./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-bwb/reverse-bits1.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
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/termination-bwb/reverse-bits1.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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', '64bit', '--witnessprinter.graph.data.programhash', '3e71bbd54e7c2fb1c47dcb82c9eb8e40d9fc6da26d5ad2a71ce148ceb3cd82ca']
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/termination-bwb/reverse-bits1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 3e71bbd54e7c2fb1c47dcb82c9eb8e40d9fc6da26d5ad2a71ce148ceb3cd82ca
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 23:45:44,711 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 23:45:44,809 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf
[2024-11-07 23:45:44,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 23:45:44,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 23:45:44,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 23:45:44,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 23:45:44,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 23:45:44,844 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 23:45:44,844 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 23:45:44,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 23:45:44,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 23:45:44,845 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 23:45:44,845 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-07 23:45:44,845 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-11-07 23:45:44,845 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-11-07 23:45:44,846 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-11-07 23:45:44,846 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-11-07 23:45:44,846 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-07 23:45:44,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 23:45:44,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-11-07 23:45:44,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 23:45:44,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 23:45:44,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-11-07 23:45:44,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-07 23:45:44,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-11-07 23:45:44,848 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 23:45:44,848 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 23:45:44,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 23:45:44,848 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-11-07 23:45:44,848 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 23:45:44,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 23:45:44,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 23:45:44,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 23:45:44,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 23:45:44,848 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-07 23:45:44,848 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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e71bbd54e7c2fb1c47dcb82c9eb8e40d9fc6da26d5ad2a71ce148ceb3cd82ca
[2024-11-07 23:45:45,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 23:45:45,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 23:45:45,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 23:45:45,123 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 23:45:45,123 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 23:45:45,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/reverse-bits1.i
[2024-11-07 23:45:46,353 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 23:45:46,578 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 23:45:46,579 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-bwb/reverse-bits1.i
[2024-11-07 23:45:46,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/77d183151/4282a9a56dee43babb419fefe23865cd/FLAGdbc4dae52
[2024-11-07 23:45:46,604 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/77d183151/4282a9a56dee43babb419fefe23865cd
[2024-11-07 23:45:46,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 23:45:46,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 23:45:46,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 23:45:46,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 23:45:46,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 23:45:46,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5345b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46, skipping insertion in model container
[2024-11-07 23:45:46,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,629 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 23:45:46,751 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 23:45:46,758 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 23:45:46,768 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 23:45:46,781 INFO L204 MainTranslator]: Completed translation
[2024-11-07 23:45:46,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46 WrapperNode
[2024-11-07 23:45:46,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 23:45:46,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 23:45:46,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 23:45:46,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 23:45:46,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,807 INFO L138 Inliner]: procedures = 5, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68
[2024-11-07 23:45:46,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 23:45:46,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 23:45:46,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 23:45:46,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 23:45:46,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,820 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,827 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-07 23:45:46,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 23:45:46,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 23:45:46,840 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 23:45:46,840 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 23:45:46,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46" (1/1) ...
[2024-11-07 23:45:46,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-07 23:45:46,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 23:45:46,872 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)
[2024-11-07 23:45:46,879 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
[2024-11-07 23:45:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 23:45:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 23:45:46,963 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 23:45:46,965 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 23:45:47,094 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live.
[2024-11-07 23:45:47,095 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 23:45:47,101 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 23:45:47,101 INFO L316 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-07 23:45:47,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:45:47 BoogieIcfgContainer
[2024-11-07 23:45:47,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 23:45:47,103 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-07 23:45:47,103 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-11-07 23:45:47,107 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-11-07 23:45:47,108 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-07 23:45:47,108 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 11:45:46" (1/3) ...
[2024-11-07 23:45:47,109 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2747a267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 11:45:47, skipping insertion in model container
[2024-11-07 23:45:47,109 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-07 23:45:47,109 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:45:46" (2/3) ...
[2024-11-07 23:45:47,110 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2747a267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 11:45:47, skipping insertion in model container
[2024-11-07 23:45:47,110 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-07 23:45:47,110 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:45:47" (3/3) ...
[2024-11-07 23:45:47,112 INFO L332 chiAutomizerObserver]: Analyzing ICFG reverse-bits1.i
[2024-11-07 23:45:47,157 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-11-07 23:45:47,158 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-11-07 23:45:47,158 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-07 23:45:47,158 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-07 23:45:47,158 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-07 23:45:47,158 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-11-07 23:45:47,158 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-07 23:45:47,158 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-07 23:45:47,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 23:45:47,174 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9
[2024-11-07 23:45:47,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-07 23:45:47,175 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-07 23:45:47,178 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-11-07 23:45:47,179 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2024-11-07 23:45:47,179 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-11-07 23:45:47,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 23:45:47,180 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9
[2024-11-07 23:45:47,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-07 23:45:47,180 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-07 23:45:47,181 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-11-07 23:45:47,181 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2024-11-07 23:45:47,191 INFO L745 eck$LassoCheckResult]: Stem: 18#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~r~0 := 0;~s~0 := 31;~z~0 := 0;~y~0 := 0;~x~0 := 0;~n~0 := 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~bitwise4#1, main_#t~bitwise5#1, main_#t~post6#1, main_#t~bitwise7#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~n~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;~x~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1;~r~0 := ~v~0;~y~0 := ~v~0 - 1; 19#L18-7true
[2024-11-07 23:45:47,191 INFO L747 eck$LassoCheckResult]: Loop: 19#L18-7true assume 0 == ~x~0 || 0 == ~v~0 - ~y~0 - 1;main_#t~bitwise4#1 := 0; 5#L18-5true assume !!(0 != main_#t~bitwise4#1);havoc main_#t~bitwise4#1;~y~0 := 1; 19#L18-7true
[2024-11-07 23:45:47,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:45:47,198 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2024-11-07 23:45:47,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:45:47,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422858755]
[2024-11-07 23:45:47,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:45:47,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:45:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 23:45:47,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 23:45:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 23:45:47,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 23:45:47,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:45:47,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1263, now seen corresponding path program 1 times
[2024-11-07 23:45:47,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:45:47,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358884457]
[2024-11-07 23:45:47,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:45:47,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:45:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:45:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 23:45:47,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:45:47,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358884457]
[2024-11-07 23:45:47,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358884457] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 23:45:47,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 23:45:47,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-07 23:45:47,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560646867]
[2024-11-07 23:45:47,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 23:45:47,369 INFO L762 eck$LassoCheckResult]: loop already infeasible
[2024-11-07 23:45:47,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:45:47,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 23:45:47,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 23:45:47,389 INFO L87 Difference]: Start difference. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 23:45:47,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 23:45:47,409 INFO L93 Difference]: Finished difference Result 22 states and 29 transitions.
[2024-11-07 23:45:47,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions.
[2024-11-07 23:45:47,411 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9
[2024-11-07 23:45:47,414 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 13 states and 18 transitions.
[2024-11-07 23:45:47,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13
[2024-11-07 23:45:47,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13
[2024-11-07 23:45:47,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions.
[2024-11-07 23:45:47,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-07 23:45:47,416 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions.
[2024-11-07 23:45:47,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions.
[2024-11-07 23:45:47,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2024-11-07 23:45:47,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 23:45:47,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions.
[2024-11-07 23:45:47,436 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions.
[2024-11-07 23:45:47,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 23:45:47,444 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions.
[2024-11-07 23:45:47,444 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-11-07 23:45:47,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions.
[2024-11-07 23:45:47,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9
[2024-11-07 23:45:47,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-07 23:45:47,445 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-07 23:45:47,445 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2024-11-07 23:45:47,447 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2024-11-07 23:45:47,448 INFO L745 eck$LassoCheckResult]: Stem: 61#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~r~0 := 0;~s~0 := 31;~z~0 := 0;~y~0 := 0;~x~0 := 0;~n~0 := 0; 62#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~bitwise4#1, main_#t~bitwise5#1, main_#t~post6#1, main_#t~bitwise7#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~n~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;~x~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1;~r~0 := ~v~0;~y~0 := ~v~0 - 1; 63#L18-7
[2024-11-07 23:45:47,448 INFO L747 eck$LassoCheckResult]: Loop: 63#L18-7 assume !(0 == ~x~0 || 0 == ~v~0 - ~y~0 - 1); 57#L18-2 assume ~x~0 == ~v~0 - ~y~0 - 1;main_#t~bitwise4#1 := ~x~0; 59#L18-5 assume !!(0 != main_#t~bitwise4#1);havoc main_#t~bitwise4#1;~y~0 := 1; 63#L18-7
[2024-11-07 23:45:47,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:45:47,449 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times
[2024-11-07 23:45:47,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:45:47,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120720282]
[2024-11-07 23:45:47,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:45:47,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:45:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 23:45:47,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 23:45:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 23:45:47,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 23:45:47,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:45:47,466 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times
[2024-11-07 23:45:47,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:45:47,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022665045]
[2024-11-07 23:45:47,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:45:47,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:45:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 23:45:47,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 23:45:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 23:45:47,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 23:45:47,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:45:47,480 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times
[2024-11-07 23:45:47,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:45:47,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581620805]
[2024-11-07 23:45:47,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:45:47,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:45:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:45:47,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 23:45:47,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:45:47,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581620805]
[2024-11-07 23:45:47,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581620805] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 23:45:47,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 23:45:47,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 23:45:47,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023899234]
[2024-11-07 23:45:47,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 23:45:47,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:45:47,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 23:45:47,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 23:45:47,659 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 23:45:47,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 23:45:47,674 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions.
[2024-11-07 23:45:47,674 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions.
[2024-11-07 23:45:47,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5
[2024-11-07 23:45:47,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 12 transitions.
[2024-11-07 23:45:47,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10
[2024-11-07 23:45:47,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10
[2024-11-07 23:45:47,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions.
[2024-11-07 23:45:47,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-07 23:45:47,676 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions.
[2024-11-07 23:45:47,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions.
[2024-11-07 23:45:47,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2024-11-07 23:45:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 23:45:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions.
[2024-11-07 23:45:47,678 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions.
[2024-11-07 23:45:47,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 23:45:47,680 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions.
[2024-11-07 23:45:47,681 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-11-07 23:45:47,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions.
[2024-11-07 23:45:47,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5
[2024-11-07 23:45:47,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-07 23:45:47,681 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-07 23:45:47,681 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1]
[2024-11-07 23:45:47,681 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2024-11-07 23:45:47,682 INFO L745 eck$LassoCheckResult]: Stem: 89#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~r~0 := 0;~s~0 := 31;~z~0 := 0;~y~0 := 0;~x~0 := 0;~n~0 := 0; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~bitwise4#1, main_#t~bitwise5#1, main_#t~post6#1, main_#t~bitwise7#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~n~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;~z~0 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;~x~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1;~r~0 := ~v~0;~y~0 := ~v~0 - 1; 91#L18-7 assume 0 == ~x~0 || 0 == ~v~0 - ~y~0 - 1;main_#t~bitwise4#1 := 0; 86#L18-5 assume !(0 != main_#t~bitwise4#1);havoc main_#t~bitwise4#1; 87#L18-8 ~v~0 := ~v~0 / 2; 92#L22-2
[2024-11-07 23:45:47,683 INFO L747 eck$LassoCheckResult]: Loop: 92#L22-2 assume !!(~v~0 > 0);~r~0 := 2 * ~r~0;~z~0 := ~v~0 % 2; 88#L25 assume 0 == ~r~0 || ~r~0 == ~z~0;main_#t~bitwise5#1 := ~z~0; 84#L25-5 ~r~0 := main_#t~bitwise5#1;havoc main_#t~bitwise5#1;main_#t~post6#1 := ~s~0;~s~0 := main_#t~post6#1 - 1;havoc main_#t~post6#1;~v~0 := ~v~0 / 2; 92#L22-2
[2024-11-07 23:45:47,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:45:47,684 INFO L85 PathProgramCache]: Analyzing trace with hash 28698060, now seen corresponding path program 1 times
[2024-11-07 23:45:47,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:45:47,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482072185]
[2024-11-07 23:45:47,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:45:47,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:45:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 23:45:47,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 23:45:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 23:45:47,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 23:45:47,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:45:47,707 INFO L85 PathProgramCache]: Analyzing trace with hash 65645, now seen corresponding path program 1 times
[2024-11-07 23:45:47,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:45:47,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975775886]
[2024-11-07 23:45:47,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:45:47,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:45:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 23:45:47,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 23:45:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 23:45:47,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 23:45:47,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:45:47,728 INFO L85 PathProgramCache]: Analyzing trace with hash 245449410, now seen corresponding path program 1 times
[2024-11-07 23:45:47,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 23:45:47,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955413687]
[2024-11-07 23:45:47,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 23:45:47,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 23:45:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:45:47,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 23:45:47,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 23:45:47,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955413687]
[2024-11-07 23:45:47,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955413687] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 23:45:47,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 23:45:47,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-07 23:45:47,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167452964]
[2024-11-07 23:45:47,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 23:45:48,027 INFO L204 LassoAnalysis]: Preferences:
[2024-11-07 23:45:48,028 INFO L125 ssoRankerPreferences]: Compute integeral hull: false
[2024-11-07 23:45:48,028 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2024-11-07 23:45:48,028 INFO L127 ssoRankerPreferences]: Term annotations enabled: false
[2024-11-07 23:45:48,029 INFO L128 ssoRankerPreferences]: Use exernal solver: true
[2024-11-07 23:45:48,029 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-07 23:45:48,029 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false
[2024-11-07 23:45:48,029 INFO L131 ssoRankerPreferences]: Path of dumped script:
[2024-11-07 23:45:48,029 INFO L132 ssoRankerPreferences]: Filename of dumped script: reverse-bits1.i_Iteration3_Loop
[2024-11-07 23:45:48,029 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank
[2024-11-07 23:45:48,029 INFO L241 LassoAnalysis]: Starting lasso preprocessing...
[2024-11-07 23:45:48,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-07 23:45:48,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-07 23:45:48,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-07 23:45:48,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-07 23:45:48,230 INFO L259 LassoAnalysis]: Preprocessing complete.
[2024-11-07 23:45:48,230 INFO L365 LassoAnalysis]: Checking for nontermination...
[2024-11-07 23:45:48,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-07 23:45:48,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 23:45:48,235 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)
[2024-11-07 23:45:48,236 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
[2024-11-07 23:45:48,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-07 23:45:48,237 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-07 23:45:48,255 INFO L398 LassoAnalysis]: Proved nontermination for one component.
[2024-11-07 23:45:48,255 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise5#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2024-11-07 23:45:48,271 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
[2024-11-07 23:45:48,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-07 23:45:48,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 23:45:48,275 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)
[2024-11-07 23:45:48,276 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
[2024-11-07 23:45:48,277 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2024-11-07 23:45:48,277 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-07 23:45:48,323 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
[2024-11-07 23:45:48,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-07 23:45:48,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 23:45:48,326 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)
[2024-11-07 23:45:48,328 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
[2024-11-07 23:45:48,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2024-11-07 23:45:48,329 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2024-11-07 23:45:48,387 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2024-11-07 23:45:48,393 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
[2024-11-07 23:45:48,393 INFO L204 LassoAnalysis]: Preferences:
[2024-11-07 23:45:48,393 INFO L125 ssoRankerPreferences]: Compute integeral hull: false
[2024-11-07 23:45:48,393 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2024-11-07 23:45:48,393 INFO L127 ssoRankerPreferences]: Term annotations enabled: false
[2024-11-07 23:45:48,393 INFO L128 ssoRankerPreferences]: Use exernal solver: false
[2024-11-07 23:45:48,393 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-07 23:45:48,393 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false
[2024-11-07 23:45:48,393 INFO L131 ssoRankerPreferences]: Path of dumped script:
[2024-11-07 23:45:48,394 INFO L132 ssoRankerPreferences]: Filename of dumped script: reverse-bits1.i_Iteration3_Loop
[2024-11-07 23:45:48,394 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank
[2024-11-07 23:45:48,394 INFO L241 LassoAnalysis]: Starting lasso preprocessing...
[2024-11-07 23:45:48,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-07 23:45:48,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-07 23:45:48,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-07 23:45:48,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2024-11-07 23:45:48,547 INFO L259 LassoAnalysis]: Preprocessing complete.
[2024-11-07 23:45:48,550 INFO L451 LassoAnalysis]: Using template 'affine'.
[2024-11-07 23:45:48,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-07 23:45:48,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 23:45:48,554 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)
[2024-11-07 23:45:48,556 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
[2024-11-07 23:45:48,557 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
[2024-11-07 23:45:48,569 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-07 23:45:48,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2024-11-07 23:45:48,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-07 23:45:48,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-07 23:45:48,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-07 23:45:48,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2024-11-07 23:45:48,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2024-11-07 23:45:48,575 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings.
[2024-11-07 23:45:48,586 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
[2024-11-07 23:45:48,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-07 23:45:48,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 23:45:48,588 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)
[2024-11-07 23:45:48,589 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
[2024-11-07 23:45:48,590 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
[2024-11-07 23:45:48,602 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2024-11-07 23:45:48,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2024-11-07 23:45:48,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2024-11-07 23:45:48,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2024-11-07 23:45:48,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2024-11-07 23:45:48,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2024-11-07 23:45:48,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2024-11-07 23:45:48,610 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2024-11-07 23:45:48,617 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver.
[2024-11-07 23:45:48,621 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 2 variables to zero.
[2024-11-07 23:45:48,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-07 23:45:48,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 23:45:48,625 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)
[2024-11-07 23:45:48,629 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2024-11-07 23:45:48,630 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2024-11-07 23:45:48,634 INFO L474 LassoAnalysis]: Proved termination.
[2024-11-07 23:45:48,634 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
[2024-11-07 23:45:48,635 INFO L476 LassoAnalysis]: Termination argument consisting of:
Ranking function f(~v~0) = 1*~v~0
Supporting invariants []
[2024-11-07 23:45:48,650 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
[2024-11-07 23:45:48,652 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2024-11-07 23:45:48,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 23:45:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:45:48,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-07 23:45:48,694 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 23:45:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 23:45:48,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 23:45:48,717 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 23:45:48,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 23:45:48,742 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates
[2024-11-07 23:45:48,743 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 23:45:48,780 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 20 transitions. Complement of second has 4 states.
[2024-11-07 23:45:48,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states
[2024-11-07 23:45:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 23:45:48,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions.
[2024-11-07 23:45:48,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 5 letters. Loop has 3 letters.
[2024-11-07 23:45:48,790 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-07 23:45:48,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 8 letters. Loop has 3 letters.
[2024-11-07 23:45:48,790 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-07 23:45:48,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 5 letters. Loop has 6 letters.
[2024-11-07 23:45:48,791 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2024-11-07 23:45:48,791 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions.
[2024-11-07 23:45:48,792 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2024-11-07 23:45:48,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions.
[2024-11-07 23:45:48,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2024-11-07 23:45:48,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2024-11-07 23:45:48,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2024-11-07 23:45:48,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-07 23:45:48,794 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-07 23:45:48,794 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-07 23:45:48,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 23:45:48,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 23:45:48,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-07 23:45:48,794 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 23:45:48,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 23:45:48,794 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions.
[2024-11-07 23:45:48,794 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions.
[2024-11-07 23:45:48,794 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2024-11-07 23:45:48,794 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-07 23:45:48,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2024-11-07 23:45:48,795 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2024-11-07 23:45:48,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2024-11-07 23:45:48,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-07 23:45:48,795 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-07 23:45:48,795 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-07 23:45:48,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-07 23:45:48,795 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-07 23:45:48,795 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============
[2024-11-07 23:45:48,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2024-11-07 23:45:48,795 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2024-11-07 23:45:48,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2024-11-07 23:45:48,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 11:45:48 BoogieIcfgContainer
[2024-11-07 23:45:48,808 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-07 23:45:48,809 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 23:45:48,809 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 23:45:48,809 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 23:45:48,810 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:45:47" (3/4) ...
[2024-11-07 23:45:48,811 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 23:45:48,812 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 23:45:48,813 INFO L158 Benchmark]: Toolchain (without parser) took 2205.34ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 44.5MB in the end (delta: 47.6MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB.
[2024-11-07 23:45:48,813 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 23:45:48,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.39ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 81.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 23:45:48,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.77ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 23:45:48,815 INFO L158 Benchmark]: Boogie Preprocessor took 30.91ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 23:45:48,815 INFO L158 Benchmark]: RCFGBuilder took 261.72ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 69.1MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 23:45:48,816 INFO L158 Benchmark]: BuchiAutomizer took 1705.53ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 44.5MB in the end (delta: 24.4MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB.
[2024-11-07 23:45:48,816 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 117.4MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 34.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 23:45:48,819 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 174.39ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 81.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 24.77ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 30.91ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 261.72ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 69.1MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* BuchiAutomizer took 1705.53ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 44.5MB in the end (delta: 24.4MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB.
* Witness Printer took 3.40ms. Allocated memory is still 117.4MB. Free memory was 44.5MB in the beginning and 44.5MB 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 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function v and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 1.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. 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, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 47 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf100 lsp80 ukn100 mio100 lsp100 div442 bol100 ite100 ukn100 eq134 hnf95 smp41 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Termination proven
Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2024-11-07 23:45:48,839 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
[2024-11-07 23:45:49,047 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