./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/gsv2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-lit/gsv2008.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 d7b840784ed09a8ba534cc1991a3b26e3517ca5684a3a750b52e1a997eff0418 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:26:59,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:26:59,290 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:26:59,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:26:59,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:26:59,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:26:59,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:26:59,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:26:59,328 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:26:59,329 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:26:59,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:26:59,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:26:59,330 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:26:59,331 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:26:59,331 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:26:59,331 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:26:59,332 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:26:59,332 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:26:59,332 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:26:59,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:26:59,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:26:59,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:26:59,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:26:59,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:26:59,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:26:59,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:26:59,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:26:59,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:26:59,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:26:59,338 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:26:59,338 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:26:59,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:26:59,338 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:26:59,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:26:59,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:26:59,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:26:59,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:26:59,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:26:59,341 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:26:59,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7b840784ed09a8ba534cc1991a3b26e3517ca5684a3a750b52e1a997eff0418 [2024-11-12 21:26:59,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:26:59,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:26:59,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:26:59,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:26:59,638 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:26:59,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gsv2008.i [2024-11-12 21:27:01,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:27:01,227 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:27:01,227 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gsv2008.i [2024-11-12 21:27:01,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4071887e6/c87c4e61582347b1b78aeb4447c953fd/FLAG1e9ae42da [2024-11-12 21:27:01,263 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4071887e6/c87c4e61582347b1b78aeb4447c953fd [2024-11-12 21:27:01,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:27:01,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:27:01,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:27:01,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:27:01,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:27:01,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449ac1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01, skipping insertion in model container [2024-11-12 21:27:01,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,295 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:27:01,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:27:01,490 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:27:01,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:27:01,516 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:27:01,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01 WrapperNode [2024-11-12 21:27:01,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:27:01,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:27:01,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:27:01,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:27:01,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,546 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36 [2024-11-12 21:27:01,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:27:01,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:27:01,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:27:01,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:27:01,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,557 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,566 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]. [2024-11-12 21:27:01,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:27:01,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:27:01,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:27:01,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:27:01,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01" (1/1) ... [2024-11-12 21:27:01,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:27:01,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:27:01,611 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) [2024-11-12 21:27:01,618 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 [2024-11-12 21:27:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:27:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:27:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:27:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:27:01,724 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:27:01,727 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:27:01,845 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-12 21:27:01,846 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:27:01,856 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:27:01,857 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 21:27:01,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:27:01 BoogieIcfgContainer [2024-11-12 21:27:01,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:27:01,858 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:27:01,859 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:27:01,863 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:27:01,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:27:01,864 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:27:01" (1/3) ... [2024-11-12 21:27:01,864 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@341cede4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:27:01, skipping insertion in model container [2024-11-12 21:27:01,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:27:01,865 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:27:01" (2/3) ... [2024-11-12 21:27:01,865 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@341cede4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:27:01, skipping insertion in model container [2024-11-12 21:27:01,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:27:01,865 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:27:01" (3/3) ... [2024-11-12 21:27:01,866 INFO L332 chiAutomizerObserver]: Analyzing ICFG gsv2008.i [2024-11-12 21:27:01,917 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:27:01,917 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:27:01,917 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:27:01,917 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:27:01,917 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:27:01,918 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:27:01,918 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:27:01,918 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:27:01,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:27:01,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-12 21:27:01,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:27:01,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:27:01,944 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-12 21:27:01,944 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-12 21:27:01,945 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:27:01,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:27:01,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-12 21:27:01,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:27:01,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:27:01,949 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-12 21:27:01,949 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-12 21:27:01,957 INFO L747 eck$LassoCheckResult]: Stem: "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);" "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_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := -50;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !!(-1000 < main_~y~0#1 && main_~y~0#1 < 1000000);" [2024-11-12 21:27:01,957 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~x~0#1 < 0);main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_#t~post2#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" [2024-11-12 21:27:01,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:27:01,962 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-12 21:27:01,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:27:01,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595136913] [2024-11-12 21:27:01,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:27:01,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:27:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:27:02,055 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:27:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:27:02,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:27:02,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:27:02,079 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2024-11-12 21:27:02,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:27:02,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227320972] [2024-11-12 21:27:02,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:27:02,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:27:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:27:02,088 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:27:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:27:02,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:27:02,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:27:02,093 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2024-11-12 21:27:02,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:27:02,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949689473] [2024-11-12 21:27:02,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:27:02,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:27:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:27:02,108 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:27:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:27:02,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:27:02,177 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:27:02,178 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:27:02,178 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:27:02,178 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:27:02,178 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 21:27:02,178 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:27:02,178 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:27:02,179 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:27:02,179 INFO L132 ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop [2024-11-12 21:27:02,179 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:27:02,179 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:27:02,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:27:02,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:27:02,254 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:27:02,255 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 21:27:02,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:27:02,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:27:02,260 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) [2024-11-12 21:27:02,261 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 [2024-11-12 21:27:02,262 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:27:02,262 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:27:02,287 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 [2024-11-12 21:27:02,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:27:02,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:27:02,289 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) [2024-11-12 21:27:02,291 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 [2024-11-12 21:27:02,292 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 21:27:02,292 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:27:02,387 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 21:27:02,393 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 [2024-11-12 21:27:02,393 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:27:02,393 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:27:02,393 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:27:02,394 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:27:02,394 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:27:02,394 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:27:02,394 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:27:02,394 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:27:02,394 INFO L132 ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop [2024-11-12 21:27:02,394 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:27:02,394 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:27:02,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:27:02,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:27:02,450 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:27:02,454 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:27:02,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:27:02,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:27:02,458 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) [2024-11-12 21:27:02,462 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 [2024-11-12 21:27:02,463 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 [2024-11-12 21:27:02,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:27:02,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:27:02,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:27:02,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:27:02,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:27:02,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:27:02,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:27:02,484 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:27:02,498 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 [2024-11-12 21:27:02,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:27:02,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:27:02,501 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) [2024-11-12 21:27:02,502 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 [2024-11-12 21:27:02,504 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 [2024-11-12 21:27:02,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:27:02,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:27:02,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:27:02,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:27:02,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:27:02,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:27:02,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:27:02,523 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:27:02,538 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 [2024-11-12 21:27:02,539 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-12 21:27:02,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:27:02,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:27:02,543 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) [2024-11-12 21:27:02,545 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 [2024-11-12 21:27:02,547 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 [2024-11-12 21:27:02,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:27:02,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:27:02,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:27:02,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:27:02,561 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-12 21:27:02,565 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-12 21:27:02,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:27:02,574 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:27:02,583 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 21:27:02,583 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 21:27:02,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:27:02,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:27:02,606 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) [2024-11-12 21:27:02,607 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 [2024-11-12 21:27:02,608 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:27:02,608 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 21:27:02,608 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:27:02,609 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~y~0#1 + 1 f1 = -2*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-12 21:27:02,621 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 [2024-11-12 21:27:02,627 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 21:27:02,636 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-12 21:27:02,637 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-12 21:27:02,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:27:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:27:02,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:27:02,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:27:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:27:02,701 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 21:27:02,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:27:02,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:27:02,738 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-12 21:27:02,740 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-11-12 21:27:02,786 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 26 states and 32 transitions. Complement of second has 4 states. [2024-11-12 21:27:02,789 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 [2024-11-12 21:27:02,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-12 21:27:02,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-11-12 21:27:02,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2024-11-12 21:27:02,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 3 letters. Loop has 1 letters. [2024-11-12 21:27:02,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:27:02,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 4 letters. Loop has 1 letters. [2024-11-12 21:27:02,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:27:02,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-12 21:27:02,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:27:02,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2024-11-12 21:27:02,816 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 21:27:02,818 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2024-11-12 21:27:02,819 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-12 21:27:02,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-12 21:27:02,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-12 21:27:02,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:27:02,820 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:27:02,820 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:27:02,820 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:27:02,820 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:27:02,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-12 21:27:02,820 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 21:27:02,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-12 21:27:02,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:27:02 BoogieIcfgContainer [2024-11-12 21:27:02,826 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:27:02,826 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:27:02,827 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:27:02,827 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:27:02,827 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:27:01" (3/4) ... [2024-11-12 21:27:02,829 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 21:27:02,830 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:27:02,831 INFO L158 Benchmark]: Toolchain (without parser) took 1563.99ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 123.4MB in the beginning and 155.2MB in the end (delta: -31.8MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-11-12 21:27:02,831 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:27:02,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.76ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 110.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-12 21:27:02,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.68ms. Allocated memory is still 153.1MB. Free memory was 110.9MB in the beginning and 109.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:27:02,833 INFO L158 Benchmark]: Boogie Preprocessor took 27.47ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 107.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:27:02,833 INFO L158 Benchmark]: RCFGBuilder took 282.13ms. Allocated memory is still 153.1MB. Free memory was 107.6MB in the beginning and 98.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-12 21:27:02,834 INFO L158 Benchmark]: BuchiAutomizer took 967.51ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 97.7MB in the beginning and 156.3MB in the end (delta: -58.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:27:02,834 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 186.6MB. Free memory was 156.3MB in the beginning and 155.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:27:02,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.76ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 110.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.68ms. Allocated memory is still 153.1MB. Free memory was 110.9MB in the beginning and 109.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.47ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 107.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 282.13ms. Allocated memory is still 153.1MB. Free memory was 107.6MB in the beginning and 98.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 967.51ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 97.7MB in the beginning and 156.3MB in the end (delta: -58.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 186.6MB. Free memory was 156.3MB in the beginning and 155.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression * 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 2-nested ranking function null, null and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 6 mSDtfsCounter, 4 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 eq170 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 68ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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! [2024-11-12 21:27:02,873 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