./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/css2003.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d 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/loop-lit/css2003.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cc40df30b48f0dde21200c49a8e3c2dcaea3151eb010f51f5a34e59bc04994b --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:51:43,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:51:43,618 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 15:51:43,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:51:43,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:51:43,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:51:43,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:51:43,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:51:43,670 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:51:43,670 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:51:43,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:51:43,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:51:43,671 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:51:43,671 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 15:51:43,672 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 15:51:43,672 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 15:51:43,677 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 15:51:43,677 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 15:51:43,678 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 15:51:43,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:51:43,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 15:51:43,682 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:51:43,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:51:43,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:51:43,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:51:43,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 15:51:43,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 15:51:43,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 15:51:43,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:51:43,686 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:51:43,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:51:43,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:51:43,686 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 15:51:43,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:51:43,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:51:43,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:51:43,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:51:43,687 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:51:43,687 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 15:51:43,687 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cc40df30b48f0dde21200c49a8e3c2dcaea3151eb010f51f5a34e59bc04994b [2024-11-09 15:51:44,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:51:44,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:51:44,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:51:44,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:51:44,094 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:51:44,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/css2003.i [2024-11-09 15:51:45,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:51:45,612 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:51:45,612 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/css2003.i [2024-11-09 15:51:45,620 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e06eeb26/123cc185037b4cfa8fa3b16a97cfe9e0/FLAG89cb1a586 [2024-11-09 15:51:46,026 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e06eeb26/123cc185037b4cfa8fa3b16a97cfe9e0 [2024-11-09 15:51:46,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:51:46,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:51:46,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:51:46,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:51:46,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:51:46,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77fe536f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46, skipping insertion in model container [2024-11-09 15:51:46,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:51:46,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:51:46,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:51:46,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:51:46,393 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:51:46,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46 WrapperNode [2024-11-09 15:51:46,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:51:46,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:51:46,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:51:46,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:51:46,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,416 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 37 [2024-11-09 15:51:46,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:51:46,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:51:46,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:51:46,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:51:46,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,427 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,434 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]. [2024-11-09 15:51:46,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:51:46,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:51:46,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:51:46,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:51:46,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46" (1/1) ... [2024-11-09 15:51:46,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:46,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:46,469 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) [2024-11-09 15:51:46,472 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 [2024-11-09 15:51:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 15:51:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 15:51:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:51:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:51:46,594 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:51:46,595 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:51:46,739 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 15:51:46,743 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:51:46,761 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:51:46,762 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 15:51:46,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:51:46 BoogieIcfgContainer [2024-11-09 15:51:46,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:51:46,763 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 15:51:46,763 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 15:51:46,766 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 15:51:46,767 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:51:46,767 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 03:51:46" (1/3) ... [2024-11-09 15:51:46,768 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23cae9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:51:46, skipping insertion in model container [2024-11-09 15:51:46,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:51:46,769 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:51:46" (2/3) ... [2024-11-09 15:51:46,769 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23cae9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:51:46, skipping insertion in model container [2024-11-09 15:51:46,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:51:46,770 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:51:46" (3/3) ... [2024-11-09 15:51:46,771 INFO L332 chiAutomizerObserver]: Analyzing ICFG css2003.i [2024-11-09 15:51:46,835 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 15:51:46,836 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 15:51:46,836 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 15:51:46,836 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 15:51:46,836 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 15:51:46,836 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 15:51:46,837 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 15:51:46,837 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 15:51:46,845 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2024-11-09 15:51:46,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-09 15:51:46,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:51:46,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:51:46,881 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-09 15:51:46,881 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:51:46,881 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 15:51:46,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2024-11-09 15:51:46,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-09 15:51:46,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:51:46,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:51:46,884 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-09 15:51:46,888 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-09 15:51:46,898 INFO L745 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 1;main_~j~0#1 := 1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L29true assume !!(0 <= main_~k~0#1 && main_~k~0#1 <= 1); 4#L30-2true [2024-11-09 15:51:46,899 INFO L747 eck$LassoCheckResult]: Loop: 4#L30-2true assume !!(main_~i~0#1 < 1000000);main_~i~0#1 := 1 + main_~i~0#1;main_~j~0#1 := main_~j~0#1 + main_~k~0#1;main_~k~0#1 := main_~k~0#1 - 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if (1 <= main_~i~0#1 + main_~k~0#1 && main_~i~0#1 + main_~k~0#1 <= 2) && main_~i~0#1 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7#L18true assume !(0 == __VERIFIER_assert_~cond#1); 9#L18-2true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 4#L30-2true [2024-11-09 15:51:46,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:51:46,908 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-09 15:51:46,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:51:46,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998366970] [2024-11-09 15:51:46,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:51:46,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:51:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:51:47,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:51:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:51:47,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:51:47,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:51:47,089 INFO L85 PathProgramCache]: Analyzing trace with hash 46130, now seen corresponding path program 1 times [2024-11-09 15:51:47,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:51:47,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502232293] [2024-11-09 15:51:47,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:51:47,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:51:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:51:47,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:51:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:51:47,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:51:47,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:51:47,143 INFO L85 PathProgramCache]: Analyzing trace with hash 889575599, now seen corresponding path program 1 times [2024-11-09 15:51:47,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:51:47,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453059411] [2024-11-09 15:51:47,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:51:47,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:51:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:51:47,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:51:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:51:47,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:51:47,433 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:51:47,434 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:51:47,435 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:51:47,435 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:51:47,435 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:51:47,435 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:47,435 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:51:47,435 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:51:47,435 INFO L132 ssoRankerPreferences]: Filename of dumped script: css2003.i_Iteration1_Loop [2024-11-09 15:51:47,436 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:51:47,436 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:51:47,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:47,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:47,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:47,531 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:51:47,531 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:51:47,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:47,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:47,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:51:47,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-09 15:51:47,537 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:51:47,537 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:51:47,552 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:51:47,552 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-09 15:51:47,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-09 15:51:47,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:47,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:47,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:51:47,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-09 15:51:47,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:51:47,570 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:51:47,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-09 15:51:47,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:47,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:47,593 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:51:47,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-09 15:51:47,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:51:47,596 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:51:47,628 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:51:47,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-09 15:51:47,634 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:51:47,634 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:51:47,634 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:51:47,634 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:51:47,634 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:51:47,634 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:47,634 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:51:47,635 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:51:47,635 INFO L132 ssoRankerPreferences]: Filename of dumped script: css2003.i_Iteration1_Loop [2024-11-09 15:51:47,635 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:51:47,635 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:51:47,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:47,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:47,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:51:47,701 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:51:47,705 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:51:47,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:47,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:47,707 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:51:47,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-09 15:51:47,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:51:47,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:51:47,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:51:47,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:51:47,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:51:47,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:51:47,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:51:47,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:51:47,727 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:51:47,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-09 15:51:47,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:47,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:47,740 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:51:47,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-09 15:51:47,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:51:47,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:51:47,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:51:47,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:51:47,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:51:47,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:51:47,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:51:47,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:51:47,761 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:51:47,764 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:51:47,764 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:51:47,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:51:47,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:51:47,786 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:51:47,791 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:51:47,791 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:51:47,791 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:51:47,792 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 1999999 Supporting invariants [] [2024-11-09 15:51:47,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-09 15:51:47,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-09 15:51:47,808 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:51:47,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:51:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:51:47,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:51:47,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:51:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:51:47,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:51:47,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:51:47,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:51:47,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-09 15:51:47,940 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-09 15:51:47,942 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:51:48,021 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 39 transitions. Complement of second has 6 states. [2024-11-09 15:51:48,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:51:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:51:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2024-11-09 15:51:48,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-09 15:51:48,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:51:48,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-09 15:51:48,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:51:48,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-09 15:51:48,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:51:48,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 39 transitions. [2024-11-09 15:51:48,031 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:51:48,032 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2024-11-09 15:51:48,033 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:51:48,033 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:51:48,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:51:48,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:51:48,034 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:51:48,034 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:51:48,034 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:51:48,034 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 15:51:48,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-09 15:51:48,034 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:51:48,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-09 15:51:48,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 03:51:48 BoogieIcfgContainer [2024-11-09 15:51:48,039 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 15:51:48,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:51:48,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:51:48,040 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:51:48,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:51:46" (3/4) ... [2024-11-09 15:51:48,042 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 15:51:48,043 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:51:48,044 INFO L158 Benchmark]: Toolchain (without parser) took 2014.89ms. Allocated memory was 136.3MB in the beginning and 207.6MB in the end (delta: 71.3MB). Free memory was 66.0MB in the beginning and 168.0MB in the end (delta: -102.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:51:48,044 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:51:48,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.79ms. Allocated memory was 136.3MB in the beginning and 207.6MB in the end (delta: 71.3MB). Free memory was 65.8MB in the beginning and 170.3MB in the end (delta: -104.5MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-09 15:51:48,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.97ms. Allocated memory is still 207.6MB. Free memory was 170.3MB in the beginning and 168.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:51:48,045 INFO L158 Benchmark]: Boogie Preprocessor took 25.30ms. Allocated memory is still 207.6MB. Free memory was 168.3MB in the beginning and 167.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:51:48,045 INFO L158 Benchmark]: RCFGBuilder took 319.92ms. Allocated memory is still 207.6MB. Free memory was 167.2MB in the beginning and 157.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 15:51:48,046 INFO L158 Benchmark]: BuchiAutomizer took 1276.28ms. Allocated memory is still 207.6MB. Free memory was 156.7MB in the beginning and 169.1MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:51:48,046 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 207.6MB. Free memory was 169.1MB in the beginning and 168.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:51:48,048 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.79ms. Allocated memory was 136.3MB in the beginning and 207.6MB in the end (delta: 71.3MB). Free memory was 65.8MB in the beginning and 170.3MB in the end (delta: -104.5MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.97ms. Allocated memory is still 207.6MB. Free memory was 170.3MB in the beginning and 168.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.30ms. Allocated memory is still 207.6MB. Free memory was 168.3MB in the beginning and 167.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.92ms. Allocated memory is still 207.6MB. Free memory was 167.2MB in the beginning and 157.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1276.28ms. Allocated memory is still 207.6MB. Free memory was 156.7MB in the beginning and 169.1MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 207.6MB. Free memory was 169.1MB in the beginning and 168.0MB in the end (delta: 1.1MB). 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 (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * i) + 1999999) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 10 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital33 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-09 15:51:48,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE