./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version fca748b1 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/loop-invgen/apache-get-tag.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 ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 22:40:58,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 22:40:58,959 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-20 22:40:58,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 22:40:58,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 22:40:58,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 22:40:58,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 22:40:58,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 22:40:58,994 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 22:40:58,995 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 22:40:58,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 22:40:58,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 22:40:58,995 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 22:40:58,996 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-20 22:40:58,996 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-20 22:40:58,998 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-20 22:40:58,998 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-20 22:40:58,999 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-20 22:40:58,999 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-20 22:40:59,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 22:40:59,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-20 22:40:59,000 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 22:40:59,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 22:40:59,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 22:40:59,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 22:40:59,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-20 22:40:59,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-20 22:40:59,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-20 22:40:59,002 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 22:40:59,002 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 22:40:59,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 22:40:59,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 22:40:59,003 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-20 22:40:59,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 22:40:59,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 22:40:59,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 22:40:59,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 22:40:59,004 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 22:40:59,005 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-20 22:40:59,005 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 [2024-11-20 22:40:59,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 22:40:59,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 22:40:59,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 22:40:59,220 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 22:40:59,221 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 22:40:59,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2024-11-20 22:41:00,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 22:41:00,702 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 22:41:00,703 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2024-11-20 22:41:00,711 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0668468ed/5c3b9baeea5a42ae89569e4e81fee955/FLAG86eac74a5 [2024-11-20 22:41:00,728 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0668468ed/5c3b9baeea5a42ae89569e4e81fee955 [2024-11-20 22:41:00,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 22:41:00,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 22:41:00,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 22:41:00,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 22:41:00,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 22:41:00,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:00,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64463ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00, skipping insertion in model container [2024-11-20 22:41:00,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:00,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 22:41:00,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:41:00,949 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 22:41:00,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:41:00,988 INFO L204 MainTranslator]: Completed translation [2024-11-20 22:41:00,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00 WrapperNode [2024-11-20 22:41:00,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 22:41:00,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 22:41:00,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 22:41:00,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 22:41:00,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:01,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:01,030 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 19, calls inlined = 34, statements flattened = 210 [2024-11-20 22:41:01,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 22:41:01,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 22:41:01,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 22:41:01,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 22:41:01,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:01,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:01,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:01,065 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]. [2024-11-20 22:41:01,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:01,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:01,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:01,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:01,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:01,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:01,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 22:41:01,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 22:41:01,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 22:41:01,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 22:41:01,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00" (1/1) ... [2024-11-20 22:41:01,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:41:01,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:41:01,148 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) [2024-11-20 22:41:01,154 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 [2024-11-20 22:41:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 22:41:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 22:41:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 22:41:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 22:41:01,282 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 22:41:01,285 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 22:41:01,525 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-20 22:41:01,525 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 22:41:01,543 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 22:41:01,543 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 22:41:01,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:41:01 BoogieIcfgContainer [2024-11-20 22:41:01,545 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 22:41:01,546 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-20 22:41:01,546 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-20 22:41:01,549 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-20 22:41:01,550 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:41:01,550 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:41:00" (1/3) ... [2024-11-20 22:41:01,551 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ccd94d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:41:01, skipping insertion in model container [2024-11-20 22:41:01,552 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:41:01,552 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:41:00" (2/3) ... [2024-11-20 22:41:01,552 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ccd94d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:41:01, skipping insertion in model container [2024-11-20 22:41:01,552 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:41:01,553 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:41:01" (3/3) ... [2024-11-20 22:41:01,554 INFO L332 chiAutomizerObserver]: Analyzing ICFG apache-get-tag.i [2024-11-20 22:41:01,608 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-20 22:41:01,609 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-20 22:41:01,609 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-20 22:41:01,609 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-20 22:41:01,609 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-20 22:41:01,609 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-20 22:41:01,610 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-20 22:41:01,610 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-20 22:41:01,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.4444444444444444) internal successors, (143), 99 states have internal predecessors, (143), 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) [2024-11-20 22:41:01,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 40 [2024-11-20 22:41:01,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:41:01,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:41:01,640 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-20 22:41:01,641 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:41:01,641 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-20 22:41:01,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.4444444444444444) internal successors, (143), 99 states have internal predecessors, (143), 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) [2024-11-20 22:41:01,646 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 40 [2024-11-20 22:41:01,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:41:01,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:41:01,647 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-20 22:41:01,649 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:41:01,655 INFO L745 eck$LassoCheckResult]: Stem: 29#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 36#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~pre2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~post8#1, main_#t~nondet9#1, main_#t~post10#1, main_~tagbuf_len~0#1, main_~t~0#1;havoc main_~tagbuf_len~0#1;havoc main_~t~0#1;havoc main_#t~nondet1#1;main_~tagbuf_len~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 70#L29true assume main_~tagbuf_len~0#1 >= 1; 94#L29-1true main_~t~0#1 := 0;main_#t~pre2#1 := main_~tagbuf_len~0#1 - 1;main_~tagbuf_len~0#1 := main_~tagbuf_len~0#1 - 1;havoc main_#t~pre2#1; 86#L32-2true [2024-11-20 22:41:01,656 INFO L747 eck$LassoCheckResult]: Loop: 86#L32-2true assume !false; 22#L33true assume !(main_~t~0#1 == main_~tagbuf_len~0#1);havoc main_#t~nondet3#1; 56#L38true assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~t~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 43#L18-6true assume !(0 == __VERIFIER_assert_~cond#1); 37#L18-8true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~t~0#1 <= main_~tagbuf_len~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 48#L18-9true assume !(0 == __VERIFIER_assert_~cond#1); 76#L18-11true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~t~0#1;main_~t~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 86#L32-2true [2024-11-20 22:41:01,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:41:01,661 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2024-11-20 22:41:01,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:41:01,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132670416] [2024-11-20 22:41:01,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:41:01,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:41:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:41:01,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:41:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:41:01,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:41:01,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:41:01,765 INFO L85 PathProgramCache]: Analyzing trace with hash -2065496964, now seen corresponding path program 1 times [2024-11-20 22:41:01,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:41:01,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460683034] [2024-11-20 22:41:01,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:41:01,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:41:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:41:01,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:41:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:41:01,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:41:01,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:41:01,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1719198186, now seen corresponding path program 1 times [2024-11-20 22:41:01,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:41:01,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669352795] [2024-11-20 22:41:01,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:41:01,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:41:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:41:01,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:41:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:41:01,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:41:01,980 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:41:01,980 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:41:01,981 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:41:01,981 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:41:01,981 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:41:01,981 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:41:01,981 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:41:01,981 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:41:01,982 INFO L132 ssoRankerPreferences]: Filename of dumped script: apache-get-tag.i_Iteration1_Loop [2024-11-20 22:41:01,983 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:41:01,986 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:41:02,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:41:02,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:41:02,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:41:02,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:41:02,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:41:02,146 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:41:02,147 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:41:02,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:41:02,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:41:02,154 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) [2024-11-20 22:41:02,161 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 [2024-11-20 22:41:02,163 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:41:02,164 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:41:02,205 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:41:02,206 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: [] [2024-11-20 22:41:02,222 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 [2024-11-20 22:41:02,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:41:02,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:41:02,250 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) [2024-11-20 22:41:02,251 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 [2024-11-20 22:41:02,252 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:41:02,252 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:41:02,264 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:41:02,265 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4#1=0} Honda state: {ULTIMATE.start_main_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:41:02,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-20 22:41:02,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:41:02,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:41:02,273 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) [2024-11-20 22:41:02,278 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 [2024-11-20 22:41:02,279 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:41:02,279 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:41:02,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-20 22:41:02,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:41:02,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:41:02,303 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) [2024-11-20 22:41:02,304 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 [2024-11-20 22:41:02,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:41:02,309 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:41:02,342 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:41:02,347 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 [2024-11-20 22:41:02,348 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:41:02,348 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:41:02,348 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:41:02,348 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:41:02,348 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:41:02,348 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:41:02,348 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:41:02,348 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:41:02,348 INFO L132 ssoRankerPreferences]: Filename of dumped script: apache-get-tag.i_Iteration1_Loop [2024-11-20 22:41:02,348 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:41:02,348 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:41:02,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:41:02,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:41:02,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:41:02,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:41:02,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:41:02,408 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:41:02,412 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:41:02,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:41:02,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:41:02,416 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) [2024-11-20 22:41:02,417 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 [2024-11-20 22:41:02,419 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 [2024-11-20 22:41:02,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:41:02,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:41:02,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:41:02,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:41:02,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:41:02,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:41:02,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:41:02,439 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:41:02,449 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 [2024-11-20 22:41:02,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:41:02,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:41:02,455 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) [2024-11-20 22:41:02,464 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 [2024-11-20 22:41:02,465 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 [2024-11-20 22:41:02,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:41:02,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:41:02,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:41:02,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:41:02,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:41:02,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:41:02,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:41:02,495 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:41:02,506 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 [2024-11-20 22:41:02,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:41:02,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:41:02,509 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:41:02,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-20 22:41:02,513 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 [2024-11-20 22:41:02,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:41:02,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:41:02,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:41:02,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:41:02,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:41:02,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:41:02,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:41:02,539 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:41:02,546 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-20 22:41:02,546 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-20 22:41:02,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:41:02,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:41:02,555 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:41:02,557 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:41:02,557 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:41:02,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-20 22:41:02,558 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:41:02,560 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~tagbuf_len~0#1, ULTIMATE.start_main_~t~0#1) = 1*ULTIMATE.start_main_~tagbuf_len~0#1 - 1*ULTIMATE.start_main_~t~0#1 Supporting invariants [] [2024-11-20 22:41:02,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-20 22:41:02,568 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:41:02,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:41:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:41:02,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:41:02,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:41:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:41:02,631 WARN L253 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 22:41:02,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:41:02,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:41:02,774 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-20 22:41:02,778 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 100 states, 99 states have (on average 1.4444444444444444) internal successors, (143), 99 states have internal predecessors, (143), 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 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-11-20 22:41:02,965 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 100 states, 99 states have (on average 1.4444444444444444) internal successors, (143), 99 states have internal predecessors, (143), 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 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 247 states and 336 transitions. Complement of second has 12 states. [2024-11-20 22:41:02,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-20 22:41:02,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-11-20 22:41:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 237 transitions. [2024-11-20 22:41:02,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 237 transitions. Stem has 4 letters. Loop has 7 letters. [2024-11-20 22:41:02,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:41:02,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 237 transitions. Stem has 11 letters. Loop has 7 letters. [2024-11-20 22:41:02,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:41:02,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 237 transitions. Stem has 4 letters. Loop has 14 letters. [2024-11-20 22:41:02,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:41:02,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 247 states and 336 transitions. [2024-11-20 22:41:03,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-20 22:41:03,010 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-20 22:41:03,015 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 247 states to 0 states and 0 transitions. [2024-11-20 22:41:03,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-20 22:41:03,016 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-20 22:41:03,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-20 22:41:03,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:41:03,016 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:41:03,016 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:41:03,016 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 22:41:03,016 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-20 22:41:03,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-20 22:41:03,017 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-20 22:41:03,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-20 22:41:03,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:41:03 BoogieIcfgContainer [2024-11-20 22:41:03,029 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-20 22:41:03,030 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 22:41:03,030 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 22:41:03,030 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 22:41:03,030 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:41:01" (3/4) ... [2024-11-20 22:41:03,034 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 22:41:03,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 22:41:03,063 INFO L158 Benchmark]: Toolchain (without parser) took 2330.93ms. Allocated memory was 151.0MB in the beginning and 251.7MB in the end (delta: 100.7MB). Free memory was 80.0MB in the beginning and 217.2MB in the end (delta: -137.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:41:03,064 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:41:03,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.27ms. Allocated memory is still 151.0MB. Free memory was 79.8MB in the beginning and 67.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 22:41:03,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.45ms. Allocated memory is still 151.0MB. Free memory was 67.2MB in the beginning and 65.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:41:03,065 INFO L158 Benchmark]: Boogie Preprocessor took 75.14ms. Allocated memory is still 151.0MB. Free memory was 65.1MB in the beginning and 121.4MB in the end (delta: -56.2MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-20 22:41:03,065 INFO L158 Benchmark]: RCFGBuilder took 435.98ms. Allocated memory was 151.0MB in the beginning and 251.7MB in the end (delta: 100.7MB). Free memory was 121.3MB in the beginning and 208.6MB in the end (delta: -87.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-20 22:41:03,065 INFO L158 Benchmark]: BuchiAutomizer took 1483.84ms. Allocated memory is still 251.7MB. Free memory was 208.6MB in the beginning and 217.2MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:41:03,065 INFO L158 Benchmark]: Witness Printer took 33.09ms. Allocated memory is still 251.7MB. Free memory is still 217.2MB. Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:41:03,067 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 151.0MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.27ms. Allocated memory is still 151.0MB. Free memory was 79.8MB in the beginning and 67.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.45ms. Allocated memory is still 151.0MB. Free memory was 67.2MB in the beginning and 65.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.14ms. Allocated memory is still 151.0MB. Free memory was 65.1MB in the beginning and 121.4MB in the end (delta: -56.2MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 435.98ms. Allocated memory was 151.0MB in the beginning and 251.7MB in the end (delta: 100.7MB). Free memory was 121.3MB in the beginning and 208.6MB in the end (delta: -87.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1483.84ms. Allocated memory is still 251.7MB. Free memory was 208.6MB in the beginning and 217.2MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.09ms. Allocated memory is still 251.7MB. Free memory is still 217.2MB. 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) -1 * t) + tagbuf_len) and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 109 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 131 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 44 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq158 hnf96 smp69 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-20 22:41:03,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE