./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/for_bounded_loop1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml', '-i', '../sv-benchmarks/c/loops/for_bounded_loop1.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'd362508cc6d10100af1abe34073a764b50319c9e1ae9c7cc9c70a242e3f5c8c4'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/for_bounded_loop1.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 d362508cc6d10100af1abe34073a764b50319c9e1ae9c7cc9c70a242e3f5c8c4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-08 00:15:49,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 00:15:49,942 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 00:15:49,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 00:15:49,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 00:15:49,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 00:15:49,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 00:15:49,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 00:15:49,978 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 00:15:49,978 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 00:15:49,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 00:15:49,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 00:15:49,978 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 00:15:49,978 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 00:15:49,978 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 00:15:49,978 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 00:15:49,978 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 00:15:49,978 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 00:15:49,979 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 00:15:49,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 00:15:49,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 00:15:49,979 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 00:15:49,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 00:15:49,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 00:15:49,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 00:15:49,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 00:15:49,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 00:15:49,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 00:15:49,979 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 00:15:49,983 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 00:15:49,983 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 00:15:49,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 00:15:49,983 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 00:15:49,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 00:15:49,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 00:15:49,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 00:15:49,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 00:15:49,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 00:15:49,985 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 00:15:49,985 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-jdk21/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 -> d362508cc6d10100af1abe34073a764b50319c9e1ae9c7cc9c70a242e3f5c8c4 [2024-11-08 00:15:50,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 00:15:50,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 00:15:50,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 00:15:50,328 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 00:15:50,328 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 00:15:50,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/for_bounded_loop1.c [2024-11-08 00:15:51,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 00:15:52,109 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 00:15:52,110 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loops/for_bounded_loop1.c [2024-11-08 00:15:52,118 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/18f35ee04/696db699a541467caa9ce9f766553fa7/FLAGc4cca5818 [2024-11-08 00:15:52,142 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/18f35ee04/696db699a541467caa9ce9f766553fa7 [2024-11-08 00:15:52,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 00:15:52,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 00:15:52,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 00:15:52,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 00:15:52,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 00:15:52,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498f4e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52, skipping insertion in model container [2024-11-08 00:15:52,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 00:15:52,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 00:15:52,338 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 00:15:52,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 00:15:52,370 INFO L204 MainTranslator]: Completed translation [2024-11-08 00:15:52,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52 WrapperNode [2024-11-08 00:15:52,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 00:15:52,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 00:15:52,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 00:15:52,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 00:15:52,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,405 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 58 [2024-11-08 00:15:52,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 00:15:52,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 00:15:52,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 00:15:52,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 00:15:52,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,416 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,432 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]. [2024-11-08 00:15:52,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 00:15:52,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 00:15:52,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 00:15:52,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 00:15:52,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52" (1/1) ... [2024-11-08 00:15:52,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:15:52,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:15:52,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 00:15:52,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 00:15:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 00:15:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 00:15:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 00:15:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 00:15:52,583 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 00:15:52,585 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 00:15:52,691 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 00:15:52,691 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 00:15:52,700 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 00:15:52,700 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 00:15:52,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:15:52 BoogieIcfgContainer [2024-11-08 00:15:52,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 00:15:52,702 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 00:15:52,702 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 00:15:52,707 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 00:15:52,708 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:15:52,708 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 12:15:52" (1/3) ... [2024-11-08 00:15:52,710 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1764fa96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:15:52, skipping insertion in model container [2024-11-08 00:15:52,710 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:15:52,710 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:15:52" (2/3) ... [2024-11-08 00:15:52,710 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1764fa96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:15:52, skipping insertion in model container [2024-11-08 00:15:52,710 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:15:52,710 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:15:52" (3/3) ... [2024-11-08 00:15:52,712 INFO L332 chiAutomizerObserver]: Analyzing ICFG for_bounded_loop1.c [2024-11-08 00:15:52,778 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 00:15:52,779 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 00:15:52,779 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 00:15:52,779 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 00:15:52,779 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 00:15:52,779 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 00:15:52,779 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 00:15:52,780 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 00:15:52,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 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) [2024-11-08 00:15:52,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2024-11-08 00:15:52,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 00:15:52,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 00:15:52,805 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 00:15:52,805 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:15:52,806 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 00:15:52,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 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) [2024-11-08 00:15:52,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2024-11-08 00:15:52,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 00:15:52,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 00:15:52,809 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 00:15:52,809 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:15:52,818 INFO L745 eck$LassoCheckResult]: Stem: 19#$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(20, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_~i~0#1, main_~x~0#1, main_~y~0#1, main_~n~0#1;main_~i~0#1 := 0;main_~x~0#1 := 0;main_~y~0#1 := 0;havoc main_#t~nondet4#1;main_~n~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 17#L21true assume !!(main_~n~0#1 > 0);main_~i~0#1 := 0; 21#L22-3true [2024-11-08 00:15:52,818 INFO L747 eck$LassoCheckResult]: Loop: 21#L22-3true assume !!(main_~i~0#1 < main_~n~0#1);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 == main_~x~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18#L10true assume !(0 == __VERIFIER_assert_~cond#1); 4#L10-2true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1;main_~y~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5#L27true assume !!(0 != main_~y~0#1);main_~x~0#1 := main_~x~0#1 + main_~y~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 != main_~x~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 20#L10-3true assume !(0 == __VERIFIER_assert_~cond#1); 12#L10-5true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 10#L22-2true main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21#L22-3true [2024-11-08 00:15:52,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:15:52,823 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-08 00:15:52,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:15:52,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842525081] [2024-11-08 00:15:52,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:15:52,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:15:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:15:52,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:15:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:15:52,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:15:52,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:15:52,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1411474820, now seen corresponding path program 1 times [2024-11-08 00:15:52,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:15:52,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318442527] [2024-11-08 00:15:52,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:15:52,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:15:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:15:52,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:15:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:15:53,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:15:53,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:15:53,008 INFO L85 PathProgramCache]: Analyzing trace with hash -661440391, now seen corresponding path program 1 times [2024-11-08 00:15:53,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:15:53,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262773389] [2024-11-08 00:15:53,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:15:53,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:15:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:15:53,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:15:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:15:53,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:15:53,305 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 00:15:53,306 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 00:15:53,306 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 00:15:53,306 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 00:15:53,306 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 00:15:53,306 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:15:53,306 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 00:15:53,306 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 00:15:53,307 INFO L132 ssoRankerPreferences]: Filename of dumped script: for_bounded_loop1.c_Iteration1_Loop [2024-11-08 00:15:53,307 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 00:15:53,307 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 00:15:53,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:15:53,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:15:53,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:15:53,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:15:53,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:15:53,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:15:53,484 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 00:15:53,485 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 00:15:53,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:15:53,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:15:53,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 00:15:53,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-08 00:15:53,496 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 00:15:53,496 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 00:15:53,516 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 00:15:53,516 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 00:15:53,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-08 00:15:53,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:15:53,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:15:53,538 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 00:15:53,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-08 00:15:53,541 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 00:15:53,541 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 00:15:53,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-08 00:15:53,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:15:53,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:15:53,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 00:15:53,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-08 00:15:53,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 00:15:53,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 00:15:53,736 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 00:15:53,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-08 00:15:53,742 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 00:15:53,742 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 00:15:53,742 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 00:15:53,742 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 00:15:53,742 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 00:15:53,742 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:15:53,742 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 00:15:53,742 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 00:15:53,742 INFO L132 ssoRankerPreferences]: Filename of dumped script: for_bounded_loop1.c_Iteration1_Loop [2024-11-08 00:15:53,742 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 00:15:53,742 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 00:15:53,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:15:53,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:15:53,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:15:53,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:15:53,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:15:53,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:15:53,861 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 00:15:53,866 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 00:15:53,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:15:53,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:15:53,870 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 00:15:53,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-08 00:15:53,874 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 [2024-11-08 00:15:53,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 00:15:53,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 00:15:53,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 00:15:53,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 00:15:53,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 00:15:53,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 00:15:53,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 00:15:53,899 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 00:15:53,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-08 00:15:53,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:15:53,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:15:53,919 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 00:15:53,924 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 [2024-11-08 00:15:53,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-08 00:15:53,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 00:15:53,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 00:15:53,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 00:15:53,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 00:15:53,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 00:15:53,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 00:15:53,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 00:15:53,948 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 00:15:53,952 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 00:15:53,954 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-08 00:15:53,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:15:53,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:15:53,961 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 00:15:53,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-08 00:15:53,964 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 00:15:53,964 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 00:15:53,964 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 00:15:53,965 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2024-11-08 00:15:53,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-08 00:15:53,986 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 00:15:54,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:15:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 00:15:54,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 00:15:54,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 00:15:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 00:15:54,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 00:15:54,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 00:15:54,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 00:15:54,169 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-08 00:15:54,173 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-08 00:15:54,234 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 53 states and 66 transitions. Complement of second has 6 states. [2024-11-08 00:15:54,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 00:15:54,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-08 00:15:54,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 43 transitions. [2024-11-08 00:15:54,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 43 transitions. Stem has 3 letters. Loop has 7 letters. [2024-11-08 00:15:54,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 00:15:54,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 43 transitions. Stem has 10 letters. Loop has 7 letters. [2024-11-08 00:15:54,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 00:15:54,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 43 transitions. Stem has 3 letters. Loop has 14 letters. [2024-11-08 00:15:54,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 00:15:54,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 66 transitions. [2024-11-08 00:15:54,254 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 00:15:54,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 0 states and 0 transitions. [2024-11-08 00:15:54,259 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 00:15:54,259 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 00:15:54,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 00:15:54,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 00:15:54,259 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 00:15:54,260 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 00:15:54,260 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 00:15:54,260 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 00:15:54,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-08 00:15:54,260 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 00:15:54,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 00:15:54,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 12:15:54 BoogieIcfgContainer [2024-11-08 00:15:54,271 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 00:15:54,272 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 00:15:54,272 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 00:15:54,273 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 00:15:54,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:15:52" (3/4) ... [2024-11-08 00:15:54,276 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 00:15:54,277 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 00:15:54,278 INFO L158 Benchmark]: Toolchain (without parser) took 2129.88ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 63.4MB in the end (delta: 29.1MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-08 00:15:54,278 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 117.4MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:15:54,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.44ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 00:15:54,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.31ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:15:54,278 INFO L158 Benchmark]: Boogie Preprocessor took 41.75ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:15:54,279 INFO L158 Benchmark]: RCFGBuilder took 252.12ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 69.6MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 00:15:54,279 INFO L158 Benchmark]: BuchiAutomizer took 1569.60ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 63.9MB in the end (delta: 5.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-11-08 00:15:54,279 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 63.4MB in the end (delta: 494.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:15:54,281 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 117.4MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.44ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.31ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.75ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 252.12ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 69.6MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1569.60ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 63.9MB in the end (delta: 5.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 63.4MB in the end (delta: 494.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -1 * i) + n) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf100 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq200 hnf93 smp100 dnf166 smp100 tf103 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-08 00:15:54,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-08 00:15:54,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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