./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive/EvenOdd01-1.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/recursive/EvenOdd01-1.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', '90982c548a5fc18702a6b533ab589c969b87a7efde724f265c9d2a7d593347dc'] 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/recursive/EvenOdd01-1.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 90982c548a5fc18702a6b533ab589c969b87a7efde724f265c9d2a7d593347dc --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-08 00:31:50,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 00:31:50,200 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 00:31:50,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 00:31:50,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 00:31:50,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 00:31:50,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 00:31:50,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 00:31:50,235 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 00:31:50,235 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 00:31:50,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 00:31:50,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 00:31:50,237 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 00:31:50,237 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 00:31:50,237 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 00:31:50,237 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 00:31:50,238 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 00:31:50,238 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 00:31:50,238 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 00:31:50,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 00:31:50,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 00:31:50,238 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 00:31:50,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 00:31:50,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 00:31:50,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 00:31:50,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 00:31:50,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 00:31:50,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 00:31:50,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 00:31:50,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 00:31:50,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 00:31:50,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 00:31:50,239 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 00:31:50,239 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 00:31:50,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 00:31:50,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 00:31:50,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 00:31:50,240 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 00:31:50,240 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 00:31:50,240 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 -> 90982c548a5fc18702a6b533ab589c969b87a7efde724f265c9d2a7d593347dc [2024-11-08 00:31:50,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 00:31:50,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 00:31:50,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 00:31:50,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 00:31:50,575 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 00:31:50,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/EvenOdd01-1.c [2024-11-08 00:31:51,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 00:31:52,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 00:31:52,107 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/recursive/EvenOdd01-1.c [2024-11-08 00:31:52,115 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d11d57aa4/823c3c2eac7245de9602de74c6fe4fa3/FLAGb10f4a4b2 [2024-11-08 00:31:52,455 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d11d57aa4/823c3c2eac7245de9602de74c6fe4fa3 [2024-11-08 00:31:52,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 00:31:52,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 00:31:52,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 00:31:52,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 00:31:52,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 00:31:52,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@117e064c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52, skipping insertion in model container [2024-11-08 00:31:52,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,480 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 00:31:52,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 00:31:52,633 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 00:31:52,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 00:31:52,663 INFO L204 MainTranslator]: Completed translation [2024-11-08 00:31:52,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52 WrapperNode [2024-11-08 00:31:52,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 00:31:52,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 00:31:52,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 00:31:52,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 00:31:52,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,693 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2024-11-08 00:31:52,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 00:31:52,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 00:31:52,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 00:31:52,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 00:31:52,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,710 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,725 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 00:31:52,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 00:31:52,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 00:31:52,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 00:31:52,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 00:31:52,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52" (1/1) ... [2024-11-08 00:31:52,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:52,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:31:52,783 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 00:31:52,787 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 00:31:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 00:31:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2024-11-08 00:31:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2024-11-08 00:31:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 00:31:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2024-11-08 00:31:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2024-11-08 00:31:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 00:31:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 00:31:52,881 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 00:31:52,883 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 00:31:53,018 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 00:31:53,019 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 00:31:53,029 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 00:31:53,029 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 00:31:53,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:31:53 BoogieIcfgContainer [2024-11-08 00:31:53,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 00:31:53,032 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 00:31:53,033 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 00:31:53,037 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 00:31:53,038 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:31:53,038 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 12:31:52" (1/3) ... [2024-11-08 00:31:53,039 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f57d68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:31:53, skipping insertion in model container [2024-11-08 00:31:53,040 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:31:53,040 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:31:52" (2/3) ... [2024-11-08 00:31:53,040 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f57d68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:31:53, skipping insertion in model container [2024-11-08 00:31:53,040 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:31:53,040 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:31:53" (3/3) ... [2024-11-08 00:31:53,042 INFO L332 chiAutomizerObserver]: Analyzing ICFG EvenOdd01-1.c [2024-11-08 00:31:53,096 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 00:31:53,096 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 00:31:53,097 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 00:31:53,097 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 00:31:53,097 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 00:31:53,098 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 00:31:53,098 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 00:31:53,099 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 00:31:53,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 00:31:53,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-08 00:31:53,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 00:31:53,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 00:31:53,122 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-08 00:31:53,122 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:31:53,122 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 00:31:53,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 00:31:53,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-08 00:31:53,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 00:31:53,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 00:31:53,125 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-08 00:31:53,125 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:31:53,131 INFO L745 eck$LassoCheckResult]: Stem: 23#$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(14, 2);call #Ultimate.allocInit(12, 3); 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~n~0#1, main_~result~0#1, main_~mod~0#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 22#L41true assume !(main_~n~0#1 < 0); 3#L44true call main_#t~ret7#1 := isOdd(main_~n~0#1);< 14#$Ultimate##0true [2024-11-08 00:31:53,132 INFO L747 eck$LassoCheckResult]: Loop: 14#$Ultimate##0true ~n := #in~n; 18#L19true assume !(0 == ~n); 15#L21true assume !(1 == ~n); 20#L24true call #t~ret4 := isEven(~n - 1);< 8#$Ultimate##0true ~n := #in~n; 17#L29true assume !(0 == ~n); 4#L31true assume !(1 == ~n); 7#L34true call #t~ret5 := isOdd(~n - 1);< 14#$Ultimate##0true [2024-11-08 00:31:53,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:31:53,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1664502, now seen corresponding path program 1 times [2024-11-08 00:31:53,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:31:53,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117862186] [2024-11-08 00:31:53,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:31:53,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:31:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:31:53,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:31:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:31:53,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:31:53,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:31:53,229 INFO L85 PathProgramCache]: Analyzing trace with hash -436493749, now seen corresponding path program 1 times [2024-11-08 00:31:53,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:31:53,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113520222] [2024-11-08 00:31:53,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:31:53,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:31:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:31:53,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:31:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:31:53,246 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:31:53,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:31:53,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1570880704, now seen corresponding path program 1 times [2024-11-08 00:31:53,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:31:53,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657379294] [2024-11-08 00:31:53,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:31:53,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:31:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:31:53,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:31:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:31:53,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:31:53,594 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 00:31:53,595 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 00:31:53,595 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 00:31:53,599 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 00:31:53,599 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 00:31:53,599 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:53,599 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 00:31:53,600 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 00:31:53,600 INFO L132 ssoRankerPreferences]: Filename of dumped script: EvenOdd01-1.c_Iteration1_Loop [2024-11-08 00:31:53,600 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 00:31:53,600 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 00:31:53,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:53,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:53,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:53,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:53,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:53,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:53,805 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 00:31:53,806 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 00:31:53,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:53,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:31:53,811 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 00:31:53,812 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 00:31:53,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 00:31:53,813 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 00:31:53,834 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 00:31:53,835 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#in~n=0} Honda state: {isEven_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 00:31:53,851 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 00:31:53,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:53,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:31:53,854 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 00:31:53,856 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 00:31:53,857 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 00:31:53,857 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 00:31:53,873 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 00:31:53,874 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#t~ret5=0} Honda state: {isEven_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 00:31:53,889 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 00:31:53,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:53,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:31:53,892 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 00:31:53,894 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 00:31:53,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 00:31:53,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 00:31:53,911 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 00:31:53,912 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#t~ret4=0} Honda state: {isOdd_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 00:31:53,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-08 00:31:53,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:53,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:31:53,927 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 00:31:53,928 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 00:31:53,929 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 00:31:53,929 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 00:31:53,941 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 00:31:53,941 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#res=0} Honda state: {isOdd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 00:31:53,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-08 00:31:53,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:53,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:31:53,955 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 00:31:53,959 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 00:31:53,960 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 00:31:53,960 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 00:31:53,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-08 00:31:53,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:53,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:31:53,989 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 00:31:53,990 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 00:31:53,991 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 00:31:53,991 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 00:31:54,048 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 00:31:54,048 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=-2} Honda state: {isOdd_#in~n=-2} Generalized eigenvectors: [{isOdd_#in~n=-1}, {isOdd_#in~n=0}, {isOdd_#in~n=-1}] Lambdas: [1, 15, 1] Nus: [1, 0] [2024-11-08 00:31:54,063 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 00:31:54,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:54,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:31:54,067 INFO L229 MonitoredProcess]: Starting monitored process 8 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 00:31:54,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-08 00:31:54,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 00:31:54,071 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 00:31:54,091 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 00:31:54,091 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 00:31:54,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-08 00:31:54,291 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 00:31:54,291 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 00:31:54,291 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 00:31:54,291 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 00:31:54,292 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 00:31:54,292 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:54,292 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 00:31:54,292 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 00:31:54,292 INFO L132 ssoRankerPreferences]: Filename of dumped script: EvenOdd01-1.c_Iteration1_Lasso [2024-11-08 00:31:54,292 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 00:31:54,292 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 00:31:54,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:31:54,625 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 00:31:54,628 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 00:31:54,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:54,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:31:54,632 INFO L229 MonitoredProcess]: Starting monitored process 9 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 00:31:54,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-08 00:31:54,634 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 00:31:54,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 00:31:54,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 00:31:54,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 00:31:54,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 00:31:54,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 00:31:54,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 00:31:54,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 00:31:54,657 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 00:31:54,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-08 00:31:54,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:54,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:31:54,674 INFO L229 MonitoredProcess]: Starting monitored process 10 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 00:31:54,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-08 00:31:54,677 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 00:31:54,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 00:31:54,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 00:31:54,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 00:31:54,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 00:31:54,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 00:31:54,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 00:31:54,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 00:31:54,692 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 00:31:54,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-08 00:31:54,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:54,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:31:54,709 INFO L229 MonitoredProcess]: Starting monitored process 11 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 00:31:54,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-08 00:31:54,711 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 00:31:54,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 00:31:54,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 00:31:54,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 00:31:54,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 00:31:54,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 00:31:54,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 00:31:54,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 00:31:54,725 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 00:31:54,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-08 00:31:54,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:54,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:31:54,737 INFO L229 MonitoredProcess]: Starting monitored process 12 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 00:31:54,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-08 00:31:54,739 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 00:31:54,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 00:31:54,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 00:31:54,751 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-08 00:31:54,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 00:31:54,766 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-11-08 00:31:54,766 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-08 00:31:54,785 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 00:31:54,814 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-08 00:31:54,817 INFO L444 ModelExtractionUtils]: 3 out of 11 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-08 00:31:54,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:31:54,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:31:54,822 INFO L229 MonitoredProcess]: Starting monitored process 13 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 00:31:54,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-08 00:31:54,824 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 00:31:54,839 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2024-11-08 00:31:54,840 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 00:31:54,840 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(isOdd_#in~n) = 1*isOdd_#in~n Supporting invariants [1*isOdd_#in~n >= 0] [2024-11-08 00:31:54,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-08 00:31:54,861 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-08 00:31:54,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:31:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 00:31:54,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 00:31:54,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 00:31:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 00:31:54,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 00:31:54,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 00:31:55,193 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 00:31:55,217 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2024-11-08 00:31:55,220 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 00:31:55,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-08 00:31:55,543 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 79 transitions. Complement of second has 29 states. [2024-11-08 00:31:55,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 2 stem states 8 non-accepting loop states 1 accepting loop states [2024-11-08 00:31:55,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 00:31:55,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 24 transitions. [2024-11-08 00:31:55,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 24 transitions. Stem has 4 letters. Loop has 8 letters. [2024-11-08 00:31:55,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 00:31:55,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 24 transitions. Stem has 12 letters. Loop has 8 letters. [2024-11-08 00:31:55,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 00:31:55,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 24 transitions. Stem has 4 letters. Loop has 16 letters. [2024-11-08 00:31:55,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 00:31:55,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 79 transitions. [2024-11-08 00:31:55,564 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 00:31:55,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 0 states and 0 transitions. [2024-11-08 00:31:55,569 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 00:31:55,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 00:31:55,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 00:31:55,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 00:31:55,574 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 00:31:55,574 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 00:31:55,574 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 00:31:55,574 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 00:31:55,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-08 00:31:55,574 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 00:31:55,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 00:31:55,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 12:31:55 BoogieIcfgContainer [2024-11-08 00:31:55,583 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 00:31:55,584 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 00:31:55,584 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 00:31:55,584 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 00:31:55,586 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:31:53" (3/4) ... [2024-11-08 00:31:55,588 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 00:31:55,588 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 00:31:55,589 INFO L158 Benchmark]: Toolchain (without parser) took 3130.30ms. Allocated memory is still 100.7MB. Free memory was 78.1MB in the beginning and 69.6MB in the end (delta: 8.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-11-08 00:31:55,589 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 47.9MB in the end (delta: 82.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:31:55,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.61ms. Allocated memory is still 100.7MB. Free memory was 78.1MB in the beginning and 67.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 00:31:55,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.38ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 66.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:31:55,590 INFO L158 Benchmark]: Boogie Preprocessor took 47.14ms. Allocated memory is still 100.7MB. Free memory was 66.4MB in the beginning and 65.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:31:55,590 INFO L158 Benchmark]: RCFGBuilder took 287.16ms. Allocated memory is still 100.7MB. Free memory was 65.3MB in the beginning and 55.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 00:31:55,591 INFO L158 Benchmark]: BuchiAutomizer took 2551.13ms. Allocated memory is still 100.7MB. Free memory was 55.7MB in the beginning and 69.7MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:31:55,591 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 100.7MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 34.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:31:55,592 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 47.9MB in the end (delta: 82.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.61ms. Allocated memory is still 100.7MB. Free memory was 78.1MB in the beginning and 67.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.38ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 66.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.14ms. Allocated memory is still 100.7MB. Free memory was 66.4MB in the beginning and 65.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.16ms. Allocated memory is still 100.7MB. Free memory was 65.3MB in the beginning and 55.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2551.13ms. Allocated memory is still 100.7MB. Free memory was 55.7MB in the beginning and 69.7MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 100.7MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 34.6kB). 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 \old(n) and consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. 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, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 15 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital50 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq191 hnf97 smp100 dnf433 smp16 tf103 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 104ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 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 00:31:55,621 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