./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i --full-output --architecture 32bit


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


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_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg --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 32bit --witnessprinter.graph.data.programhash d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 09:59:05,573 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-28 09:59:05,576 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 09:59:05,632 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 09:59:05,633 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 09:59:05,637 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 09:59:05,639 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 09:59:05,643 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 09:59:05,646 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 09:59:05,651 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 09:59:05,652 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 09:59:05,654 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 09:59:05,655 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 09:59:05,657 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 09:59:05,660 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 09:59:05,664 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 09:59:05,665 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 09:59:05,666 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 09:59:05,669 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 09:59:05,677 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 09:59:05,679 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 09:59:05,680 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 09:59:05,683 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 09:59:05,684 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 09:59:05,693 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 09:59:05,694 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 09:59:05,694 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 09:59:05,696 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 09:59:05,697 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 09:59:05,699 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 09:59:05,699 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 09:59:05,700 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 09:59:05,702 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 09:59:05,703 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 09:59:05,705 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 09:59:05,705 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 09:59:05,706 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 09:59:05,706 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 09:59:05,707 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 09:59:05,708 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 09:59:05,708 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 09:59:05,709 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 09:59:05,756 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-28 09:59:05,756 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 09:59:05,757 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 09:59:05,757 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 09:59:05,759 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 09:59:05,759 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-28 09:59:05,759 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-28 09:59:05,760 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 09:59:05,760 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2021-10-28 09:59:05,760 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2021-10-28 09:59:05,761 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2021-10-28 09:59:05,761 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2021-10-28 09:59:05,762 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 09:59:05,762 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 09:59:05,762 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-28 09:59:05,762 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 09:59:05,762 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-28 09:59:05,763 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-28 09:59:05,763 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-28 09:59:05,763 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 09:59:05,763 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 09:59:05,764 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 09:59:05,764 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-28 09:59:05,764 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-28 09:59:05,764 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2021-10-28 09:59:05,765 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-28 09:59:05,766 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2021-10-28 09:59:05,766 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 09:59:05,767 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-28 09:59:05,767 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 09:59:05,767 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-28 09:59:05,768 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-28 09:59:05,769 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 09:59:05,769 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_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/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_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg
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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23
[2021-10-28 09:59:06,033 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 09:59:06,053 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 09:59:06,056 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 09:59:06,057 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-28 09:59:06,058 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-28 09:59:06,059 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i
[2021-10-28 09:59:06,140 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/data/ee3d48bf0/def6cdbf5fbf459983a0666ce860ef60/FLAGb974f0c76
[2021-10-28 09:59:06,610 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-28 09:59:06,615 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i
[2021-10-28 09:59:06,640 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/data/ee3d48bf0/def6cdbf5fbf459983a0666ce860ef60/FLAGb974f0c76
[2021-10-28 09:59:06,951 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/data/ee3d48bf0/def6cdbf5fbf459983a0666ce860ef60
[2021-10-28 09:59:06,955 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 09:59:06,957 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 09:59:06,961 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 09:59:06,961 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 09:59:06,964 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 09:59:06,965 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:59:06" (1/1) ...
[2021-10-28 09:59:06,967 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3c018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:06, skipping insertion in model container
[2021-10-28 09:59:06,967 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:59:06" (1/1) ...
[2021-10-28 09:59:06,974 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-28 09:59:07,028 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-28 09:59:07,353 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 09:59:07,360 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-28 09:59:07,392 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 09:59:07,419 INFO  L208         MainTranslator]: Completed translation
[2021-10-28 09:59:07,420 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:07 WrapperNode
[2021-10-28 09:59:07,420 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 09:59:07,421 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 09:59:07,421 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 09:59:07,421 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 09:59:07,428 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:07" (1/1) ...
[2021-10-28 09:59:07,440 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:07" (1/1) ...
[2021-10-28 09:59:07,458 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 09:59:07,459 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 09:59:07,459 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 09:59:07,459 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 09:59:07,467 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:07" (1/1) ...
[2021-10-28 09:59:07,467 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:07" (1/1) ...
[2021-10-28 09:59:07,469 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:07" (1/1) ...
[2021-10-28 09:59:07,470 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:07" (1/1) ...
[2021-10-28 09:59:07,473 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:07" (1/1) ...
[2021-10-28 09:59:07,477 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:07" (1/1) ...
[2021-10-28 09:59:07,478 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:07" (1/1) ...
[2021-10-28 09:59:07,480 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 09:59:07,481 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 09:59:07,481 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 09:59:07,481 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-28 09:59:07,482 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:07" (1/1) ...
[2021-10-28 09:59:07,489 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:59:07,500 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 09:59:07,515 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 09:59:07,541 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 09:59:07,559 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-28 09:59:07,559 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 09:59:07,560 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-28 09:59:07,560 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 09:59:07,560 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 09:59:07,739 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 09:59:07,739 INFO  L299             CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-28 09:59:07,741 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:59:07 BoogieIcfgContainer
[2021-10-28 09:59:07,741 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 09:59:07,742 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 09:59:07,742 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 09:59:07,746 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2021-10-28 09:59:07,746 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 09:59:07,747 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:59:06" (1/3) ...
[2021-10-28 09:59:07,748 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a2fc6c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:59:07, skipping insertion in model container
[2021-10-28 09:59:07,748 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 09:59:07,748 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:07" (2/3) ...
[2021-10-28 09:59:07,749 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a2fc6c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:59:07, skipping insertion in model container
[2021-10-28 09:59:07,749 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 09:59:07,749 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:59:07" (3/3) ...
[2021-10-28 09:59:07,750 INFO  L389   chiAutomizerObserver]: Analyzing ICFG openbsd_cbzero-alloca-2.i
[2021-10-28 09:59:07,791 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2021-10-28 09:59:07,791 INFO  L360         BuchiCegarLoop]: Hoare is false
[2021-10-28 09:59:07,791 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 09:59:07,791 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 09:59:07,791 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 09:59:07,791 INFO  L364         BuchiCegarLoop]: Difference is false
[2021-10-28 09:59:07,792 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 09:59:07,792 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 09:59:07,804 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 09:59:07,821 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-10-28 09:59:07,821 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 09:59:07,821 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-28 09:59:07,827 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1]
[2021-10-28 09:59:07,827 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-10-28 09:59:07,827 INFO  L425         BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 09:59:07,828 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 09:59:07,829 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-10-28 09:59:07,830 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 09:59:07,830 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-28 09:59:07,830 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1]
[2021-10-28 09:59:07,830 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-10-28 09:59:07,837 INFO  L791   eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~nondet5, main_#t~malloc6.base, main_#t~malloc6.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~n~0 := main_#t~nondet5;havoc main_#t~nondet5; 12#L522true assume !(main_~length~0 < 1); 7#L522-2true assume !(main_~n~0 < 1); 5#L525-1true assume !(main_~n~0 > main_~length~0);call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;cbzero_#in~b.base, cbzero_#in~b.offset, cbzero_#in~length := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~n~0;havoc cbzero_#t~post3.base, cbzero_#t~post3.offset, cbzero_#t~post2, cbzero_~b.base, cbzero_~b.offset, cbzero_~length, cbzero_~p~0.base, cbzero_~p~0.offset;cbzero_~b.base, cbzero_~b.offset := cbzero_#in~b.base, cbzero_#in~b.offset;cbzero_~length := cbzero_#in~length;havoc cbzero_~p~0.base, cbzero_~p~0.offset;cbzero_~p~0.base, cbzero_~p~0.offset := cbzero_~b.base, cbzero_~b.offset; 8#L516-3true 
[2021-10-28 09:59:07,837 INFO  L793   eck$LassoCheckResult]: Loop: 8#L516-3true cbzero_#t~post2 := cbzero_~length;cbzero_~length := cbzero_#t~post2 - 1; 3#L516-1true 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; 8#L516-3true 
[2021-10-28 09:59:07,842 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 09:59:07,861 INFO  L85        PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times
[2021-10-28 09:59:07,870 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 09:59:07,871 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080491427]
[2021-10-28 09:59:07,871 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 09:59:07,872 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 09:59:08,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:59:08,016 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 09:59:08,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:59:08,078 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 09:59:08,090 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 09:59:08,093 INFO  L85        PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times
[2021-10-28 09:59:08,093 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 09:59:08,093 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269945801]
[2021-10-28 09:59:08,094 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 09:59:08,094 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 09:59:08,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:59:08,106 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 09:59:08,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:59:08,133 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 09:59:08,137 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 09:59:08,141 INFO  L85        PathProgramCache]: Analyzing trace with hash 1806939567, now seen corresponding path program 1 times
[2021-10-28 09:59:08,141 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 09:59:08,142 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457357729]
[2021-10-28 09:59:08,142 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 09:59:08,142 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 09:59:08,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:59:08,172 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 09:59:08,191 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 09:59:08,200 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 09:59:08,775 INFO  L210          LassoAnalysis]: Preferences:
[2021-10-28 09:59:08,790 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2021-10-28 09:59:08,790 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-10-28 09:59:08,790 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2021-10-28 09:59:08,790 INFO  L129   ssoRankerPreferences]: Use exernal solver: false
[2021-10-28 09:59:08,791 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:59:08,791 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2021-10-28 09:59:08,791 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2021-10-28 09:59:08,791 INFO  L133   ssoRankerPreferences]: Filename of dumped script: openbsd_cbzero-alloca-2.i_Iteration1_Lasso
[2021-10-28 09:59:08,791 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2021-10-28 09:59:08,792 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2021-10-28 09:59:08,817 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 09:59:08,823 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 09:59:08,825 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 09:59:08,828 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 09:59:08,830 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 09:59:08,833 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 09:59:09,028 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 09:59:09,038 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 09:59:09,041 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 09:59:09,044 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 09:59:09,047 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 09:59:09,050 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 09:59:09,432 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2021-10-28 09:59:09,438 INFO  L490          LassoAnalysis]: Using template 'affine'.
[2021-10-28 09:59:09,440 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:59:09,440 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 09:59:09,446 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 09:59:09,450 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 09:59:09,462 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 09:59:09,462 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-28 09:59:09,462 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 09:59:09,463 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 09:59:09,463 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 09:59:09,465 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-28 09:59:09,465 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-28 09:59:09,467 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2021-10-28 09:59:09,468 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 09:59:09,498 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2021-10-28 09:59:09,499 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:59:09,499 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 09:59:09,500 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 09:59:09,501 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2021-10-28 09:59:09,502 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 09:59:09,510 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 09:59:09,510 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-28 09:59:09,511 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 09:59:09,511 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 09:59:09,511 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 09:59:09,515 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-28 09:59:09,515 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-28 09:59:09,527 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 09:59:09,563 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2021-10-28 09:59:09,564 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:59:09,564 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 09:59:09,566 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 09:59:09,567 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2021-10-28 09:59:09,571 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 09:59:09,578 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 09:59:09,578 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-28 09:59:09,578 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 09:59:09,578 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 09:59:09,579 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 09:59:09,585 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-28 09:59:09,585 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-28 09:59:09,605 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 09:59:09,639 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2021-10-28 09:59:09,640 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:59:09,640 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 09:59:09,642 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 09:59:09,646 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2021-10-28 09:59:09,649 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 09:59:09,656 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 09:59:09,656 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-28 09:59:09,657 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 09:59:09,657 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 09:59:09,657 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 09:59:09,657 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-28 09:59:09,658 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-28 09:59:09,659 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 09:59:09,680 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0
[2021-10-28 09:59:09,681 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:59:09,681 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 09:59:09,682 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 09:59:09,683 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 09:59:09,685 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2021-10-28 09:59:09,691 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 09:59:09,691 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-28 09:59:09,691 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 09:59:09,691 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 09:59:09,691 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 09:59:09,699 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-28 09:59:09,699 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-28 09:59:09,712 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 09:59:09,736 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0
[2021-10-28 09:59:09,737 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:59:09,737 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 09:59:09,739 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 09:59:09,744 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2021-10-28 09:59:09,745 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 09:59:09,752 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 09:59:09,752 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-28 09:59:09,752 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 09:59:09,753 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 09:59:09,753 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 09:59:09,753 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-28 09:59:09,753 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-28 09:59:09,781 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 09:59:09,815 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2021-10-28 09:59:09,815 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:59:09,815 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 09:59:09,816 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 09:59:09,818 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2021-10-28 09:59:09,818 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 09:59:09,826 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 09:59:09,826 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 09:59:09,826 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 09:59:09,826 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 09:59:09,829 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-28 09:59:09,829 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-10-28 09:59:09,855 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 09:59:09,888 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2021-10-28 09:59:09,888 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:59:09,889 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 09:59:09,890 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 09:59:09,902 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 09:59:09,911 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 09:59:09,911 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 09:59:09,912 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 09:59:09,912 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 09:59:09,919 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-28 09:59:09,920 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-10-28 09:59:09,929 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2021-10-28 09:59:09,937 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 09:59:09,973 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0
[2021-10-28 09:59:09,974 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:59:09,974 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 09:59:09,975 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 09:59:09,981 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 09:59:09,990 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 09:59:09,990 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 09:59:09,990 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-28 09:59:09,991 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 09:59:09,996 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-28 09:59:09,996 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-10-28 09:59:10,002 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process
[2021-10-28 09:59:10,021 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-10-28 09:59:10,054 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0
[2021-10-28 09:59:10,054 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:59:10,055 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 09:59:10,056 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 09:59:10,060 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process
[2021-10-28 09:59:10,060 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 09:59:10,068 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-28 09:59:10,069 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-28 09:59:10,069 INFO  L204   nArgumentSynthesizer]: 2 loop disjuncts
[2021-10-28 09:59:10,069 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-28 09:59:10,126 INFO  L401   nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications.
[2021-10-28 09:59:10,127 INFO  L402   nArgumentSynthesizer]: A total of 4 supporting invariants were added.
[2021-10-28 09:59:10,180 INFO  L420   nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-10-28 09:59:10,315 INFO  L443   ModelExtractionUtils]: Simplification made 15 calls to the SMT solver.
[2021-10-28 09:59:10,315 INFO  L444   ModelExtractionUtils]: 41 out of 61 variables were initially zero. Simplification set additionally 17 variables to zero.
[2021-10-28 09:59:10,317 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 09:59:10,317 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 09:59:10,318 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 09:59:10,326 INFO  L435   nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-10-28 09:59:10,335 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process
[2021-10-28 09:59:10,356 INFO  L438   nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4.
[2021-10-28 09:59:10,356 INFO  L513          LassoAnalysis]: Proved termination.
[2021-10-28 09:59:10,357 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 09:59:10,393 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0
[2021-10-28 09:59:10,404 INFO  L297   tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed
[2021-10-28 09:59:10,439 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 09:59:10,464 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 09:59:10,468 INFO  L263         TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-10-28 09:59:10,470 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 09:59:10,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 09:59:10,535 INFO  L263         TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-10-28 09:59:10,536 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 09:59:10,562 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 09:59:10,576 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 09:59:10,586 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 09:59:10,634 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 09:59:10,635 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 09:59:10,636 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 09:59:10,637 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions.
[2021-10-28 09:59:10,638 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters.
[2021-10-28 09:59:10,639 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-10-28 09:59:10,639 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters.
[2021-10-28 09:59:10,640 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-10-28 09:59:10,640 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters.
[2021-10-28 09:59:10,640 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-10-28 09:59:10,641 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions.
[2021-10-28 09:59:10,643 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-10-28 09:59:10,645 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions.
[2021-10-28 09:59:10,646 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2021-10-28 09:59:10,647 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2021-10-28 09:59:10,647 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2021-10-28 09:59:10,647 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 09:59:10,648 INFO  L681         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-28 09:59:10,648 INFO  L704         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-28 09:59:10,648 INFO  L587         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-28 09:59:10,648 INFO  L425         BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 09:59:10,648 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2021-10-28 09:59:10,648 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-10-28 09:59:10,649 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2021-10-28 09:59:10,654 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:59:10 BoogieIcfgContainer
[2021-10-28 09:59:10,655 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 09:59:10,655 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 09:59:10,655 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-28 09:59:10,656 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-28 09:59:10,656 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:59:07" (3/4) ...
[2021-10-28 09:59:10,659 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2021-10-28 09:59:10,660 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 09:59:10,661 INFO  L168              Benchmark]: Toolchain (without parser) took 3703.41 ms. Allocated memory was 98.6 MB in the beginning and 138.4 MB in the end (delta: 39.8 MB). Free memory was 64.9 MB in the beginning and 58.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 42.5 MB. Max. memory is 16.1 GB.
[2021-10-28 09:59:10,662 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 98.6 MB. Free memory is still 53.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 09:59:10,663 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 459.40 ms. Allocated memory is still 98.6 MB. Free memory was 64.7 MB in the beginning and 69.2 MB in the end (delta: -4.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 09:59:10,663 INFO  L168              Benchmark]: Boogie Procedure Inliner took 37.41 ms. Allocated memory is still 98.6 MB. Free memory was 69.2 MB in the beginning and 67.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 09:59:10,664 INFO  L168              Benchmark]: Boogie Preprocessor took 20.99 ms. Allocated memory is still 98.6 MB. Free memory was 67.7 MB in the beginning and 66.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 09:59:10,665 INFO  L168              Benchmark]: RCFGBuilder took 260.93 ms. Allocated memory is still 98.6 MB. Free memory was 66.5 MB in the beginning and 57.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 09:59:10,666 INFO  L168              Benchmark]: BuchiAutomizer took 2912.52 ms. Allocated memory was 98.6 MB in the beginning and 138.4 MB in the end (delta: 39.8 MB). Free memory was 57.2 MB in the beginning and 58.2 MB in the end (delta: -1.0 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB.
[2021-10-28 09:59:10,666 INFO  L168              Benchmark]: Witness Printer took 4.43 ms. Allocated memory is still 138.4 MB. Free memory is still 58.2 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 09:59:10,669 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 98.6 MB. Free memory is still 53.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 459.40 ms. Allocated memory is still 98.6 MB. Free memory was 64.7 MB in the beginning and 69.2 MB in the end (delta: -4.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 37.41 ms. Allocated memory is still 98.6 MB. Free memory was 69.2 MB in the beginning and 67.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 20.99 ms. Allocated memory is still 98.6 MB. Free memory was 67.7 MB in the beginning and 66.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 260.93 ms. Allocated memory is still 98.6 MB. Free memory was 66.5 MB in the beginning and 57.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * BuchiAutomizer took 2912.52 ms. Allocated memory was 98.6 MB in the beginning and 138.4 MB in the end (delta: 39.8 MB). Free memory was 57.2 MB in the beginning and 58.2 MB in the end (delta: -1.0 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB.
 * Witness Printer took 4.43 ms. Allocated memory is still 138.4 MB. Free memory is still 58.2 MB. There was no memory consumed. 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 2.8s and 2 iterations.  TraceHistogramMax:1. Analysis of lassos took 2.5s. 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 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: 302ms 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 09:59:10,709 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0
[2021-10-28 09:59:10,925 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2a9b4d-3cb3-49af-9fca-dd886e4fcff3/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...