./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/Ex03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc 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/termination-restricted-15/Ex03.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b31ed4b72f45e3756b3103e506bd8e9f5ed0e7b74e7d7650bd4662c6650f610a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:15:14,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:15:14,275 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-19 14:15:14,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:15:14,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:15:14,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:15:14,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:15:14,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:15:14,312 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:15:14,315 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:15:14,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:15:14,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:15:14,316 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:15:14,316 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:15:14,316 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:15:14,316 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:15:14,316 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:15:14,317 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:15:14,318 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:15:14,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:15:14,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:15:14,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:15:14,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:15:14,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:15:14,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:15:14,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:15:14,319 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:15:14,319 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:15:14,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:15:14,320 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:15:14,320 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:15:14,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:15:14,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:15:14,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:15:14,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:15:14,321 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:15:14,321 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b31ed4b72f45e3756b3103e506bd8e9f5ed0e7b74e7d7650bd4662c6650f610a [2024-11-19 14:15:14,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:15:14,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:15:14,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:15:14,577 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:15:14,578 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:15:14,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/Ex03.c [2024-11-19 14:15:15,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:15:15,943 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:15:15,944 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/Ex03.c [2024-11-19 14:15:15,956 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c64b02ee3/ca0b9f740a7248f8b0b1511c0943a09a/FLAG0a514314c [2024-11-19 14:15:15,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c64b02ee3/ca0b9f740a7248f8b0b1511c0943a09a [2024-11-19 14:15:15,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:15:15,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:15:15,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:15:15,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:15:15,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:15:15,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:15:15" (1/1) ... [2024-11-19 14:15:15,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec1bfc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:15, skipping insertion in model container [2024-11-19 14:15:15,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:15:15" (1/1) ... [2024-11-19 14:15:16,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:15:16,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:15:16,164 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:15:16,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:15:16,187 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:15:16,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16 WrapperNode [2024-11-19 14:15:16,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:15:16,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:15:16,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:15:16,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:15:16,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16" (1/1) ... [2024-11-19 14:15:16,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16" (1/1) ... [2024-11-19 14:15:16,213 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2024-11-19 14:15:16,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:15:16,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:15:16,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:15:16,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:15:16,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16" (1/1) ... [2024-11-19 14:15:16,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16" (1/1) ... [2024-11-19 14:15:16,223 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16" (1/1) ... [2024-11-19 14:15:16,228 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 14:15:16,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16" (1/1) ... [2024-11-19 14:15:16,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16" (1/1) ... [2024-11-19 14:15:16,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16" (1/1) ... [2024-11-19 14:15:16,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16" (1/1) ... [2024-11-19 14:15:16,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16" (1/1) ... [2024-11-19 14:15:16,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16" (1/1) ... [2024-11-19 14:15:16,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:15:16,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:15:16,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:15:16,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:15:16,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16" (1/1) ... [2024-11-19 14:15:16,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:15:16,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:15:16,270 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) [2024-11-19 14:15:16,272 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 [2024-11-19 14:15:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:15:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:15:16,377 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:15:16,380 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:15:16,417 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-19 14:15:16,417 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:15:16,432 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:15:16,433 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 14:15:16,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:15:16 BoogieIcfgContainer [2024-11-19 14:15:16,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:15:16,434 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:15:16,434 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:15:16,441 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:15:16,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:15:16,442 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:15:15" (1/3) ... [2024-11-19 14:15:16,443 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b1682ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:15:16, skipping insertion in model container [2024-11-19 14:15:16,443 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:15:16,443 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:16" (2/3) ... [2024-11-19 14:15:16,443 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b1682ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:15:16, skipping insertion in model container [2024-11-19 14:15:16,443 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:15:16,443 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:15:16" (3/3) ... [2024-11-19 14:15:16,449 INFO L332 chiAutomizerObserver]: Analyzing ICFG Ex03.c [2024-11-19 14:15:16,519 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:15:16,519 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:15:16,519 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:15:16,519 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:15:16,519 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:15:16,519 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:15:16,519 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:15:16,520 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:15:16,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) [2024-11-19 14:15:16,538 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:15:16,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:15:16,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:15:16,543 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:15:16,544 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:15:16,544 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:15:16,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) [2024-11-19 14:15:16,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:15:16,545 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:15:16,545 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:15:16,545 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:15:16,545 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:15:16,551 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 3#L10-2true [2024-11-19 14:15:16,551 INFO L747 eck$LassoCheckResult]: Loop: 3#L10-2true assume !!(main_~i~0#1 < 0); 5#L10true assume !(-5 != main_~i~0#1); 3#L10-2true [2024-11-19 14:15:16,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:15:16,556 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-19 14:15:16,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:15:16,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240005943] [2024-11-19 14:15:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:15:16,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:15:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:15:16,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:15:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:15:16,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:15:16,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:15:16,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-11-19 14:15:16,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:15:16,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955019393] [2024-11-19 14:15:16,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:15:16,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:15:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:15:16,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:15:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:15:16,668 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:15:16,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:15:16,670 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-11-19 14:15:16,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:15:16,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300411880] [2024-11-19 14:15:16,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:15:16,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:15:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:15:16,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:15:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:15:16,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:15:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:15:16,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:15:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:15:16,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:15:16 BoogieIcfgContainer [2024-11-19 14:15:16,766 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:15:16,767 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:15:16,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:15:16,767 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:15:16,768 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:15:16" (3/4) ... [2024-11-19 14:15:16,770 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:15:16,802 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:15:16,802 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:15:16,804 INFO L158 Benchmark]: Toolchain (without parser) took 823.20ms. Allocated memory is still 161.5MB. Free memory was 129.7MB in the beginning and 114.2MB in the end (delta: 15.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-19 14:15:16,804 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:15:16,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.15ms. Allocated memory is still 161.5MB. Free memory was 129.7MB in the beginning and 118.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:15:16,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.01ms. Allocated memory is still 161.5MB. Free memory was 118.6MB in the beginning and 117.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:15:16,808 INFO L158 Benchmark]: Boogie Preprocessor took 23.18ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 115.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:15:16,808 INFO L158 Benchmark]: RCFGBuilder took 195.22ms. Allocated memory is still 161.5MB. Free memory was 115.9MB in the beginning and 132.2MB in the end (delta: -16.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-19 14:15:16,808 INFO L158 Benchmark]: BuchiAutomizer took 332.67ms. Allocated memory is still 161.5MB. Free memory was 132.2MB in the beginning and 115.6MB in the end (delta: 16.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 14:15:16,809 INFO L158 Benchmark]: Witness Printer took 35.31ms. Allocated memory is still 161.5MB. Free memory was 115.6MB in the beginning and 114.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:15:16,810 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.15ms. Allocated memory is still 161.5MB. Free memory was 129.7MB in the beginning and 118.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.01ms. Allocated memory is still 161.5MB. Free memory was 118.6MB in the beginning and 117.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.18ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 115.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 195.22ms. Allocated memory is still 161.5MB. Free memory was 115.9MB in the beginning and 132.2MB in the end (delta: -16.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 332.67ms. Allocated memory is still 161.5MB. Free memory was 132.2MB in the beginning and 115.6MB in the end (delta: 16.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 35.31ms. Allocated memory is still 161.5MB. Free memory was 115.6MB in the beginning and 114.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 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: 9]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() Loop: [L9] COND TRUE i < 0 [L10] COND FALSE !(i != -5) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() Loop: [L9] COND TRUE i < 0 [L10] COND FALSE !(i != -5) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-19 14:15:16,840 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)