./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for termination
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu --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 b38f47c3dcd7731e15cfc2cee00261f352bac0ed4fe94aeeb81a5c76defb252d
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:36:00,594 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:36:00,668 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf
[2023-11-19 07:36:00,674 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:36:00,675 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:36:00,702 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:36:00,702 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:36:00,703 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:36:00,704 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:36:00,705 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:36:00,705 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:36:00,706 INFO  L151        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2023-11-19 07:36:00,706 INFO  L153        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2023-11-19 07:36:00,707 INFO  L153        SettingsManager]:  * Use old map elimination=false
[2023-11-19 07:36:00,708 INFO  L153        SettingsManager]:  * Use external solver (rank synthesis)=false
[2023-11-19 07:36:00,708 INFO  L153        SettingsManager]:  * Use only trivial implications for array writes=true
[2023-11-19 07:36:00,709 INFO  L153        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2023-11-19 07:36:00,709 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:36:00,710 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2023-11-19 07:36:00,711 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:36:00,711 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:36:00,712 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:36:00,713 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:36:00,713 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2023-11-19 07:36:00,714 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2023-11-19 07:36:00,714 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2023-11-19 07:36:00,715 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 07:36:00,715 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:36:00,716 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:36:00,716 INFO  L153        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2023-11-19 07:36:00,717 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:36:00,717 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:36:00,718 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:36:00,718 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:36:00,719 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:36:00,720 INFO  L151        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2023-11-19 07:36:00,720 INFO  L153        SettingsManager]:  * TransformationType=MODULO_NEIGHBOR
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu
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 -> b38f47c3dcd7731e15cfc2cee00261f352bac0ed4fe94aeeb81a5c76defb252d
[2023-11-19 07:36:00,977 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:36:00,998 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:36:01,001 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:36:01,003 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:36:01,003 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:36:01,004 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i
[2023-11-19 07:36:04,188 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:36:04,403 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:36:04,404 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/sv-benchmarks/c/loop-invgen/NetBSD_loop.i
[2023-11-19 07:36:04,412 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/data/d001c97e5/5d80b68a0c2a4920bf807108454ae849/FLAGb409fd26b
[2023-11-19 07:36:04,427 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/data/d001c97e5/5d80b68a0c2a4920bf807108454ae849
[2023-11-19 07:36:04,430 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:36:04,431 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:36:04,433 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:36:04,433 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:36:04,438 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:36:04,439 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:04" (1/1) ...
[2023-11-19 07:36:04,440 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed8fcd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04, skipping insertion in model container
[2023-11-19 07:36:04,441 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:04" (1/1) ...
[2023-11-19 07:36:04,463 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:36:04,649 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:36:04,660 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:36:04,682 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:36:04,697 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:36:04,697 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04 WrapperNode
[2023-11-19 07:36:04,698 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:36:04,699 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:36:04,699 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:36:04,699 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:36:04,707 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ...
[2023-11-19 07:36:04,717 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ...
[2023-11-19 07:36:04,741 INFO  L138                Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 54
[2023-11-19 07:36:04,741 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:36:04,742 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:36:04,743 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:36:04,744 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:36:04,753 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ...
[2023-11-19 07:36:04,754 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ...
[2023-11-19 07:36:04,770 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ...
[2023-11-19 07:36:04,770 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ...
[2023-11-19 07:36:04,773 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ...
[2023-11-19 07:36:04,780 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ...
[2023-11-19 07:36:04,782 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ...
[2023-11-19 07:36:04,788 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ...
[2023-11-19 07:36:04,789 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:36:04,795 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:36:04,795 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:36:04,796 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:36:04,796 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ...
[2023-11-19 07:36:04,803 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:36:04,815 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:36:04,829 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:36:04,858 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:36:04,882 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:36:04,883 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:36:04,883 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:36:04,883 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:36:04,945 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:36:04,947 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:36:05,097 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:36:05,104 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:36:05,105 INFO  L302             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:36:05,109 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:05 BoogieIcfgContainer
[2023-11-19 07:36:05,111 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:36:05,112 INFO  L112        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2023-11-19 07:36:05,112 INFO  L270        PluginConnector]: Initializing BuchiAutomizer...
[2023-11-19 07:36:05,117 INFO  L274        PluginConnector]: BuchiAutomizer initialized
[2023-11-19 07:36:05,117 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:36:05,118 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:36:04" (1/3) ...
[2023-11-19 07:36:05,118 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3745d6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:36:05, skipping insertion in model container
[2023-11-19 07:36:05,119 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:36:05,119 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (2/3) ...
[2023-11-19 07:36:05,119 INFO  L204        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3745d6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:36:05, skipping insertion in model container
[2023-11-19 07:36:05,119 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2023-11-19 07:36:05,119 INFO  L184        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:05" (3/3) ...
[2023-11-19 07:36:05,121 INFO  L332   chiAutomizerObserver]: Analyzing ICFG NetBSD_loop.i
[2023-11-19 07:36:05,210 INFO  L303   stractBuchiCegarLoop]: Interprodecural is true
[2023-11-19 07:36:05,210 INFO  L304   stractBuchiCegarLoop]: Hoare is false
[2023-11-19 07:36:05,210 INFO  L305   stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2023-11-19 07:36:05,210 INFO  L306   stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2023-11-19 07:36:05,210 INFO  L307   stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2023-11-19 07:36:05,211 INFO  L308   stractBuchiCegarLoop]: Difference is false
[2023-11-19 07:36:05,211 INFO  L309   stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2023-11-19 07:36:05,211 INFO  L313   stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2023-11-19 07:36:05,216 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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)
[2023-11-19 07:36:05,244 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 12
[2023-11-19 07:36:05,245 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:36:05,245 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:36:05,252 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1]
[2023-11-19 07:36:05,252 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:05,252 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 1 ============
[2023-11-19 07:36:05,253 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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)
[2023-11-19 07:36:05,258 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 12
[2023-11-19 07:36:05,259 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2023-11-19 07:36:05,259 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2023-11-19 07:36:05,260 INFO  L148   hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1]
[2023-11-19 07:36:05,260 INFO  L149   hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 07:36:05,269 INFO  L748   eck$LassoCheckResult]: Stem: 17#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~MAXPATHLEN~0#1, main_~pathbuf_off~0#1, main_~bound_off~0#1, main_~glob2_p_off~0#1, main_~glob2_pathbuf_off~0#1, main_~glob2_pathlim_off~0#1;havoc main_~MAXPATHLEN~0#1;havoc main_~pathbuf_off~0#1;havoc main_~bound_off~0#1;havoc main_~glob2_p_off~0#1;havoc main_~glob2_pathbuf_off~0#1;havoc main_~glob2_pathlim_off~0#1;havoc main_#t~nondet1#1;main_~MAXPATHLEN~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L33true assume main_~MAXPATHLEN~0#1 > 0 && main_~MAXPATHLEN~0#1 < 2147483647; 8#L33-1true main_~pathbuf_off~0#1 := 0;main_~bound_off~0#1 := main_~pathbuf_off~0#1 + (1 + main_~MAXPATHLEN~0#1) - 1;main_~glob2_pathbuf_off~0#1 := main_~pathbuf_off~0#1;main_~glob2_pathlim_off~0#1 := main_~bound_off~0#1;main_~glob2_p_off~0#1 := main_~glob2_pathbuf_off~0#1; 6#L38-3true 
[2023-11-19 07:36:05,272 INFO  L750   eck$LassoCheckResult]: Loop: 6#L38-3true assume !!(main_~glob2_p_off~0#1 <= main_~glob2_pathlim_off~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~glob2_p_off~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 13#L18true assume !(0 == __VERIFIER_assert_~cond#1); 15#L18-2true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~glob2_p_off~0#1 < 1 + main_~MAXPATHLEN~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 16#L18-3true assume !(0 == __VERIFIER_assert_~cond#1); 7#L18-5true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 12#L38-2true main_#t~post2#1 := main_~glob2_p_off~0#1;main_~glob2_p_off~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6#L38-3true 
[2023-11-19 07:36:05,279 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:05,280 INFO  L85        PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times
[2023-11-19 07:36:05,290 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:05,291 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602429107]
[2023-11-19 07:36:05,292 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:05,292 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:05,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:36:05,462 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:36:05,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:36:05,507 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:36:05,511 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:05,511 INFO  L85        PathProgramCache]: Analyzing trace with hash 1403889055, now seen corresponding path program 1 times
[2023-11-19 07:36:05,511 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:05,512 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342473964]
[2023-11-19 07:36:05,512 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:05,512 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:05,541 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:36:05,542 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:36:05,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:36:05,574 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:36:05,576 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:05,576 INFO  L85        PathProgramCache]: Analyzing trace with hash -1078791995, now seen corresponding path program 1 times
[2023-11-19 07:36:05,577 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:36:05,578 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924390963]
[2023-11-19 07:36:05,578 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:36:05,578 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:36:05,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:36:05,618 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:36:05,650 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:36:05,658 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:36:05,836 INFO  L210          LassoAnalysis]: Preferences:
[2023-11-19 07:36:05,837 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2023-11-19 07:36:05,837 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2023-11-19 07:36:05,837 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2023-11-19 07:36:05,837 INFO  L129   ssoRankerPreferences]: Use exernal solver: true
[2023-11-19 07:36:05,838 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:36:05,838 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2023-11-19 07:36:05,838 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2023-11-19 07:36:05,838 INFO  L133   ssoRankerPreferences]: Filename of dumped script: NetBSD_loop.i_Iteration1_Loop
[2023-11-19 07:36:05,838 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2023-11-19 07:36:05,839 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2023-11-19 07:36:05,856 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:36:05,875 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:36:05,878 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:36:05,881 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:36:05,927 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2023-11-19 07:36:05,928 INFO  L404          LassoAnalysis]: Checking for nontermination...
[2023-11-19 07:36:05,930 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:36:05,931 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:36:05,935 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:36:05,944 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2023-11-19 07:36:05,945 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2023-11-19 07:36:05,945 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2023-11-19 07:36:06,008 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0
[2023-11-19 07:36:06,009 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:36:06,009 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:36:06,010 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:36:06,017 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2023-11-19 07:36:06,017 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2023-11-19 07:36:06,030 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2023-11-19 07:36:06,128 INFO  L444          LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2023-11-19 07:36:06,136 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:36:06,136 INFO  L210          LassoAnalysis]: Preferences:
[2023-11-19 07:36:06,136 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2023-11-19 07:36:06,136 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2023-11-19 07:36:06,137 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2023-11-19 07:36:06,137 INFO  L129   ssoRankerPreferences]: Use exernal solver: false
[2023-11-19 07:36:06,137 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:36:06,137 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2023-11-19 07:36:06,137 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2023-11-19 07:36:06,137 INFO  L133   ssoRankerPreferences]: Filename of dumped script: NetBSD_loop.i_Iteration1_Loop
[2023-11-19 07:36:06,138 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2023-11-19 07:36:06,138 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2023-11-19 07:36:06,139 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:36:06,152 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:36:06,156 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:36:06,160 INFO  L118          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2023-11-19 07:36:06,197 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2023-11-19 07:36:06,202 INFO  L490          LassoAnalysis]: Using template 'affine'.
[2023-11-19 07:36:06,203 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:36:06,203 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:36:06,205 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:36:06,216 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
[2023-11-19 07:36:06,216 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2023-11-19 07:36:06,229 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2023-11-19 07:36:06,229 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2023-11-19 07:36:06,230 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2023-11-19 07:36:06,230 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2023-11-19 07:36:06,230 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2023-11-19 07:36:06,233 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2023-11-19 07:36:06,234 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2023-11-19 07:36:06,249 INFO  L420   nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2023-11-19 07:36:06,257 INFO  L443   ModelExtractionUtils]: Simplification made 3 calls to the SMT solver.
[2023-11-19 07:36:06,257 INFO  L444   ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero.
[2023-11-19 07:36:06,259 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2023-11-19 07:36:06,259 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:36:06,305 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2023-11-19 07:36:06,312 INFO  L435   nArgumentSynthesizer]: Simplifying supporting invariants...
[2023-11-19 07:36:06,312 INFO  L438   nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2023-11-19 07:36:06,313 INFO  L513          LassoAnalysis]: Proved termination.
[2023-11-19 07:36:06,313 INFO  L515          LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~glob2_p_off~0#1, ULTIMATE.start_main_~glob2_pathlim_off~0#1) = -2*ULTIMATE.start_main_~glob2_p_off~0#1 + 2*ULTIMATE.start_main_~glob2_pathlim_off~0#1 + 1
Supporting invariants []
[2023-11-19 07:36:06,331 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2023-11-19 07:36:06,338 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:36:06,342 INFO  L156   tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2023-11-19 07:36:06,393 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:36:06,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:06,419 INFO  L262         TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-19 07:36:06,420 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:36:06,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:36:06,440 INFO  L262         TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:36:06,441 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:36:06,495 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:36:06,542 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 
[2023-11-19 07:36:06,545 INFO  L71    iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand  has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:36:06,629 INFO  L75    iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand  has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 64 transitions. Complement of second has 8 states.
[2023-11-19 07:36:06,632 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states 
[2023-11-19 07:36:06,637 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:36:06,637 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 46 transitions.
[2023-11-19 07:36:06,639 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 4 letters. Loop has 6 letters.
[2023-11-19 07:36:06,640 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2023-11-19 07:36:06,640 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 10 letters. Loop has 6 letters.
[2023-11-19 07:36:06,640 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2023-11-19 07:36:06,641 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 4 letters. Loop has 12 letters.
[2023-11-19 07:36:06,641 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2023-11-19 07:36:06,642 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 64 transitions.
[2023-11-19 07:36:06,646 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2023-11-19 07:36:06,648 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 0 states and 0 transitions.
[2023-11-19 07:36:06,649 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2023-11-19 07:36:06,650 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2023-11-19 07:36:06,650 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2023-11-19 07:36:06,650 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:36:06,650 INFO  L218   hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:36:06,651 INFO  L240   hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:36:06,651 INFO  L428   stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:36:06,651 INFO  L335   stractBuchiCegarLoop]: ======== Iteration 2 ============
[2023-11-19 07:36:06,651 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:36:06,651 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2023-11-19 07:36:06,651 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2023-11-19 07:36:06,659 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:36:06 BoogieIcfgContainer
[2023-11-19 07:36:06,659 INFO  L131        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2023-11-19 07:36:06,659 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:36:06,660 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:36:06,660 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:36:06,660 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:05" (3/4) ...
[2023-11-19 07:36:06,662 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2023-11-19 07:36:06,663 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:36:06,664 INFO  L158              Benchmark]: Toolchain (without parser) took 2232.82ms. Allocated memory is still 165.7MB. Free memory was 123.1MB in the beginning and 95.5MB in the end (delta: 27.6MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB.
[2023-11-19 07:36:06,665 INFO  L158              Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:36:06,665 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 265.12ms. Allocated memory is still 165.7MB. Free memory was 122.6MB in the beginning and 112.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:36:06,666 INFO  L158              Benchmark]: Boogie Procedure Inliner took 42.83ms. Allocated memory is still 165.7MB. Free memory was 112.5MB in the beginning and 110.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:36:06,667 INFO  L158              Benchmark]: Boogie Preprocessor took 51.82ms. Allocated memory is still 165.7MB. Free memory was 110.9MB in the beginning and 110.0MB in the end (delta: 929.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:36:06,667 INFO  L158              Benchmark]: RCFGBuilder took 316.01ms. Allocated memory is still 165.7MB. Free memory was 110.0MB in the beginning and 100.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:36:06,668 INFO  L158              Benchmark]: BuchiAutomizer took 1546.81ms. Allocated memory is still 165.7MB. Free memory was 100.0MB in the beginning and 95.5MB in the end (delta: 4.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB.
[2023-11-19 07:36:06,668 INFO  L158              Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 165.7MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:36:06,672 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 265.12ms. Allocated memory is still 165.7MB. Free memory was 122.6MB in the beginning and 112.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 42.83ms. Allocated memory is still 165.7MB. Free memory was 112.5MB in the beginning and 110.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 51.82ms. Allocated memory is still 165.7MB. Free memory was 110.9MB in the beginning and 110.0MB in the end (delta: 929.2kB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 316.01ms. Allocated memory is still 165.7MB. Free memory was 110.0MB in the beginning and 100.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 1546.81ms. Allocated memory is still 165.7MB. Free memory was 100.0MB in the beginning and 95.5MB in the end (delta: 4.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB.
 * Witness Printer took 4.06ms. Allocated memory is still 165.7MB. Free memory is still 95.5MB. 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 (((-2 * glob2_p_off) + (2 * glob2_pathlim_off)) + 1) and consists of 5 locations. 
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 1.4s and 2 iterations.  TraceHistogramMax:1. Analysis of lassos took 1.0s. 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, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 17 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown	LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks:   Lassos: inital16 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf109 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 110ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 1	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 0.1s	InitialAbstractionConstructionTime: 0.0s
  - TerminationAnalysisResult: Termination proven
    Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:36:06,704 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2023-11-19 07:36:06,912 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE