAL [m_Signature=3, m_initSign=1, m_initVerify=2, m_sign=4, m_update=6, m_verify=5, q=0, this_state=0] Loop: [L24] COND TRUE 1 [L29] COND TRUE q == 0 [L30] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 24]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L7] int m_initSign = 1; [L8] int m_initVerify = 2; [L9] int m_Signature = 3; [L10] int m_sign = 4; [L11] int m_verify = 5; [L12] int m_update = 6; VAL [m_Signature=3, m_initSign=1, m_initVerify=2, m_sign=4, m_update=6, m_verify=5] [L17] int q = 0; [L18] int method_id; [L21] int this_state = 0; VAL [m_Signature=3, m_initSign=1, m_initVerify=2, m_sign=4, m_update=6, m_verify=5, q=0, this_state=0] Loop: [L24] COND TRUE 1 [L29] COND TRUE q == 0 [L30] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:27:29,836 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)