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


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


Checking for termination
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC --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 847cffc9d6215c496aa28b39684013a0c5d7b1c3
............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:25:56,056 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:25:56,058 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:25:56,088 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:25:56,089 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:25:56,090 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:25:56,092 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:25:56,095 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:25:56,097 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:25:56,098 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:25:56,100 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:25:56,101 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:25:56,102 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:25:56,103 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:25:56,105 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:25:56,106 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:25:56,108 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:25:56,109 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:25:56,111 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:25:56,114 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:25:56,116 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:25:56,117 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:25:56,119 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:25:56,120 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:25:56,124 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:25:56,124 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:25:56,125 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:25:56,126 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:25:56,127 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:25:56,128 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:25:56,128 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:25:56,129 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:25:56,131 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:25:56,132 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:25:56,133 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:25:56,133 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:25:56,134 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:25:56,134 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:25:56,135 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:25:56,136 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:25:56,136 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:25:56,142 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf
[2021-10-11 00:25:56,184 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-11 00:25:56,184 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:25:56,186 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:25:56,192 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-11 00:25:56,193 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-11 00:25:56,193 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-11 00:25:56,193 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2021-10-11 00:25:56,193 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2021-10-11 00:25:56,194 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2021-10-11 00:25:56,194 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2021-10-11 00:25:56,195 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-11 00:25:56,195 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:25:56,196 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-11 00:25:56,196 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-11 00:25:56,196 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-11 00:25:56,196 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2021-10-11 00:25:56,196 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-11 00:25:56,197 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2021-10-11 00:25:56,197 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-11 00:25:56,197 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2021-10-11 00:25:56,197 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-11 00:25:56,198 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2021-10-11 00:25:56,198 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:25:56,198 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-11 00:25:56,198 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:25:56,199 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-11 00:25:56,199 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-11 00:25:56,200 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-11 00:25:56,200 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_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/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_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC
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 -> 847cffc9d6215c496aa28b39684013a0c5d7b1c3
[2021-10-11 00:25:56,514 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:25:56,536 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:25:56,539 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:25:56,540 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-11 00:25:56,542 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-11 00:25:56,544 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i
[2021-10-11 00:25:56,642 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/data/3ac8feaa1/1d4f2460870a4df98fc3ebca3411cc61/FLAGb7524ea39
[2021-10-11 00:25:57,188 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-11 00:25:57,189 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i
[2021-10-11 00:25:57,217 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/data/3ac8feaa1/1d4f2460870a4df98fc3ebca3411cc61/FLAGb7524ea39
[2021-10-11 00:25:57,485 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/data/3ac8feaa1/1d4f2460870a4df98fc3ebca3411cc61
[2021-10-11 00:25:57,488 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:25:57,490 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:25:57,494 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:25:57,495 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:25:57,498 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:25:57,500 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:57" (1/1) ...
[2021-10-11 00:25:57,502 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d3ef18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:57, skipping insertion in model container
[2021-10-11 00:25:57,503 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:57" (1/1) ...
[2021-10-11 00:25:57,512 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-11 00:25:57,580 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:25:57,913 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:25:57,930 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-11 00:25:58,005 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:25:58,061 INFO  L208         MainTranslator]: Completed translation
[2021-10-11 00:25:58,062 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:58 WrapperNode
[2021-10-11 00:25:58,063 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:25:58,064 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:25:58,064 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:25:58,065 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:25:58,073 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:58" (1/1) ...
[2021-10-11 00:25:58,099 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:58" (1/1) ...
[2021-10-11 00:25:58,119 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:25:58,120 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:25:58,121 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:25:58,121 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:25:58,130 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:58" (1/1) ...
[2021-10-11 00:25:58,130 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:58" (1/1) ...
[2021-10-11 00:25:58,133 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:58" (1/1) ...
[2021-10-11 00:25:58,134 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:58" (1/1) ...
[2021-10-11 00:25:58,140 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:58" (1/1) ...
[2021-10-11 00:25:58,144 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:58" (1/1) ...
[2021-10-11 00:25:58,145 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:58" (1/1) ...
[2021-10-11 00:25:58,148 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:25:58,149 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:25:58,149 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:25:58,149 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:25:58,159 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:58" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:25:58,259 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-10-11 00:25:58,259 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-11 00:25:58,260 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:25:58,260 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-11 00:25:58,261 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:25:58,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:25:58,498 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:25:58,498 INFO  L299             CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-11 00:25:58,500 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:58 BoogieIcfgContainer
[2021-10-11 00:25:58,500 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:25:58,502 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-11 00:25:58,502 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2021-10-11 00:25:58,506 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2021-10-11 00:25:58,507 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-11 00:25:58,507 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:25:57" (1/3) ...
[2021-10-11 00:25:58,509 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5df6442f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:25:58, skipping insertion in model container
[2021-10-11 00:25:58,509 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-11 00:25:58,509 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:58" (2/3) ...
[2021-10-11 00:25:58,510 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5df6442f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:25:58, skipping insertion in model container
[2021-10-11 00:25:58,510 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-11 00:25:58,510 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:58" (3/3) ...
[2021-10-11 00:25:58,512 INFO  L389   chiAutomizerObserver]: Analyzing ICFG cstrlen-alloca-1.i
[2021-10-11 00:25:58,562 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2021-10-11 00:25:58,563 INFO  L360         BuchiCegarLoop]: Hoare is false
[2021-10-11 00:25:58,563 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-11 00:25:58,563 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:25:58,563 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:25:58,563 INFO  L364         BuchiCegarLoop]: Difference is false
[2021-10-11 00:25:58,564 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:25:58,564 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-11 00:25:58,578 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states.
[2021-10-11 00:25:58,599 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-10-11 00:25:58,600 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-11 00:25:58,600 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-11 00:25:58,607 INFO  L853         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1]
[2021-10-11 00:25:58,623 INFO  L854         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-10-11 00:25:58,624 INFO  L427         BuchiCegarLoop]: ======== Iteration 1============
[2021-10-11 00:25:58,624 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states.
[2021-10-11 00:25:58,625 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-10-11 00:25:58,626 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-11 00:25:58,626 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-11 00:25:58,626 INFO  L853         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1]
[2021-10-11 00:25:58,627 INFO  L854         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-10-11 00:25:58,634 INFO  L794   eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~ret6, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet4;havoc main_#t~nondet4; 8#L556true assume !(main_~length1~0 < 1); 13#L556-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrlen_#in~s.base, cstrlen_#in~s.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrlen_#res;havoc cstrlen_#t~post3.base, cstrlen_#t~post3.offset, cstrlen_#t~mem2, cstrlen_~s.base, cstrlen_~s.offset, cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~s.base, cstrlen_~s.offset := cstrlen_#in~s.base, cstrlen_#in~s.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_~s.base, cstrlen_~s.offset; 5#L550-3true 
[2021-10-11 00:25:58,635 INFO  L796   eck$LassoCheckResult]: Loop: 5#L550-3true call cstrlen_#t~mem2 := read~int(cstrlen_~p~0.base, cstrlen_~p~0.offset, 1); 12#L550-1true assume !!(0 != cstrlen_#t~mem2);havoc cstrlen_#t~mem2;cstrlen_#t~post3.base, cstrlen_#t~post3.offset := cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_#t~post3.base, 1 + cstrlen_#t~post3.offset;havoc cstrlen_#t~post3.base, cstrlen_#t~post3.offset; 5#L550-3true 
[2021-10-11 00:25:58,642 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:58,659 INFO  L82        PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times
[2021-10-11 00:25:58,670 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:58,670 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998486882]
[2021-10-11 00:25:58,671 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:58,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:25:58,792 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:25:58,815 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:25:58,816 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:25:58,838 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-11 00:25:58,840 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:58,840 INFO  L82        PathProgramCache]: Analyzing trace with hash 1414, now seen corresponding path program 1 times
[2021-10-11 00:25:58,840 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:58,841 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920586826]
[2021-10-11 00:25:58,841 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:58,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:25:58,853 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:25:58,862 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:25:58,863 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:25:58,866 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-11 00:25:58,868 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:58,869 INFO  L82        PathProgramCache]: Analyzing trace with hash 889568362, now seen corresponding path program 1 times
[2021-10-11 00:25:58,869 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:58,869 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410307]
[2021-10-11 00:25:58,870 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:58,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:25:58,904 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:25:58,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:25:58,931 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:25:58,945 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-11 00:25:59,299 WARN  L197               SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55
[2021-10-11 00:25:59,412 INFO  L210          LassoAnalysis]: Preferences:
[2021-10-11 00:25:59,413 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2021-10-11 00:25:59,413 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-10-11 00:25:59,413 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2021-10-11 00:25:59,414 INFO  L129   ssoRankerPreferences]: Use exernal solver: false
[2021-10-11 00:25:59,414 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:25:59,414 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2021-10-11 00:25:59,414 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2021-10-11 00:25:59,416 INFO  L133   ssoRankerPreferences]: Filename of dumped script: cstrlen-alloca-1.i_Iteration1_Lasso
[2021-10-11 00:25:59,417 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2021-10-11 00:25:59,417 INFO  L274          LassoAnalysis]: Starting lasso preprocessing...
[2021-10-11 00:25:59,454 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-11 00:25:59,462 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-11 00:25:59,466 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-11 00:25:59,473 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-11 00:25:59,478 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-11 00:25:59,484 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-11 00:25:59,490 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-11 00:25:59,495 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-11 00:25:59,500 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-11 00:25:59,506 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-11 00:25:59,512 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-11 00:25:59,517 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-11 00:25:59,714 WARN  L197               SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39
[2021-10-11 00:25:59,798 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-11 00:26:00,269 INFO  L292          LassoAnalysis]: Preprocessing complete.
[2021-10-11 00:26:00,274 INFO  L489          LassoAnalysis]: Using template 'affine'.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-11 00:26:00,293 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:00,297 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:00,297 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-11 00:26:00,298 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:00,298 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:00,298 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:00,301 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-11 00:26:00,301 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:00,313 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-11 00:26:00,360 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:00,362 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:00,362 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-11 00:26:00,362 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:00,363 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:00,363 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:00,364 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-11 00:26:00,364 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:00,387 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-11 00:26:00,427 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:00,429 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:00,429 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-11 00:26:00,429 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:00,430 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:00,430 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:00,432 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-11 00:26:00,432 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-11 00:26:00,447 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:00,480 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:00,482 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:00,482 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:00,482 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:00,483 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:00,488 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-11 00:26:00,488 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-10-11 00:26:00,507 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-11 00:26:00,565 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:00,567 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:00,567 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:00,568 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:00,568 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:00,572 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-11 00:26:00,573 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:00,583 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:00,614 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:00,615 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:00,616 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-11 00:26:00,616 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:00,616 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:00,616 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:00,617 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-11 00:26:00,617 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-11 00:26:00,631 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:00,653 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:00,655 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:00,655 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-11 00:26:00,656 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:00,656 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:00,656 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:00,657 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-11 00:26:00,657 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-11 00:26:00,659 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:00,682 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:00,684 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:00,684 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:00,684 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:00,684 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:00,692 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-11 00:26:00,692 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-10-11 00:26:00,704 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:00,732 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:00,735 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:00,735 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:00,736 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:00,736 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:00,743 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-11 00:26:00,747 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-10-11 00:26:00,764 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-11 00:26:00,820 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:00,822 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:00,822 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-11 00:26:00,822 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:00,823 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:00,823 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:00,825 INFO  L401   nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-10-11 00:26:00,825 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:00,848 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-11 00:26:00,892 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:00,895 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:00,896 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:00,896 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:00,896 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:00,900 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-11 00:26:00,901 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:00,905 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:00,961 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:00,964 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:00,964 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:00,964 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:00,964 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:00,976 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-11 00:26:00,977 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-10-11 00:26:00,996 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:01,021 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:01,022 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:01,023 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:01,023 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:01,023 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:01,025 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-11 00:26:01,025 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-10-11 00:26:01,042 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-11 00:26:01,084 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:01,085 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:01,086 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:01,086 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:01,086 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:01,090 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-11 00:26:01,090 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-10-11 00:26:01,107 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-11 00:26:01,161 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:01,164 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:01,165 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:01,165 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:01,165 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:01,175 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-11 00:26:01,176 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:01,192 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:01,234 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:01,236 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:01,236 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-11 00:26:01,237 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:01,237 INFO  L204   nArgumentSynthesizer]: 2 loop disjuncts
[2021-10-11 00:26:01,237 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:01,238 INFO  L401   nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications.
[2021-10-11 00:26:01,238 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-11 00:26:01,256 INFO  L522          LassoAnalysis]: Proving termination failed for this template and these settings.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-11 00:26:01,308 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings:
Termination analysis: LINEAR_WITH_GUESSES
Number of strict supporting invariants: 0
Number of non-strict supporting invariants: 1
Consider only non-deceasing supporting invariants: true
Simplify termination arguments: true
Simplify supporting invariants: trueOverapproximate stem: false
[2021-10-11 00:26:01,311 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-11 00:26:01,312 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-11 00:26:01,312 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-10-11 00:26:01,312 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-11 00:26:01,324 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-11 00:26:01,324 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:01,343 INFO  L420   nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-10-11 00:26:01,388 INFO  L443   ModelExtractionUtils]: Simplification made 10 calls to the SMT solver.
[2021-10-11 00:26:01,389 INFO  L444   ModelExtractionUtils]: 17 out of 28 variables were initially zero. Simplification set additionally 8 variables to zero.
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c05089f-ff20-4a0c-9f40-fe1f328b3017/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-11 00:26:01,397 INFO  L435   nArgumentSynthesizer]: Simplifying supporting invariants...
Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-11 00:26:01,413 INFO  L438   nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2.
[2021-10-11 00:26:01,414 INFO  L510          LassoAnalysis]: Proved termination.
[2021-10-11 00:26:01,414 INFO  L512          LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_cstrlen_~p~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc5.base)_1) = -1*ULTIMATE.start_cstrlen_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc5.base)_1
Supporting invariants []
[2021-10-11 00:26:01,522 INFO  L297   tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed
[2021-10-11 00:26:01,631 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:26:01,666 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:26:01,698 INFO  L263         TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-10-11 00:26:01,700 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:26:01,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:26:01,750 WARN  L261         TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-10-11 00:26:01,751 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:26:01,803 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:26:01,820 INFO  L152   lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 
[2021-10-11 00:26:01,821 INFO  L71    iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states.
[2021-10-11 00:26:01,919 INFO  L75    iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 20 states and 23 transitions. Complement of second has 6 states.
[2021-10-11 00:26:01,921 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 
[2021-10-11 00:26:01,922 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-10-11 00:26:01,930 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions.
[2021-10-11 00:26:01,932 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 2 letters.
[2021-10-11 00:26:01,933 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-10-11 00:26:01,934 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 6 letters. Loop has 2 letters.
[2021-10-11 00:26:01,934 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-10-11 00:26:01,935 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 4 letters.
[2021-10-11 00:26:01,935 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-10-11 00:26:01,936 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions.
[2021-10-11 00:26:01,938 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-10-11 00:26:01,942 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions.
[2021-10-11 00:26:01,943 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2021-10-11 00:26:01,943 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2021-10-11 00:26:01,944 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2021-10-11 00:26:01,944 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-11 00:26:01,945 INFO  L692         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:26:01,945 INFO  L715         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:26:01,945 INFO  L595         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:26:01,945 INFO  L427         BuchiCegarLoop]: ======== Iteration 2============
[2021-10-11 00:26:01,945 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2021-10-11 00:26:01,945 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-10-11 00:26:01,945 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2021-10-11 00:26:01,951 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:26:01 BoogieIcfgContainer
[2021-10-11 00:26:01,952 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-11 00:26:01,953 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:26:01,953 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:26:01,953 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-11 00:26:01,954 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:58" (3/4) ...
[2021-10-11 00:26:01,957 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2021-10-11 00:26:01,958 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:26:01,960 INFO  L168              Benchmark]: Toolchain (without parser) took 4468.00 ms. Allocated memory was 140.5 MB in the beginning and 169.9 MB in the end (delta: 29.4 MB). Free memory was 101.2 MB in the beginning and 129.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 917.7 kB. Max. memory is 16.1 GB.
[2021-10-11 00:26:01,960 INFO  L168              Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 140.5 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:26:01,962 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 568.85 ms. Allocated memory is still 140.5 MB. Free memory was 101.1 MB in the beginning and 104.4 MB in the end (delta: -3.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:26:01,964 INFO  L168              Benchmark]: Boogie Procedure Inliner took 55.46 ms. Allocated memory is still 140.5 MB. Free memory was 104.4 MB in the beginning and 102.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:26:01,972 INFO  L168              Benchmark]: Boogie Preprocessor took 27.73 ms. Allocated memory is still 140.5 MB. Free memory was 102.7 MB in the beginning and 101.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:26:01,973 INFO  L168              Benchmark]: RCFGBuilder took 351.92 ms. Allocated memory is still 140.5 MB. Free memory was 101.1 MB in the beginning and 88.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:26:01,973 INFO  L168              Benchmark]: BuchiAutomizer took 3450.04 ms. Allocated memory was 140.5 MB in the beginning and 169.9 MB in the end (delta: 29.4 MB). Free memory was 87.6 MB in the beginning and 129.1 MB in the end (delta: -41.5 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:26:01,974 INFO  L168              Benchmark]: Witness Printer took 5.04 ms. Allocated memory is still 169.9 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:26:01,983 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29 ms. Allocated memory is still 140.5 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 568.85 ms. Allocated memory is still 140.5 MB. Free memory was 101.1 MB in the beginning and 104.4 MB in the end (delta: -3.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 55.46 ms. Allocated memory is still 140.5 MB. Free memory was 104.4 MB in the beginning and 102.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 27.73 ms. Allocated memory is still 140.5 MB. Free memory was 102.7 MB in the beginning and 101.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 351.92 ms. Allocated memory is still 140.5 MB. Free memory was 101.1 MB in the beginning and 88.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
 * BuchiAutomizer took 3450.04 ms. Allocated memory was 140.5 MB in the beginning and 169.9 MB in the end (delta: 29.4 MB). Free memory was 87.6 MB in the beginning and 129.1 MB in the end (delta: -41.5 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Witness Printer took 5.04 ms. Allocated memory is still 169.9 MB. Free memory is still 129.1 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 -1 * p + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 4 locations. 
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 3.4s and 2 iterations.  TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 6 SDtfs, 9 SDslu, 1 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time	LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks:   Lassos: inital112 mio100 ax116 hnf100 lsp81 ukn91 mio100 lsp46 div100 bol100 ite100 ukn100 eq193 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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!
Received shutdown request...