./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/id_i20_o20-2.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-simple/id_i20_o20-2.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', '80b250f44ccc89442200d93f4bf6653c7aad36a18be4f80bda8f239187e0714d']
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-simple/id_i20_o20-2.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 80b250f44ccc89442200d93f4bf6653c7aad36a18be4f80bda8f239187e0714d
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-08 00:33:15,426 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 00:33:15,513 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-11-08 00:33:15,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 00:33:15,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 00:33:15,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 00:33:15,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 00:33:15,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 00:33:15,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 00:33:15,547 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 00:33:15,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 00:33:15,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 00:33:15,548 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 00:33:15,548 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-08 00:33:15,548 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-11-08 00:33:15,548 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-11-08 00:33:15,549 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-11-08 00:33:15,549 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-11-08 00:33:15,551 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-08 00:33:15,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 00:33:15,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-11-08 00:33:15,551 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 00:33:15,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 00:33:15,551 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 00:33:15,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 00:33:15,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-11-08 00:33:15,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-08 00:33:15,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-11-08 00:33:15,552 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 00:33:15,552 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 00:33:15,552 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 00:33:15,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 00:33:15,552 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-11-08 00:33:15,552 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 00:33:15,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 00:33:15,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 00:33:15,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 00:33:15,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 00:33:15,553 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-08 00:33:15,554 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 -> 80b250f44ccc89442200d93f4bf6653c7aad36a18be4f80bda8f239187e0714d
[2024-11-08 00:33:15,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 00:33:15,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 00:33:15,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 00:33:15,873 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 00:33:15,873 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 00:33:15,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c
[2024-11-08 00:33:17,225 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 00:33:17,419 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 00:33:17,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i20_o20-2.c
[2024-11-08 00:33:17,426 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2feaf9873/a9b8d1dae9bd4003985298b9140ecc0a/FLAGa4779ff63
[2024-11-08 00:33:17,440 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2feaf9873/a9b8d1dae9bd4003985298b9140ecc0a
[2024-11-08 00:33:17,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 00:33:17,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 00:33:17,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 00:33:17,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 00:33:17,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 00:33:17,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598c091a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17, skipping insertion in model container
[2024-11-08 00:33:17,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,465 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 00:33:17,599 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 00:33:17,612 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 00:33:17,625 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 00:33:17,638 INFO L204 MainTranslator]: Completed translation
[2024-11-08 00:33:17,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17 WrapperNode
[2024-11-08 00:33:17,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 00:33:17,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 00:33:17,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 00:33:17,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 00:33:17,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,666 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18
[2024-11-08 00:33:17,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 00:33:17,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 00:33:17,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 00:33:17,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 00:33:17,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,676 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,685 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 00:33:17,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 00:33:17,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 00:33:17,698 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 00:33:17,698 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 00:33:17,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17" (1/1) ...
[2024-11-08 00:33:17,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-08 00:33:17,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 00:33:17,732 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 00:33:17,740 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 00:33:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 00:33:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 00:33:17,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 00:33:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 00:33:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure id
[2024-11-08 00:33:17,761 INFO L138 BoogieDeclarations]: Found implementation of procedure id
[2024-11-08 00:33:17,824 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 00:33:17,826 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 00:33:17,905 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live.
[2024-11-08 00:33:17,905 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 00:33:17,912 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 00:33:17,912 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 00:33:17,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:33:17 BoogieIcfgContainer
[2024-11-08 00:33:17,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 00:33:17,914 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-08 00:33:17,914 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-11-08 00:33:17,918 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-11-08 00:33:17,919 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-08 00:33:17,919 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 12:33:17" (1/3) ...
[2024-11-08 00:33:17,920 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7750e791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:33:17, skipping insertion in model container
[2024-11-08 00:33:17,920 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-08 00:33:17,920 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:33:17" (2/3) ...
[2024-11-08 00:33:17,920 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7750e791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:33:17, skipping insertion in model container
[2024-11-08 00:33:17,921 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-08 00:33:17,921 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:33:17" (3/3) ...
[2024-11-08 00:33:17,922 INFO L332 chiAutomizerObserver]: Analyzing ICFG id_i20_o20-2.c
[2024-11-08 00:33:17,961 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-11-08 00:33:17,962 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-11-08 00:33:17,962 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-08 00:33:17,962 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-08 00:33:17,962 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-08 00:33:17,962 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-11-08 00:33:17,962 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-08 00:33:17,962 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-08 00:33:17,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 00:33:17,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2024-11-08 00:33:17,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-08 00:33:17,981 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-08 00:33:17,985 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2024-11-08 00:33:17,986 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2024-11-08 00:33:17,986 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-11-08 00:33:17,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 00:33:17,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2024-11-08 00:33:17,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-08 00:33:17,988 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-08 00:33:17,988 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2024-11-08 00:33:17,988 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2024-11-08 00:33:17,994 INFO L745 eck$LassoCheckResult]: Stem: 14#$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(15, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~input~0#1, main_~result~0#1;main_~input~0#1 := 20; 12#L13true call main_#t~ret5#1 := id(main_~input~0#1);< 5#$Ultimate##0true
[2024-11-08 00:33:17,994 INFO L747 eck$LassoCheckResult]: Loop: 5#$Ultimate##0true ~x := #in~x; 7#L7true assume !(0 == ~x); 6#L8true call #t~ret4 := id(~x - 1);< 5#$Ultimate##0true
[2024-11-08 00:33:18,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 00:33:18,001 INFO L85 PathProgramCache]: Analyzing trace with hash 29878, now seen corresponding path program 1 times
[2024-11-08 00:33:18,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 00:33:18,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586290114]
[2024-11-08 00:33:18,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 00:33:18,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 00:33:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 00:33:18,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 00:33:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 00:33:18,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 00:33:18,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 00:33:18,098 INFO L85 PathProgramCache]: Analyzing trace with hash 46806, now seen corresponding path program 1 times
[2024-11-08 00:33:18,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 00:33:18,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593919741]
[2024-11-08 00:33:18,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 00:33:18,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 00:33:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 00:33:18,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 00:33:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 00:33:18,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 00:33:18,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 00:33:18,111 INFO L85 PathProgramCache]: Analyzing trace with hash 890112513, now seen corresponding path program 1 times
[2024-11-08 00:33:18,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 00:33:18,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251215609]
[2024-11-08 00:33:18,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 00:33:18,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 00:33:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 00:33:18,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 00:33:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 00:33:18,145 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 00:33:18,257 INFO L204 LassoAnalysis]: Preferences:
[2024-11-08 00:33:18,258 INFO L125 ssoRankerPreferences]: Compute integeral hull: false
[2024-11-08 00:33:18,258 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2024-11-08 00:33:18,258 INFO L127 ssoRankerPreferences]: Term annotations enabled: false
[2024-11-08 00:33:18,258 INFO L128 ssoRankerPreferences]: Use exernal solver: true
[2024-11-08 00:33:18,259 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-08 00:33:18,263 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false
[2024-11-08 00:33:18,264 INFO L131 ssoRankerPreferences]: Path of dumped script:
[2024-11-08 00:33:18,264 INFO L132 ssoRankerPreferences]: Filename of dumped script: id_i20_o20-2.c_Iteration1_Loop
[2024-11-08 00:33:18,264 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank
[2024-11-08 00:33:18,264 INFO L241 LassoAnalysis]: Starting lasso preprocessing...
[2024-11-08 00:33:18,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,381 INFO L259 LassoAnalysis]: Preprocessing complete.
[2024-11-08 00:33:18,382 INFO L365 LassoAnalysis]: Checking for nontermination...
[2024-11-08 00:33:18,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-08 00:33:18,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 00:33:18,389 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 00:33:18,391 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 00:33:18,392 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-08 00:33:18,392 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-08 00:33:18,423 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 00:33:18,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-08 00:33:18,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 00:33:18,426 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 00:33:18,427 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 00:33:18,428 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2024-11-08 00:33:18,428 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-08 00:33:18,470 INFO L398 LassoAnalysis]: Proved nontermination for one component.
[2024-11-08 00:33:18,470 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-4} Honda state: {id_#in~x=-4} Generalized eigenvectors: [{id_#in~x=-1}, {id_#in~x=0}, {id_#in~x=0}] Lambdas: [1, 4, 1] Nus: [1, 0]
[2024-11-08 00:33:18,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0
[2024-11-08 00:33:18,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-08 00:33:18,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 00:33:18,486 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 00:33:18,487 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 00:33:18,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-08 00:33:18,487 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-08 00:33:18,499 INFO L398 LassoAnalysis]: Proved nontermination for one component.
[2024-11-08 00:33:18,499 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2024-11-08 00:33:18,513 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 00:33:18,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-08 00:33:18,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 00:33:18,516 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 00:33:18,518 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 00:33:18,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-08 00:33:18,519 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-08 00:33:18,533 INFO L398 LassoAnalysis]: Proved nontermination for one component.
[2024-11-08 00:33:18,533 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2024-11-08 00:33:18,544 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 00:33:18,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-08 00:33:18,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 00:33:18,546 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 00:33:18,548 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 00:33:18,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-08 00:33:18,549 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-08 00:33:18,561 INFO L398 LassoAnalysis]: Proved nontermination for one component.
[2024-11-08 00:33:18,561 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret4=0} Honda state: {id_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2024-11-08 00:33:18,573 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 00:33:18,806 INFO L204 LassoAnalysis]: Preferences:
[2024-11-08 00:33:18,806 INFO L125 ssoRankerPreferences]: Compute integeral hull: false
[2024-11-08 00:33:18,806 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2024-11-08 00:33:18,806 INFO L127 ssoRankerPreferences]: Term annotations enabled: false
[2024-11-08 00:33:18,807 INFO L128 ssoRankerPreferences]: Use exernal solver: false
[2024-11-08 00:33:18,807 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-08 00:33:18,807 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false
[2024-11-08 00:33:18,807 INFO L131 ssoRankerPreferences]: Path of dumped script:
[2024-11-08 00:33:18,807 INFO L132 ssoRankerPreferences]: Filename of dumped script: id_i20_o20-2.c_Iteration1_Lasso
[2024-11-08 00:33:18,807 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank
[2024-11-08 00:33:18,807 INFO L241 LassoAnalysis]: Starting lasso preprocessing...
[2024-11-08 00:33:18,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:18,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-08 00:33:19,056 INFO L259 LassoAnalysis]: Preprocessing complete.
[2024-11-08 00:33:19,061 INFO L451 LassoAnalysis]: Using template 'affine'.
[2024-11-08 00:33:19,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-08 00:33:19,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 00:33:19,064 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 00:33:19,066 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 00:33:19,067 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 00:33:19,080 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-08 00:33:19,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2024-11-08 00:33:19,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-08 00:33:19,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-08 00:33:19,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-08 00:33:19,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2024-11-08 00:33:19,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2024-11-08 00:33:19,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings.
[2024-11-08 00:33:19,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0
[2024-11-08 00:33:19,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-08 00:33:19,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 00:33:19,105 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 00:33:19,107 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 00:33:19,107 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 00:33:19,119 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-08 00:33:19,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-08 00:33:19,119 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts
[2024-11-08 00:33:19,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-08 00:33:19,131 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications.
[2024-11-08 00:33:19,131 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added.
[2024-11-08 00:33:19,146 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2024-11-08 00:33:19,174 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver.
[2024-11-08 00:33:19,177 INFO L444 ModelExtractionUtils]: 0 out of 11 variables were initially zero. Simplification set additionally 8 variables to zero.
[2024-11-08 00:33:19,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-08 00:33:19,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 00:33:19,182 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 00:33:19,183 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 00:33:19,184 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2024-11-08 00:33:19,201 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4.
[2024-11-08 00:33:19,201 INFO L474 LassoAnalysis]: Proved termination.
[2024-11-08 00:33:19,203 INFO L476 LassoAnalysis]: Termination argument consisting of:
Ranking function f(id_#in~x) = 1*id_#in~x
Supporting invariants [1*id_#in~x >= 0]
[2024-11-08 00:33:19,218 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 00:33:19,224 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed
[2024-11-08 00:33:19,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 00:33:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 00:33:19,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 00:33:19,286 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 00:33:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 00:33:19,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-08 00:33:19,329 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 00:33:19,382 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 00:33:19,405 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates
[2024-11-08 00:33:19,407 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 00:33:19,526 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 36 transitions. Complement of second has 17 states.
[2024-11-08 00:33:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states
[2024-11-08 00:33:19,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 00:33:19,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions.
[2024-11-08 00:33:19,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 8 transitions. Stem has 3 letters. Loop has 3 letters.
[2024-11-08 00:33:19,538 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-08 00:33:19,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 8 transitions. Stem has 6 letters. Loop has 3 letters.
[2024-11-08 00:33:19,538 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-08 00:33:19,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 8 transitions. Stem has 3 letters. Loop has 6 letters.
[2024-11-08 00:33:19,538 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-08 00:33:19,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions.
[2024-11-08 00:33:19,541 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2024-11-08 00:33:19,542 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions.
[2024-11-08 00:33:19,543 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2024-11-08 00:33:19,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2024-11-08 00:33:19,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2024-11-08 00:33:19,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-08 00:33:19,544 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 00:33:19,544 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 00:33:19,544 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 00:33:19,544 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-11-08 00:33:19,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2024-11-08 00:33:19,544 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2024-11-08 00:33:19,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2024-11-08 00:33:19,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 12:33:19 BoogieIcfgContainer
[2024-11-08 00:33:19,551 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-08 00:33:19,551 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 00:33:19,551 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 00:33:19,552 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 00:33:19,552 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:33:17" (3/4) ...
[2024-11-08 00:33:19,554 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 00:33:19,555 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 00:33:19,555 INFO L158 Benchmark]: Toolchain (without parser) took 2109.75ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 42.7MB in the end (delta: 49.8MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB.
[2024-11-08 00:33:19,556 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 00:33:19,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.77ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 82.2MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-08 00:33:19,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.45ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 00:33:19,557 INFO L158 Benchmark]: Boogie Preprocessor took 29.66ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 00:33:19,557 INFO L158 Benchmark]: RCFGBuilder took 214.69ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 71.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-08 00:33:19,558 INFO L158 Benchmark]: BuchiAutomizer took 1637.29ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 42.8MB in the end (delta: 28.8MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB.
[2024-11-08 00:33:19,558 INFO L158 Benchmark]: Witness Printer took 3.44ms. Allocated memory is still 117.4MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 34.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 00:33:19,559 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 191.77ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 82.2MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 27.45ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 29.66ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 214.69ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 71.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* BuchiAutomizer took 1637.29ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 42.8MB in the end (delta: 28.8MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB.
* Witness Printer took 3.44ms. Allocated memory is still 117.4MB. Free memory was 42.8MB in the beginning and 42.7MB 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(x) and consists of 6 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 5 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp66 ukn81 mio100 lsp96 div100 bol100 ite100 ukn100 eq199 hnf95 smp100 dnf144 smp100 tf103 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 98ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Termination proven
Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2024-11-08 00:33:19,584 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 00:33:19,785 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