./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-new/half.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-new/half.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 cd8ea842760c1d795b2a0ad721eea8bf94078967bffa91c75f5537bf4a53b968 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:46:50,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:46:50,437 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:46:50,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:46:50,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:46:50,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:46:50,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:46:50,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:46:50,473 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:46:50,475 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:46:50,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:46:50,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:46:50,476 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:46:50,476 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:46:50,477 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:46:50,477 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:46:50,477 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:46:50,477 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:46:50,478 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:46:50,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:46:50,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:46:50,481 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:46:50,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:46:50,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:46:50,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:46:50,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:46:50,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:46:50,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:46:50,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:46:50,483 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:46:50,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:46:50,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:46:50,484 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:46:50,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:46:50,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:46:50,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:46:50,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:46:50,486 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:46:50,486 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:46:50,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd8ea842760c1d795b2a0ad721eea8bf94078967bffa91c75f5537bf4a53b968 [2024-11-19 14:46:50,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:46:50,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:46:50,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:46:50,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:46:50,766 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:46:50,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-new/half.i [2024-11-19 14:46:52,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:46:52,437 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:46:52,438 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-new/half.i [2024-11-19 14:46:52,444 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af47f4226/84f33144948248e68f7a5f6ecf096dd1/FLAG144e65dc1 [2024-11-19 14:46:52,456 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af47f4226/84f33144948248e68f7a5f6ecf096dd1 [2024-11-19 14:46:52,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:46:52,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:46:52,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:46:52,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:46:52,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:46:52,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1c63ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52, skipping insertion in model container [2024-11-19 14:46:52,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:46:52,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:46:52,683 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:46:52,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:46:52,712 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:46:52,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52 WrapperNode [2024-11-19 14:46:52,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:46:52,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:46:52,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:46:52,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:46:52,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,744 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 39 [2024-11-19 14:46:52,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:46:52,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:46:52,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:46:52,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:46:52,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,766 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]. [2024-11-19 14:46:52,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:46:52,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:46:52,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:46:52,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:46:52,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52" (1/1) ... [2024-11-19 14:46:52,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:46:52,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:46:52,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:46:52,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-19 14:46:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:46:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:46:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:46:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:46:52,939 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:46:52,942 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:46:53,087 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-19 14:46:53,087 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:46:53,097 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:46:53,097 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 14:46:53,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:53 BoogieIcfgContainer [2024-11-19 14:46:53,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:46:53,098 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:46:53,098 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:46:53,101 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:46:53,102 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:46:53,102 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:46:52" (1/3) ... [2024-11-19 14:46:53,103 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41b4cd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:46:53, skipping insertion in model container [2024-11-19 14:46:53,103 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:46:53,103 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:52" (2/3) ... [2024-11-19 14:46:53,103 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41b4cd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:46:53, skipping insertion in model container [2024-11-19 14:46:53,103 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:46:53,103 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:53" (3/3) ... [2024-11-19 14:46:53,104 INFO L332 chiAutomizerObserver]: Analyzing ICFG half.i [2024-11-19 14:46:53,153 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:46:53,153 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:46:53,153 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:46:53,154 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:46:53,154 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:46:53,154 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:46:53,154 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:46:53,154 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:46:53,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:46:53,171 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:46:53,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:46:53,172 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:46:53,176 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-19 14:46:53,176 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:46:53,176 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:46:53,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:46:53,177 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:46:53,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:46:53,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:46:53,178 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-19 14:46:53,178 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:46:53,183 INFO L745 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_~i~0#1, main_~n~0#1, main_~k~0#1;main_~i~0#1 := 0;main_~n~0#1 := 0;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 11#L28true assume !!(main_~k~0#1 <= 1000000 && main_~k~0#1 >= -1000000);main_~i~0#1 := 0; 8#L29-3true [2024-11-19 14:46:53,184 INFO L747 eck$LassoCheckResult]: Loop: 8#L29-3true assume !!(main_~i~0#1 < 2 * main_~k~0#1); 4#L30true assume 0 == (if main_~i~0#1 < 0 && 0 != main_~i~0#1 % 2 then main_~i~0#1 % 2 - 2 else main_~i~0#1 % 2);main_#t~post2#1 := main_~n~0#1;main_~n~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 15#L29-2true main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 8#L29-3true [2024-11-19 14:46:53,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:46:53,189 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-19 14:46:53,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:46:53,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909906661] [2024-11-19 14:46:53,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:46:53,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:46:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:46:53,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:46:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:46:53,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:46:53,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:46:53,343 INFO L85 PathProgramCache]: Analyzing trace with hash 44786, now seen corresponding path program 1 times [2024-11-19 14:46:53,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:46:53,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535762470] [2024-11-19 14:46:53,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:46:53,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:46:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:46:53,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:46:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:46:53,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:46:53,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:46:53,405 INFO L85 PathProgramCache]: Analyzing trace with hash 889574255, now seen corresponding path program 1 times [2024-11-19 14:46:53,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:46:53,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992925840] [2024-11-19 14:46:53,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:46:53,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:46:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:46:53,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:46:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:46:53,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:46:53,549 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:46:53,550 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:46:53,550 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:46:53,550 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:46:53,550 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-19 14:46:53,551 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:46:53,551 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:46:53,551 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:46:53,551 INFO L132 ssoRankerPreferences]: Filename of dumped script: half.i_Iteration1_Loop [2024-11-19 14:46:53,551 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:46:53,551 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:46:53,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:46:53,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:46:53,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:46:53,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:46:53,724 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:46:53,725 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-19 14:46:53,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:46:53,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:46:53,730 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) [2024-11-19 14:46:53,732 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 [2024-11-19 14:46:53,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:46:53,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:46:53,753 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-19 14:46:53,754 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-19 14:46:53,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-19 14:46:53,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:46:53,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:46:53,778 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) [2024-11-19 14:46:53,780 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 [2024-11-19 14:46:53,780 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-19 14:46:53,781 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:46:53,808 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 [2024-11-19 14:46:53,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:46:53,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:46:53,810 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) [2024-11-19 14:46:53,814 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 [2024-11-19 14:46:53,815 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-19 14:46:53,815 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-19 14:46:53,944 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-19 14:46:53,949 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 [2024-11-19 14:46:53,949 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:46:53,949 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:46:53,950 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:46:53,950 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:46:53,950 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:46:53,950 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:46:53,950 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:46:53,950 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:46:53,950 INFO L132 ssoRankerPreferences]: Filename of dumped script: half.i_Iteration1_Loop [2024-11-19 14:46:53,950 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:46:53,950 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:46:53,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:46:53,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:46:53,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:46:53,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:46:54,067 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:46:54,071 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:46:54,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:46:54,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:46:54,074 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) [2024-11-19 14:46:54,076 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 [2024-11-19 14:46:54,077 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 [2024-11-19 14:46:54,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:46:54,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:46:54,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:46:54,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:46:54,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:46:54,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:46:54,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:46:54,093 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:46:54,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-19 14:46:54,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:46:54,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:46:54,110 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) [2024-11-19 14:46:54,112 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 [2024-11-19 14:46:54,114 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 [2024-11-19 14:46:54,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:46:54,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:46:54,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:46:54,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:46:54,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:46:54,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:46:54,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:46:54,132 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:46:54,138 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-19 14:46:54,138 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-19 14:46:54,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:46:54,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:46:54,141 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) [2024-11-19 14:46:54,142 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 [2024-11-19 14:46:54,142 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:46:54,142 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-19 14:46:54,142 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:46:54,143 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~k~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 2*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2024-11-19 14:46:54,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-19 14:46:54,157 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-19 14:46:54,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:46:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:46:54,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:46:54,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:46:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:46:54,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 14:46:54,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:46:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:46:54,271 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 [2024-11-19 14:46:54,273 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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) [2024-11-19 14:46:54,327 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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 30 states and 39 transitions. Complement of second has 6 states. [2024-11-19 14:46:54,330 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 [2024-11-19 14:46:54,336 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) [2024-11-19 14:46:54,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2024-11-19 14:46:54,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-19 14:46:54,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:46:54,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-19 14:46:54,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:46:54,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-19 14:46:54,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:46:54,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2024-11-19 14:46:54,343 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:46:54,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2024-11-19 14:46:54,347 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-19 14:46:54,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-19 14:46:54,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-19 14:46:54,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:46:54,348 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:46:54,348 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:46:54,348 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:46:54,348 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:46:54,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-19 14:46:54,348 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:46:54,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-19 14:46:54,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:46:54 BoogieIcfgContainer [2024-11-19 14:46:54,358 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:46:54,359 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:46:54,359 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:46:54,359 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:46:54,360 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:53" (3/4) ... [2024-11-19 14:46:54,362 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 14:46:54,363 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:46:54,363 INFO L158 Benchmark]: Toolchain (without parser) took 1903.95ms. Allocated memory is still 161.5MB. Free memory was 92.8MB in the beginning and 88.2MB in the end (delta: 4.6MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-11-19 14:46:54,364 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:46:54,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.63ms. Allocated memory is still 161.5MB. Free memory was 92.3MB in the beginning and 80.2MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:46:54,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.83ms. Allocated memory is still 161.5MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:46:54,365 INFO L158 Benchmark]: Boogie Preprocessor took 30.54ms. Allocated memory is still 161.5MB. Free memory was 78.9MB in the beginning and 77.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:46:54,366 INFO L158 Benchmark]: RCFGBuilder took 320.28ms. Allocated memory is still 161.5MB. Free memory was 77.2MB in the beginning and 66.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:46:54,366 INFO L158 Benchmark]: BuchiAutomizer took 1259.89ms. Allocated memory is still 161.5MB. Free memory was 66.3MB in the beginning and 88.2MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:46:54,367 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 161.5MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:46:54,371 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.63ms. Allocated memory is still 161.5MB. Free memory was 92.3MB in the beginning and 80.2MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.83ms. Allocated memory is still 161.5MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.54ms. Allocated memory is still 161.5MB. Free memory was 78.9MB in the beginning and 77.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.28ms. Allocated memory is still 161.5MB. Free memory was 77.2MB in the beginning and 66.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1259.89ms. Allocated memory is still 161.5MB. Free memory was 66.3MB in the beginning and 88.2MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 161.5MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -1 * i) + ((long long) 2 * k)) 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, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div294 bol100 ite100 ukn100 eq146 hnf95 smp50 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-19 14:46:54,396 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 [2024-11-19 14:46:54,597 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