./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i --full-output --architecture 64bit


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


Checking for termination
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --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 717baf941b5233bcdd3406dedb0f8a4ec61d7d81c585f16d362540f6a1da773f
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:02:38,459 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:02:38,462 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:02:38,512 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:02:38,513 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:02:38,515 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:02:38,518 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:02:38,521 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:02:38,524 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:02:38,525 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:02:38,527 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:02:38,529 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:02:38,529 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:02:38,531 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:02:38,533 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:02:38,534 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:02:38,539 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:02:38,541 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:02:38,544 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:02:38,548 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:02:38,553 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:02:38,555 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:02:38,559 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:02:38,561 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:02:38,568 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:02:38,573 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:02:38,573 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:02:38,574 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:02:38,576 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:02:38,578 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:02:38,579 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:02:38,580 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:02:38,582 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:02:38,583 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:02:38,584 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:02:38,585 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:02:38,585 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:02:38,586 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:02:38,586 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:02:38,587 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:02:38,588 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:02:38,589 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf
[2021-10-28 23:02:38,636 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-28 23:02:38,636 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:02:38,637 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:02:38,637 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:02:38,638 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:02:38,639 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-28 23:02:38,639 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-28 23:02:38,639 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 23:02:38,639 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2021-10-28 23:02:38,639 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2021-10-28 23:02:38,641 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2021-10-28 23:02:38,641 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2021-10-28 23:02:38,641 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 23:02:38,641 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:02:38,641 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:02:38,642 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-28 23:02:38,642 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-28 23:02:38,642 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 23:02:38,642 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 23:02:38,643 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 23:02:38,643 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-28 23:02:38,643 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2021-10-28 23:02:38,643 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-28 23:02:38,643 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2021-10-28 23:02:38,644 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:02:38,644 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-28 23:02:38,645 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:02:38,646 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-28 23:02:38,646 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-28 23:02:38,647 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 23:02:38,648 INFO  L138        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_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/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_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 -> 717baf941b5233bcdd3406dedb0f8a4ec61d7d81c585f16d362540f6a1da773f
[2021-10-28 23:02:38,985 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:02:39,005 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:02:39,009 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:02:39,011 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-28 23:02:39,012 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-28 23:02:39,013 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i
[2021-10-28 23:02:39,108 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/data/8a5565c3e/9d44b62c539f44c49f1decf50be2026f/FLAGbde97ffec
[2021-10-28 23:02:39,638 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-28 23:02:39,639 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i
[2021-10-28 23:02:39,653 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/data/8a5565c3e/9d44b62c539f44c49f1decf50be2026f/FLAGbde97ffec
[2021-10-28 23:02:39,961 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/data/8a5565c3e/9d44b62c539f44c49f1decf50be2026f
[2021-10-28 23:02:39,965 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:02:39,967 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:02:39,971 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:02:39,971 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:02:39,976 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:02:39,977 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:02:39" (1/1) ...
[2021-10-28 23:02:39,979 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a420818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:39, skipping insertion in model container
[2021-10-28 23:02:39,979 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:02:39" (1/1) ...
[2021-10-28 23:02:39,989 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-28 23:02:40,029 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:02:40,337 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:02:40,350 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-28 23:02:40,428 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:02:40,474 INFO  L208         MainTranslator]: Completed translation
[2021-10-28 23:02:40,474 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40 WrapperNode
[2021-10-28 23:02:40,475 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:02:40,476 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:02:40,477 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:02:40,477 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:02:40,486 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,501 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,522 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:02:40,522 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:02:40,523 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:02:40,523 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:02:40,531 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,532 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,534 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,535 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,539 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,543 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,544 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,546 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:02:40,547 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:02:40,547 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:02:40,548 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:02:40,549 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (1/1) ...
[2021-10-28 23:02:40,557 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:02:40,570 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:40,583 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:40,602 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:02:40,644 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-28 23:02:40,644 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:02:40,645 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-28 23:02:40,645 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:02:40,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:02:40,964 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:02:40,964 INFO  L299             CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-28 23:02:40,966 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:02:40 BoogieIcfgContainer
[2021-10-28 23:02:40,966 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:02:40,967 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 23:02:40,968 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 23:02:40,974 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2021-10-28 23:02:40,980 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:02:40,981 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:02:39" (1/3) ...
[2021-10-28 23:02:40,983 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1eb4f7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:02:40, skipping insertion in model container
[2021-10-28 23:02:40,983 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:02:40,983 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:40" (2/3) ...
[2021-10-28 23:02:40,984 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1eb4f7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:02:40, skipping insertion in model container
[2021-10-28 23:02:40,984 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:02:40,984 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:02:40" (3/3) ...
[2021-10-28 23:02:40,986 INFO  L389   chiAutomizerObserver]: Analyzing ICFG openbsd_cbzero-alloca-1.i
[2021-10-28 23:02:41,044 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2021-10-28 23:02:41,044 INFO  L360         BuchiCegarLoop]: Hoare is false
[2021-10-28 23:02:41,044 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 23:02:41,044 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 23:02:41,045 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 23:02:41,045 INFO  L364         BuchiCegarLoop]: Difference is false
[2021-10-28 23:02:41,045 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 23:02:41,045 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 23:02:41,069 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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)
[2021-10-28 23:02:41,097 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-10-28 23:02:41,097 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:02:41,097 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:02:41,105 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1]
[2021-10-28 23:02:41,105 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-10-28 23:02:41,105 INFO  L425         BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 23:02:41,106 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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)
[2021-10-28 23:02:41,110 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-10-28 23:02:41,110 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:02:41,110 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:02:41,111 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1]
[2021-10-28 23:02:41,111 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-10-28 23:02:41,119 INFO  L791   eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~nondet5, main_#t~malloc6.base, main_#t~malloc6.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~n~0 := main_#t~nondet5;havoc main_#t~nondet5; 8#L557true assume !(main_~length~0 < 1); 7#L557-2true assume !(main_~n~0 < 1); 6#L560-1true assume !(main_~n~0 > main_~length~0);call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;cbzero_#in~b.base, cbzero_#in~b.offset, cbzero_#in~length := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~n~0;havoc cbzero_#t~post3.base, cbzero_#t~post3.offset, cbzero_#t~post2, cbzero_~b.base, cbzero_~b.offset, cbzero_~length, cbzero_~p~0.base, cbzero_~p~0.offset;cbzero_~b.base, cbzero_~b.offset := cbzero_#in~b.base, cbzero_#in~b.offset;cbzero_~length := cbzero_#in~length;havoc cbzero_~p~0.base, cbzero_~p~0.offset;cbzero_~p~0.base, cbzero_~p~0.offset := cbzero_~b.base, cbzero_~b.offset; 9#L551-3true 
[2021-10-28 23:02:41,119 INFO  L793   eck$LassoCheckResult]: Loop: 9#L551-3true cbzero_#t~post2 := cbzero_~length;cbzero_~length := cbzero_#t~post2 - 1; 10#L551-1true assume !!(0 != cbzero_#t~post2);havoc cbzero_#t~post2;cbzero_#t~post3.base, cbzero_#t~post3.offset := cbzero_~p~0.base, cbzero_~p~0.offset;cbzero_~p~0.base, cbzero_~p~0.offset := cbzero_#t~post3.base, 1 + cbzero_#t~post3.offset;call write~int(0, cbzero_#t~post3.base, cbzero_#t~post3.offset, 1);havoc cbzero_#t~post3.base, cbzero_#t~post3.offset; 9#L551-3true 
[2021-10-28 23:02:41,133 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:41,134 INFO  L85        PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times
[2021-10-28 23:02:41,146 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:41,146 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57787101]
[2021-10-28 23:02:41,147 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:41,149 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:41,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:02:41,309 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:02:41,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:02:41,363 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:02:41,367 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:41,367 INFO  L85        PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times
[2021-10-28 23:02:41,367 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:41,369 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124589231]
[2021-10-28 23:02:41,369 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:41,369 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:41,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:02:41,401 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:02:41,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:02:41,420 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:02:41,422 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:41,422 INFO  L85        PathProgramCache]: Analyzing trace with hash 1806939567, now seen corresponding path program 1 times
[2021-10-28 23:02:41,422 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:02:41,423 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87527880]
[2021-10-28 23:02:41,423 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:02:41,423 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:02:41,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:02:41,446 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:02:41,470 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:02:41,475 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:02:42,094 INFO  L210          LassoAnalysis]: Preferences:
[2021-10-28 23:02:42,095 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2021-10-28 23:02:42,095 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-10-28 23:02:42,095 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2021-10-28 23:02:42,096 INFO  L129   ssoRankerPreferences]: Use exernal solver: false
[2021-10-28 23:02:42,096 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:02:42,096 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2021-10-28 23:02:42,096 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2021-10-28 23:02:42,096 INFO  L133   ssoRankerPreferences]: Filename of dumped script: openbsd_cbzero-alloca-1.i_Iteration1_Lasso
[2021-10-28 23:02:42,096 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2021-10-28 23:02:42,097 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2021-10-28 23:02:42,118 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-28 23:02:42,124 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-28 23:02:42,127 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-28 23:02:42,129 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-28 23:02:42,132 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-28 23:02:42,134 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-28 23:02:42,322 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-28 23:02:42,325 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-28 23:02:42,328 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-28 23:02:42,331 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-28 23:02:42,335 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-28 23:02:42,337 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-28 23:02:42,678 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2021-10-28 23:02:42,682 INFO  L490          LassoAnalysis]: Using template 'affine'.
[2021-10-28 23:02:42,684 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:02:42,685 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:42,688 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:42,698 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
[2021-10-28 23:02:42,710 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 23:02:42,710 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-28 23:02:42,711 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 23:02:42,711 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 23:02:42,711 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 23:02:42,714 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-28 23:02:42,714 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-28 23:02:42,716 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2021-10-28 23:02:42,731 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 23:02:42,772 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:42,773 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:02:42,773 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:42,774 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:42,779 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2021-10-28 23:02:42,780 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
[2021-10-28 23:02:42,790 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 23:02:42,790 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-28 23:02:42,790 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 23:02:42,791 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 23:02:42,791 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 23:02:42,792 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-28 23:02:42,792 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-28 23:02:42,812 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 23:02:42,838 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:42,839 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:02:42,839 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:42,840 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:42,841 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2021-10-28 23:02:42,842 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
[2021-10-28 23:02:42,852 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 23:02:42,852 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-28 23:02:42,852 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 23:02:42,853 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 23:02:42,853 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 23:02:42,854 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-28 23:02:42,854 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-28 23:02:42,871 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 23:02:42,904 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:42,904 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:02:42,905 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:42,907 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:42,916 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2021-10-28 23:02:42,916 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
[2021-10-28 23:02:42,927 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 23:02:42,927 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-28 23:02:42,927 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 23:02:42,927 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 23:02:42,928 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 23:02:42,928 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-28 23:02:42,928 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-28 23:02:42,950 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 23:02:42,989 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:42,990 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:02:42,990 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:42,991 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:42,999 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
[2021-10-28 23:02:43,009 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 23:02:43,009 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-28 23:02:43,010 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 23:02:43,010 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 23:02:43,010 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 23:02:43,013 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-28 23:02:43,013 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-28 23:02:43,019 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2021-10-28 23:02:43,031 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 23:02:43,063 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:43,063 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:02:43,063 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:43,064 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:43,066 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2021-10-28 23:02:43,066 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
[2021-10-28 23:02:43,074 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 23:02:43,075 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-28 23:02:43,075 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 23:02:43,075 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 23:02:43,075 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 23:02:43,076 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-28 23:02:43,076 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-28 23:02:43,089 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 23:02:43,117 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:43,117 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:02:43,117 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:43,118 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:43,120 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2021-10-28 23:02:43,120 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
[2021-10-28 23:02:43,130 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 23:02:43,130 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 23:02:43,130 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 23:02:43,130 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 23:02:43,134 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-28 23:02:43,134 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-10-28 23:02:43,159 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 23:02:43,193 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:43,193 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:02:43,194 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:43,195 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:43,199 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2021-10-28 23:02:43,200 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
[2021-10-28 23:02:43,208 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 23:02:43,208 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 23:02:43,209 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 23:02:43,209 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 23:02:43,221 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-28 23:02:43,221 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-10-28 23:02:43,236 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 23:02:43,281 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:43,281 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:02:43,281 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:43,282 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:43,287 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process
[2021-10-28 23:02:43,287 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
[2021-10-28 23:02:43,296 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 23:02:43,296 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 23:02:43,296 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 23:02:43,296 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 23:02:43,303 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-28 23:02:43,303 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-10-28 23:02:43,313 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 23:02:43,351 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:43,351 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:02:43,351 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:43,352 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:43,363 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
[2021-10-28 23:02:43,371 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process
[2021-10-28 23:02:43,374 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 23:02:43,375 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 23:02:43,375 INFO  L204   nArgumentSynthesizer]: 2 loop disjuncts
[2021-10-28 23:02:43,375 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 23:02:43,435 INFO  L401   nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications.
[2021-10-28 23:02:43,435 INFO  L402   nArgumentSynthesizer]: A total of 4 supporting invariants were added.
[2021-10-28 23:02:43,494 INFO  L420   nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-10-28 23:02:43,617 INFO  L443   ModelExtractionUtils]: Simplification made 15 calls to the SMT solver.
[2021-10-28 23:02:43,618 INFO  L444   ModelExtractionUtils]: 41 out of 61 variables were initially zero. Simplification set additionally 17 variables to zero.
[2021-10-28 23:02:43,620 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:02:43,620 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:02:43,647 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:02:43,695 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process
[2021-10-28 23:02:43,695 INFO  L435   nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-10-28 23:02:43,722 INFO  L438   nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4.
[2021-10-28 23:02:43,722 INFO  L513          LassoAnalysis]: Proved termination.
[2021-10-28 23:02:43,723 INFO  L515          LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_cbzero_~p~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc6.base)_1) = -1*ULTIMATE.start_cbzero_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc6.base)_1
Supporting invariants []
[2021-10-28 23:02:43,759 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:43,769 INFO  L297   tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed
[2021-10-28 23:02:43,805 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:02:43,824 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:43,826 INFO  L263         TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-10-28 23:02:43,828 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:02:43,859 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:02:43,860 INFO  L263         TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-10-28 23:02:43,860 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:02:43,879 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:02:43,896 INFO  L152   lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 
[2021-10-28 23:02:43,897 INFO  L71    iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand  has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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)
[2021-10-28 23:02:43,949 INFO  L75    iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand  has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 21 states and 25 transitions. Complement of second has 6 states.
[2021-10-28 23:02:43,950 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states 
[2021-10-28 23:02:43,952 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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)
[2021-10-28 23:02:43,953 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions.
[2021-10-28 23:02:43,955 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters.
[2021-10-28 23:02:43,956 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-10-28 23:02:43,956 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters.
[2021-10-28 23:02:43,957 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-10-28 23:02:43,957 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters.
[2021-10-28 23:02:43,957 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-10-28 23:02:43,958 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions.
[2021-10-28 23:02:43,961 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-10-28 23:02:43,964 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions.
[2021-10-28 23:02:43,965 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2021-10-28 23:02:43,965 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2021-10-28 23:02:43,966 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2021-10-28 23:02:43,966 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:02:43,967 INFO  L681         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-28 23:02:43,967 INFO  L704         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-28 23:02:43,967 INFO  L587         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-28 23:02:43,967 INFO  L425         BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 23:02:43,967 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2021-10-28 23:02:43,967 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-10-28 23:02:43,968 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2021-10-28 23:02:43,974 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:02:43 BoogieIcfgContainer
[2021-10-28 23:02:43,974 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 23:02:43,975 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:02:43,975 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:02:43,975 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-28 23:02:43,976 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:02:40" (3/4) ...
[2021-10-28 23:02:43,980 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2021-10-28 23:02:43,980 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:02:43,982 INFO  L168              Benchmark]: Toolchain (without parser) took 4014.30 ms. Allocated memory is still 104.9 MB. Free memory was 68.3 MB in the beginning and 49.3 MB in the end (delta: 19.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:02:43,983 INFO  L168              Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 104.9 MB. Free memory was 85.7 MB in the beginning and 85.6 MB in the end (delta: 63.3 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:02:43,984 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 504.66 ms. Allocated memory is still 104.9 MB. Free memory was 68.1 MB in the beginning and 76.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 23:02:43,984 INFO  L168              Benchmark]: Boogie Procedure Inliner took 45.62 ms. Allocated memory is still 104.9 MB. Free memory was 75.8 MB in the beginning and 74.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:02:43,985 INFO  L168              Benchmark]: Boogie Preprocessor took 24.08 ms. Allocated memory is still 104.9 MB. Free memory was 74.4 MB in the beginning and 73.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:02:43,986 INFO  L168              Benchmark]: RCFGBuilder took 419.21 ms. Allocated memory is still 104.9 MB. Free memory was 73.3 MB in the beginning and 63.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-28 23:02:43,987 INFO  L168              Benchmark]: BuchiAutomizer took 3007.18 ms. Allocated memory is still 104.9 MB. Free memory was 63.6 MB in the beginning and 50.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB.
[2021-10-28 23:02:43,988 INFO  L168              Benchmark]: Witness Printer took 5.07 ms. Allocated memory is still 104.9 MB. Free memory was 50.0 MB in the beginning and 49.3 MB in the end (delta: 684.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:02:43,992 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.36 ms. Allocated memory is still 104.9 MB. Free memory was 85.7 MB in the beginning and 85.6 MB in the end (delta: 63.3 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 504.66 ms. Allocated memory is still 104.9 MB. Free memory was 68.1 MB in the beginning and 76.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 45.62 ms. Allocated memory is still 104.9 MB. Free memory was 75.8 MB in the beginning and 74.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 24.08 ms. Allocated memory is still 104.9 MB. Free memory was 74.4 MB in the beginning and 73.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * RCFGBuilder took 419.21 ms. Allocated memory is still 104.9 MB. Free memory was 73.3 MB in the beginning and 63.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * BuchiAutomizer took 3007.18 ms. Allocated memory is still 104.9 MB. Free memory was 63.6 MB in the beginning and 50.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB.
 * Witness Printer took 5.07 ms. Allocated memory is still 104.9 MB. Free memory was 50.0 MB in the beginning and 49.3 MB in the end (delta: 684.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * 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 unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * p and consists of 4 locations. 
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 2.9s and 2 iterations.  TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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 0 states and ocurred in iteration 1.	Nontrivial modules had stage [1, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 12 SDtfs, 11 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time	LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks:   Lassos: inital121 mio100 ax114 hnf100 lsp82 ukn93 mio100 lsp60 div100 bol100 ite100 ukn100 eq195 hnf89 smp100 dnf136 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 371ms VariablesStem: 11 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 0	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 0.0s	
  - TerminationAnalysisResult: Termination proven
    Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2021-10-28 23:02:44,051 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0
[2021-10-28 23:02:44,265 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06110969-070a-486d-9ee1-72957d802e99/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...