./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../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-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:38:04,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:38:04,168 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:38:04,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:38:04,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:38:04,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:38:04,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:38:04,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:38:04,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:38:04,191 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:38:04,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:38:04,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:38:04,192 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:38:04,192 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:38:04,192 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:38:04,193 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:38:04,193 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:38:04,193 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:38:04,194 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:38:04,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:38:04,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:38:04,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:38:04,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:38:04,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:38:04,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:38:04,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:38:04,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:38:04,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:38:04,196 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:38:04,197 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:38:04,197 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:38:04,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:38:04,197 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:38:04,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:38:04,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:38:04,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:38:04,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:38:04,199 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:38:04,199 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:38:04,199 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7b840784ed09a8ba534cc1991a3b26e3517ca5684a3a750b52e1a997eff0418 [2024-11-23 02:38:04,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:38:04,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:38:04,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:38:04,416 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:38:04,416 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:38:04,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gsv2008.i [2024-11-23 02:38:05,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:38:06,051 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:38:06,051 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gsv2008.i [2024-11-23 02:38:06,057 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c86bf56d3/a1f38a5b588644b79ca1ff70f4a0fb8f/FLAG8d333678b [2024-11-23 02:38:06,075 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c86bf56d3/a1f38a5b588644b79ca1ff70f4a0fb8f [2024-11-23 02:38:06,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:38:06,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:38:06,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:38:06,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:38:06,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:38:06,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@750d96e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06, skipping insertion in model container [2024-11-23 02:38:06,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:38:06,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:38:06,269 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:38:06,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:38:06,294 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:38:06,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06 WrapperNode [2024-11-23 02:38:06,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:38:06,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:38:06,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:38:06,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:38:06,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,341 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36 [2024-11-23 02:38:06,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:38:06,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:38:06,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:38:06,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:38:06,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,351 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,362 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]. [2024-11-23 02:38:06,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:38:06,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:38:06,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:38:06,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:38:06,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (1/1) ... [2024-11-23 02:38:06,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:06,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:06,435 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) [2024-11-23 02:38:06,440 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 [2024-11-23 02:38:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 02:38:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 02:38:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:38:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:38:06,527 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:38:06,529 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:38:06,674 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-23 02:38:06,675 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:38:06,696 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:38:06,697 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 02:38:06,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:06 BoogieIcfgContainer [2024-11-23 02:38:06,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:38:06,698 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:38:06,698 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:38:06,709 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:38:06,710 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:38:06,711 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:38:06" (1/3) ... [2024-11-23 02:38:06,712 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79619cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:38:06, skipping insertion in model container [2024-11-23 02:38:06,712 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:38:06,712 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:06" (2/3) ... [2024-11-23 02:38:06,712 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79619cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:38:06, skipping insertion in model container [2024-11-23 02:38:06,713 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:38:06,713 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:06" (3/3) ... [2024-11-23 02:38:06,714 INFO L332 chiAutomizerObserver]: Analyzing ICFG gsv2008.i [2024-11-23 02:38:06,760 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:38:06,760 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:38:06,760 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:38:06,760 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:38:06,761 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:38:06,761 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:38:06,761 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:38:06,761 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:38:06,765 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) [2024-11-23 02:38:06,778 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-23 02:38:06,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:38:06,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:38:06,783 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-23 02:38:06,783 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-23 02:38:06,784 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:38:06,784 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) [2024-11-23 02:38:06,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-23 02:38:06,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:38:06,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:38:06,787 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-23 02:38:06,787 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-23 02:38:06,792 INFO L745 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := -50;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L28true assume !!(-1000 < main_~y~0#1 && main_~y~0#1 < 1000000); 12#L29-2true [2024-11-23 02:38:06,793 INFO L747 eck$LassoCheckResult]: Loop: 12#L29-2true 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; 12#L29-2true [2024-11-23 02:38:06,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:06,800 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-23 02:38:06,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:06,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293321940] [2024-11-23 02:38:06,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:06,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:06,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:06,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:06,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:06,910 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2024-11-23 02:38:06,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:06,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022837382] [2024-11-23 02:38:06,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:06,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:06,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:06,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:06,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:06,924 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2024-11-23 02:38:06,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:38:06,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953213495] [2024-11-23 02:38:06,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:38:06,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:38:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:06,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:38:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:38:06,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:38:07,018 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:38:07,019 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:38:07,019 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:38:07,019 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:38:07,019 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:38:07,020 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:07,020 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:38:07,020 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:38:07,020 INFO L132 ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop [2024-11-23 02:38:07,020 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:38:07,021 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:38:07,035 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:07,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:07,089 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:38:07,090 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:38:07,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:07,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:07,099 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) [2024-11-23 02:38:07,108 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:38:07,108 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:38:07,111 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 [2024-11-23 02:38:07,133 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 [2024-11-23 02:38:07,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:07,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:07,137 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) [2024-11-23 02:38:07,137 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 [2024-11-23 02:38:07,142 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:38:07,142 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:38:07,206 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:38:07,211 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 [2024-11-23 02:38:07,211 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:38:07,211 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:38:07,212 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:38:07,212 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:38:07,212 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:38:07,212 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:07,212 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:38:07,212 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:38:07,212 INFO L132 ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop [2024-11-23 02:38:07,212 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:38:07,212 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:38:07,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:07,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:38:07,257 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:38:07,261 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:38:07,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:07,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:07,264 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) [2024-11-23 02:38:07,265 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 [2024-11-23 02:38:07,266 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 [2024-11-23 02:38:07,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:38:07,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:38:07,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:38:07,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:38:07,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:38:07,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:38:07,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:38:07,294 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:38:07,305 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 [2024-11-23 02:38:07,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:07,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:07,308 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) [2024-11-23 02:38:07,309 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 [2024-11-23 02:38:07,310 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 [2024-11-23 02:38:07,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:38:07,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:38:07,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:38:07,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:38:07,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:38:07,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:38:07,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:38:07,334 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:38:07,341 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 [2024-11-23 02:38:07,341 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-23 02:38:07,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:07,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:07,352 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) [2024-11-23 02:38:07,357 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 [2024-11-23 02:38:07,358 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 [2024-11-23 02:38:07,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:38:07,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:38:07,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:38:07,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:38:07,372 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-23 02:38:07,375 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-23 02:38:07,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:38:07,384 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:38:07,405 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:38:07,405 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-23 02:38:07,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:38:07,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:38:07,412 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) [2024-11-23 02:38:07,414 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 [2024-11-23 02:38:07,418 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:38:07,418 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:38:07,418 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:38:07,419 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 [] [2024-11-23 02:38:07,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-23 02:38:07,452 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:38:07,458 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-23 02:38:07,459 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-23 02:38:07,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:38:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:07,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:38:07,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:38:07,503 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 02:38:07,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:38:07,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:38:07,528 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 [2024-11-23 02:38:07,530 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) [2024-11-23 02:38:07,580 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 [2024-11-23 02:38:07,606 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. [2024-11-23 02:38:07,608 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 [2024-11-23 02:38:07,634 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) [2024-11-23 02:38:07,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2024-11-23 02:38:07,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 3 letters. Loop has 1 letters. [2024-11-23 02:38:07,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:07,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 4 letters. Loop has 1 letters. [2024-11-23 02:38:07,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:07,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-23 02:38:07,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:38:07,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2024-11-23 02:38:07,638 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:38:07,639 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2024-11-23 02:38:07,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 02:38:07,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 02:38:07,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 02:38:07,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:38:07,640 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:38:07,640 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:38:07,640 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:38:07,641 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:38:07,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 02:38:07,641 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:38:07,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 02:38:07,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:38:07 BoogieIcfgContainer [2024-11-23 02:38:07,645 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:38:07,646 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:38:07,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:38:07,646 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:38:07,646 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:06" (3/4) ... [2024-11-23 02:38:07,648 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 02:38:07,648 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:38:07,649 INFO L158 Benchmark]: Toolchain (without parser) took 1570.38ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 85.2MB in the beginning and 159.4MB in the end (delta: -74.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:38:07,649 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 105.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:38:07,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.46ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 72.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-23 02:38:07,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.49ms. Allocated memory is still 155.2MB. Free memory was 72.8MB in the beginning and 126.1MB in the end (delta: -53.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-23 02:38:07,650 INFO L158 Benchmark]: Boogie Preprocessor took 34.52ms. Allocated memory is still 155.2MB. Free memory was 126.1MB in the beginning and 124.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:38:07,650 INFO L158 Benchmark]: RCFGBuilder took 320.34ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 124.4MB in the beginning and 156.4MB in the end (delta: -32.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 02:38:07,651 INFO L158 Benchmark]: BuchiAutomizer took 947.63ms. Allocated memory is still 192.9MB. Free memory was 156.4MB in the beginning and 159.4MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:38:07,651 INFO L158 Benchmark]: Witness Printer took 2.76ms. Allocated memory is still 192.9MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:38:07,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 105.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.46ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 72.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.49ms. Allocated memory is still 155.2MB. Free memory was 72.8MB in the beginning and 126.1MB in the end (delta: -53.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.52ms. Allocated memory is still 155.2MB. Free memory was 126.1MB in the beginning and 124.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.34ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 124.4MB in the beginning and 156.4MB in the end (delta: -32.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 947.63ms. Allocated memory is still 192.9MB. Free memory was 156.4MB in the beginning and 159.4MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.76ms. Allocated memory is still 192.9MB. Free memory is still 159.4MB. 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 0.8s 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: 76ms 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! [2024-11-23 02:38:07,672 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