./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/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.dk.eval-mul-div-a046e57-m [2024-10-13 17:21:46,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:21:46,762 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:21:46,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:21:46,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:21:46,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:21:46,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:21:46,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:21:46,793 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:21:46,794 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:21:46,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:21:46,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:21:46,795 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:21:46,795 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:21:46,796 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:21:46,796 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:21:46,796 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:21:46,797 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:21:46,797 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:21:46,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:21:46,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:21:46,802 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:21:46,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:21:46,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:21:46,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:21:46,803 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:21:46,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:21:46,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:21:46,804 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:21:46,804 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:21:46,804 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:21:46,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:21:46,805 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:21:46,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:21:46,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:21:46,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:21:46,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:21:46,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:21:46,813 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:21:46,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 [2024-10-13 17:21:47,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:21:47,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:21:47,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:21:47,095 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:21:47,095 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:21:47,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_security.c [2024-10-13 17:21:48,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:21:48,746 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:21:48,747 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_security.c [2024-10-13 17:21:48,757 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fecd5625/12ae7d7bb9f54c6e9f223685d610a52a/FLAG32f88531f [2024-10-13 17:21:49,137 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fecd5625/12ae7d7bb9f54c6e9f223685d610a52a [2024-10-13 17:21:49,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:21:49,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:21:49,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:21:49,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:21:49,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:21:49,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a3a4990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49, skipping insertion in model container [2024-10-13 17:21:49,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:21:49,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:21:49,392 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:21:49,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:21:49,441 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:21:49,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49 WrapperNode [2024-10-13 17:21:49,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:21:49,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:21:49,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:21:49,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:21:49,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,481 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 269 [2024-10-13 17:21:49,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:21:49,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:21:49,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:21:49,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:21:49,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,497 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,510 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]. [2024-10-13 17:21:49,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:21:49,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:21:49,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:21:49,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:21:49,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49" (1/1) ... [2024-10-13 17:21:49,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:21:49,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:21:49,584 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) [2024-10-13 17:21:49,589 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 [2024-10-13 17:21:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:21:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:21:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:21:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:21:49,717 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:21:49,720 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:21:50,095 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-10-13 17:21:50,095 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:21:50,122 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:21:50,123 INFO L314 CfgBuilder]: Removed 18 assume(true) statements. [2024-10-13 17:21:50,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:21:50 BoogieIcfgContainer [2024-10-13 17:21:50,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:21:50,124 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:21:50,126 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:21:50,131 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:21:50,133 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:21:50,134 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:21:49" (1/3) ... [2024-10-13 17:21:50,135 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c2ec1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:21:50, skipping insertion in model container [2024-10-13 17:21:50,136 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:21:50,136 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:21:49" (2/3) ... [2024-10-13 17:21:50,136 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c2ec1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:21:50, skipping insertion in model container [2024-10-13 17:21:50,136 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:21:50,137 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:21:50" (3/3) ... [2024-10-13 17:21:50,139 INFO L332 chiAutomizerObserver]: Analyzing ICFG psyco_security.c [2024-10-13 17:21:50,201 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:21:50,201 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:21:50,201 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:21:50,201 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:21:50,202 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:21:50,202 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:21:50,202 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:21:50,203 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:21:50,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 78 states, 77 states have (on average 1.9090909090909092) internal successors, (147), 77 states have internal predecessors, (147), 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) [2024-10-13 17:21:50,232 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2024-10-13 17:21:50,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:21:50,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:21:50,241 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 17:21:50,242 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:21:50,242 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:21:50,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 78 states, 77 states have (on average 1.9090909090909092) internal successors, (147), 77 states have internal predecessors, (147), 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) [2024-10-13 17:21:50,249 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2024-10-13 17:21:50,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:21:50,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:21:50,251 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 17:21:50,251 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:21:50,260 INFO L745 eck$LassoCheckResult]: Stem: 37#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(17, 2);call #Ultimate.allocInit(12, 3);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 49#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~q~0#1, main_~method_id~0#1, main_~this_state~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_state~0#1 := 0; 4#L24-2true [2024-10-13 17:21:50,260 INFO L747 eck$LassoCheckResult]: Loop: 4#L24-2true goto; 71#L368-2true assume !false; 25#L29true assume !(0 == main_~q~0#1); 58#L49true assume !(1 == main_~q~0#1); 65#L101true assume !(2 == main_~q~0#1); 38#L185true assume !(3 == main_~q~0#1); 61#L285true assume !(4 == main_~q~0#1); 4#L24-2true [2024-10-13 17:21:50,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:21:50,270 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-13 17:21:50,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:21:50,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127394978] [2024-10-13 17:21:50,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:21:50,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:21:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:21:50,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:21:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:21:50,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:21:50,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:21:50,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1175019824, now seen corresponding path program 1 times [2024-10-13 17:21:50,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:21:50,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135523265] [2024-10-13 17:21:50,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:21:50,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:21:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:21:50,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:21:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:21:50,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:21:50,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:21:50,435 INFO L85 PathProgramCache]: Analyzing trace with hash 371277006, now seen corresponding path program 1 times [2024-10-13 17:21:50,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:21:50,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666340169] [2024-10-13 17:21:50,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:21:50,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:21:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:21:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:21:50,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:21:50,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666340169] [2024-10-13 17:21:50,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666340169] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:21:50,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:21:50,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:21:50,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418215116] [2024-10-13 17:21:50,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:21:50,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:21:50,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:21:50,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:21:50,620 INFO L87 Difference]: Start difference. First operand has 78 states, 77 states have (on average 1.9090909090909092) internal successors, (147), 77 states have internal predecessors, (147), 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-10-13 17:21:50,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:21:50,696 INFO L93 Difference]: Finished difference Result 80 states and 122 transitions. [2024-10-13 17:21:50,698 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 122 transitions. [2024-10-13 17:21:50,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2024-10-13 17:21:50,707 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 59 states and 81 transitions. [2024-10-13 17:21:50,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2024-10-13 17:21:50,708 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2024-10-13 17:21:50,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2024-10-13 17:21:50,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:21:50,709 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 81 transitions. [2024-10-13 17:21:50,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2024-10-13 17:21:50,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-10-13 17:21:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 58 states have internal predecessors, (81), 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) [2024-10-13 17:21:50,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2024-10-13 17:21:50,735 INFO L240 hiAutomatonCegarLoop]: Abstraction has 59 states and 81 transitions. [2024-10-13 17:21:50,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:21:50,741 INFO L425 stractBuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2024-10-13 17:21:50,741 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:21:50,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2024-10-13 17:21:50,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2024-10-13 17:21:50,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:21:50,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:21:50,744 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-13 17:21:50,744 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:21:50,744 INFO L745 eck$LassoCheckResult]: Stem: 207#$Ultimate##0 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; 208#L-1 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; 172#L24-2 goto; 171#L368-2 [2024-10-13 17:21:50,745 INFO L747 eck$LassoCheckResult]: Loop: 171#L368-2 assume !false; 199#L29 assume 0 == main_~q~0#1;havoc main_#t~nondet4#1; 169#L30 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 171#L368-2 [2024-10-13 17:21:50,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:21:50,745 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2024-10-13 17:21:50,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:21:50,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420193203] [2024-10-13 17:21:50,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:21:50,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:21:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:21:50,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:21:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:21:50,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:21:50,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:21:50,764 INFO L85 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2024-10-13 17:21:50,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:21:50,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388183522] [2024-10-13 17:21:50,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:21:50,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:21:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:21:50,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:21:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:21:50,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:21:50,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:21:50,774 INFO L85 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2024-10-13 17:21:50,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:21:50,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724222357] [2024-10-13 17:21:50,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:21:50,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:21:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:21:50,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:21:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:21:50,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:21:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:21:51,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:21:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:21:51,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:21:51 BoogieIcfgContainer [2024-10-13 17:21:51,141 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:21:51,142 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:21:51,142 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:21:51,142 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:21:51,143 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:21:50" (3/4) ... [2024-10-13 17:21:51,145 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:21:51,177 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:21:51,178 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:21:51,179 INFO L158 Benchmark]: Toolchain (without parser) took 2037.02ms. Allocated memory was 182.5MB in the beginning and 239.1MB in the end (delta: 56.6MB). Free memory was 127.2MB in the beginning and 190.7MB in the end (delta: -63.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:21:51,179 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 182.5MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:21:51,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.20ms. Allocated memory is still 182.5MB. Free memory was 126.7MB in the beginning and 111.9MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 17:21:51,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.61ms. Allocated memory is still 182.5MB. Free memory was 111.9MB in the beginning and 110.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:21:51,180 INFO L158 Benchmark]: Boogie Preprocessor took 62.43ms. Allocated memory is still 182.5MB. Free memory was 110.0MB in the beginning and 107.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:21:51,181 INFO L158 Benchmark]: RCFGBuilder took 577.63ms. Allocated memory is still 182.5MB. Free memory was 107.5MB in the beginning and 88.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 17:21:51,181 INFO L158 Benchmark]: BuchiAutomizer took 1017.09ms. Allocated memory was 182.5MB in the beginning and 239.1MB in the end (delta: 56.6MB). Free memory was 88.2MB in the beginning and 192.8MB in the end (delta: -104.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:21:51,182 INFO L158 Benchmark]: Witness Printer took 35.84ms. Allocated memory is still 239.1MB. Free memory was 192.8MB in the beginning and 190.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:21:51,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 182.5MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.20ms. Allocated memory is still 182.5MB. Free memory was 126.7MB in the beginning and 111.9MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.61ms. Allocated memory is still 182.5MB. Free memory was 111.9MB in the beginning and 110.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.43ms. Allocated memory is still 182.5MB. Free memory was 110.0MB in the beginning and 107.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.63ms. Allocated memory is still 182.5MB. Free memory was 107.5MB in the beginning and 88.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1017.09ms. Allocated memory was 182.5MB in the beginning and 239.1MB in the end (delta: 56.6MB). Free memory was 88.2MB in the beginning and 192.8MB in the end (delta: -104.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.84ms. Allocated memory is still 239.1MB. Free memory was 192.8MB in the beginning and 190.7MB in the end (delta: 2.1MB). 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 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 209 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 118 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! [2024-10-13 17:21:51,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)