./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y --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 8688e0efa9d37c2205606fbd307da42d83b0f0e2936dd15336b8b67e136d86b0
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:11:46,929 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:11:46,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:11:46,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:11:46,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:11:46,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:11:46,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:11:46,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:11:46,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:11:46,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:11:46,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:11:46,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:11:46,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:11:46,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:11:46,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:11:46,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:11:46,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:11:46,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:11:46,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:11:47,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:11:47,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:11:47,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:11:47,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:11:47,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:11:47,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:11:47,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:11:47,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:11:47,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:11:47,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:11:47,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:11:47,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:11:47,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:11:47,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:11:47,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:11:47,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:11:47,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:11:47,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:11:47,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:11:47,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:11:47,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:11:47,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:11:47,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-11-13 18:11:47,084 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:11:47,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:11:47,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:11:47,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:11:47,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:11:47,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:11:47,099 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:11:47,099 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-11-13 18:11:47,099 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-11-13 18:11:47,100 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-11-13 18:11:47,101 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-11-13 18:11:47,101 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-11-13 18:11:47,102 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-11-13 18:11:47,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:11:47,102 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:11:47,102 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:11:47,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:11:47,103 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:11:47,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:11:47,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-11-13 18:11:47,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-11-13 18:11:47,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-11-13 18:11:47,104 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:11:47,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:11:47,105 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-11-13 18:11:47,105 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:11:47,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-11-13 18:11:47,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:11:47,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:11:47,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:11:47,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:11:47,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:11:47,109 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-11-13 18:11:47,109 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_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8688e0efa9d37c2205606fbd307da42d83b0f0e2936dd15336b8b67e136d86b0
[2021-11-13 18:11:47,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:11:47,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:11:47,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:11:47,493 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:11:47,495 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:11:47,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i
[2021-11-13 18:11:47,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/data/ce7282df9/0bd056665e51459f9c8d3ee02f1e6f77/FLAG811cfd607
[2021-11-13 18:11:48,151 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:11:48,152 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i
[2021-11-13 18:11:48,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/data/ce7282df9/0bd056665e51459f9c8d3ee02f1e6f77/FLAG811cfd607
[2021-11-13 18:11:48,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/data/ce7282df9/0bd056665e51459f9c8d3ee02f1e6f77
[2021-11-13 18:11:48,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:11:48,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:11:48,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:11:48,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:11:48,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:11:48,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:11:48" (1/1) ...
[2021-11-13 18:11:48,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf428d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:48, skipping insertion in model container
[2021-11-13 18:11:48,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:11:48" (1/1) ...
[2021-11-13 18:11:48,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:11:48,531 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:11:48,995 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:11:49,010 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:11:49,086 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:11:49,123 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:11:49,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:49 WrapperNode
[2021-11-13 18:11:49,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:11:49,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:11:49,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:11:49,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:11:49,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:49" (1/1) ...
[2021-11-13 18:11:49,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:49" (1/1) ...
[2021-11-13 18:11:49,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:11:49,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:11:49,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:11:49,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:11:49,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:49" (1/1) ...
[2021-11-13 18:11:49,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:49" (1/1) ...
[2021-11-13 18:11:49,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:49" (1/1) ...
[2021-11-13 18:11:49,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:49" (1/1) ...
[2021-11-13 18:11:49,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:49" (1/1) ...
[2021-11-13 18:11:49,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:49" (1/1) ...
[2021-11-13 18:11:49,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:49" (1/1) ...
[2021-11-13 18:11:49,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:11:49,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:11:49,211 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:11:49,211 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:11:49,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:49" (1/1) ...
[2021-11-13 18:11:49,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:49,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:49,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:49,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:11:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 18:11:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 18:11:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:11:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:11:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:11:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:11:49,632 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:11:49,633 INFO L299 CfgBuilder]: Removed 4 assume(true) statements.
[2021-11-13 18:11:49,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:11:49 BoogieIcfgContainer
[2021-11-13 18:11:49,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:11:49,636 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-11-13 18:11:49,636 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-11-13 18:11:49,640 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-11-13 18:11:49,641 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:11:49,641 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:11:48" (1/3) ...
[2021-11-13 18:11:49,643 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@701eae4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:11:49, skipping insertion in model container
[2021-11-13 18:11:49,643 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:11:49,643 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:49" (2/3) ...
[2021-11-13 18:11:49,644 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@701eae4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:11:49, skipping insertion in model container
[2021-11-13 18:11:49,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:11:49,644 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:11:49" (3/3) ...
[2021-11-13 18:11:49,646 INFO L388 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcat-alloca-2.i
[2021-11-13 18:11:49,744 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-11-13 18:11:49,749 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-11-13 18:11:49,750 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-11-13 18:11:49,750 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-11-13 18:11:49,750 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-11-13 18:11:49,754 INFO L364 BuchiCegarLoop]: Difference is false
[2021-11-13 18:11:49,754 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-11-13 18:11:49,754 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-11-13 18:11:49,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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)
[2021-11-13 18:11:49,835 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9
[2021-11-13 18:11:49,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:11:49,835 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:11:49,855 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-11-13 18:11:49,856 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-11-13 18:11:49,856 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-11-13 18:11:49,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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)
[2021-11-13 18:11:49,859 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9
[2021-11-13 18:11:49,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:11:49,859 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:11:49,860 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-11-13 18:11:49,860 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-11-13 18:11:49,877 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 3#L525true assume !(main_~length1~0#1 < 1); 11#L525-2true assume !(main_~length2~0#1 < 2); 21#L528-1true assume !(main_~length3~0#1 < 1); 13#L531-1true assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 4#L538-3true
[2021-11-13 18:11:49,879 INFO L793 eck$LassoCheckResult]: Loop: 4#L538-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 18#L538-2true main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 4#L538-3true
[2021-11-13 18:11:49,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:49,899 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times
[2021-11-13 18:11:49,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:49,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245916049]
[2021-11-13 18:11:49,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:49,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:50,084 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:11:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:50,157 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:11:50,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:50,162 INFO L85 PathProgramCache]: Analyzing trace with hash 2019, now seen corresponding path program 1 times
[2021-11-13 18:11:50,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:50,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341826739]
[2021-11-13 18:11:50,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:50,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:50,196 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:11:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:50,216 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:11:50,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:50,218 INFO L85 PathProgramCache]: Analyzing trace with hash 180553841, now seen corresponding path program 1 times
[2021-11-13 18:11:50,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:50,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070470924]
[2021-11-13 18:11:50,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:50,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:50,250 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:11:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:50,306 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:11:50,973 INFO L210 LassoAnalysis]: Preferences:
[2021-11-13 18:11:50,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 18:11:50,974 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 18:11:50,974 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 18:11:50,974 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2021-11-13 18:11:50,975 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:50,975 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 18:11:50,975 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2021-11-13 18:11:50,975 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration1_Lasso
[2021-11-13 18:11:50,975 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 18:11:50,976 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 18:11:51,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:51,616 INFO L294 LassoAnalysis]: Preprocessing complete.
[2021-11-13 18:11:51,623 INFO L490 LassoAnalysis]: Using template 'affine'.
[2021-11-13 18:11:51,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:51,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:51,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:51,632 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
[2021-11-13 18:11:51,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2021-11-13 18:11:51,643 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:51,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:11:51,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:51,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:51,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:51,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:11:51,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:11:51,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:51,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:51,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:51,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:51,713 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:51,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2021-11-13 18:11:51,718 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
[2021-11-13 18:11:51,727 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:51,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:11:51,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:51,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:51,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:51,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:11:51,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:11:51,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:51,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:51,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:51,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:51,784 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:51,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2021-11-13 18:11:51,786 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
[2021-11-13 18:11:51,794 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:51,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:51,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:51,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:51,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:51,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:51,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:51,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0
[2021-11-13 18:11:51,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:51,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:51,844 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:51,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2021-11-13 18:11:51,847 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
[2021-11-13 18:11:51,858 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:51,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:11:51,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:51,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:51,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:51,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:11:51,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:11:51,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:51,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:51,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:51,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:51,915 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:51,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2021-11-13 18:11:51,924 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
[2021-11-13 18:11:51,934 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:51,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:11:51,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:51,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:51,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:51,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:11:51,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:11:51,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:51,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:51,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:51,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:51,991 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:52,003 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
[2021-11-13 18:11:52,014 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:52,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:52,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:52,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:52,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:52,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:52,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2021-11-13 18:11:52,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:52,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:52,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:52,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:52,080 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:52,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2021-11-13 18:11:52,082 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
[2021-11-13 18:11:52,090 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:52,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:52,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:52,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:52,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:52,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:52,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:52,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:52,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:52,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:52,139 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:52,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2021-11-13 18:11:52,142 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
[2021-11-13 18:11:52,153 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:52,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:52,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:52,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:52,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:52,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:52,199 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-11-13 18:11:52,239 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver.
[2021-11-13 18:11:52,239 INFO L444 ModelExtractionUtils]: 16 out of 31 variables were initially zero. Simplification set additionally 12 variables to zero.
[2021-11-13 18:11:52,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:52,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:52,252 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:52,279 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-11-13 18:11:52,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process
[2021-11-13 18:11:52,292 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2.
[2021-11-13 18:11:52,293 INFO L513 LassoAnalysis]: Proved termination.
[2021-11-13 18:11:52,293 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1
Supporting invariants []
[2021-11-13 18:11:52,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:52,409 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed
[2021-11-13 18:11:52,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:11:52,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:11:52,491 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:11:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:11:52,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:11:52,532 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:11:52,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:11:52,596 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
[2021-11-13 18:11:52,597 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:11:52,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:52,699 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 77 transitions. Complement of second has 7 states.
[2021-11-13 18:11:52,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states
[2021-11-13 18:11:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:11:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions.
[2021-11-13 18:11:52,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 6 letters. Loop has 2 letters.
[2021-11-13 18:11:52,719 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:11:52,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 8 letters. Loop has 2 letters.
[2021-11-13 18:11:52,720 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:11:52,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 6 letters. Loop has 4 letters.
[2021-11-13 18:11:52,720 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:11:52,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 77 transitions.
[2021-11-13 18:11:52,726 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7
[2021-11-13 18:11:52,741 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 18 states and 25 transitions.
[2021-11-13 18:11:52,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15
[2021-11-13 18:11:52,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16
[2021-11-13 18:11:52,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions.
[2021-11-13 18:11:52,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:11:52,748 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions.
[2021-11-13 18:11:52,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions.
[2021-11-13 18:11:52,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2021-11-13 18:11:52,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 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)
[2021-11-13 18:11:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions.
[2021-11-13 18:11:52,787 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions.
[2021-11-13 18:11:52,788 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions.
[2021-11-13 18:11:52,788 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-11-13 18:11:52,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions.
[2021-11-13 18:11:52,789 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7
[2021-11-13 18:11:52,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:11:52,789 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:11:52,790 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:11:52,790 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-11-13 18:11:52,790 INFO L791 eck$LassoCheckResult]: Stem: 158#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 156#L525 assume !(main_~length1~0#1 < 1); 157#L525-2 assume !(main_~length2~0#1 < 2); 165#L528-1 assume !(main_~length3~0#1 < 1); 167#L531-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 152#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 154#L538-4 main_~i~1#1 := 0; 160#L542-3
[2021-11-13 18:11:52,790 INFO L793 eck$LassoCheckResult]: Loop: 160#L542-3 assume !!(main_~i~1#1 < main_~length3~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 166#L542-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 160#L542-3
[2021-11-13 18:11:52,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:52,791 INFO L85 PathProgramCache]: Analyzing trace with hash 180553783, now seen corresponding path program 1 times
[2021-11-13 18:11:52,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:52,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410471358]
[2021-11-13 18:11:52,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:52,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:52,822 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:11:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:52,850 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:11:52,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:52,851 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 1 times
[2021-11-13 18:11:52,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:52,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759763254]
[2021-11-13 18:11:52,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:52,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:52,871 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:11:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:52,877 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:11:52,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:52,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1713495129, now seen corresponding path program 1 times
[2021-11-13 18:11:52,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:52,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550743941]
[2021-11-13 18:11:52,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:52,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:52,894 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:11:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:52,913 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:11:53,304 INFO L210 LassoAnalysis]: Preferences:
[2021-11-13 18:11:53,304 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 18:11:53,304 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 18:11:53,305 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 18:11:53,305 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2021-11-13 18:11:53,305 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:53,305 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 18:11:53,305 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2021-11-13 18:11:53,305 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration2_Lasso
[2021-11-13 18:11:53,305 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 18:11:53,305 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 18:11:53,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:53,839 INFO L294 LassoAnalysis]: Preprocessing complete.
[2021-11-13 18:11:53,839 INFO L490 LassoAnalysis]: Using template 'affine'.
[2021-11-13 18:11:53,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:53,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:53,844 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:53,851 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
[2021-11-13 18:11:53,861 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:53,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:11:53,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:53,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:53,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:53,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:11:53,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:11:53,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process
[2021-11-13 18:11:53,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:53,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:53,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:53,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:53,923 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:53,933 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
[2021-11-13 18:11:53,943 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:53,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:11:53,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:53,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:53,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:53,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:11:53,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:11:53,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process
[2021-11-13 18:11:53,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:53,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:53,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:53,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:53,985 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:53,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process
[2021-11-13 18:11:53,995 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
[2021-11-13 18:11:54,003 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:54,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:11:54,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:54,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:54,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:54,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:11:54,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:11:54,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:54,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:54,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:54,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:54,063 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:54,075 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
[2021-11-13 18:11:54,085 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:54,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:54,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:54,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:54,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:54,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:54,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process
[2021-11-13 18:11:54,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:54,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:54,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:54,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:54,147 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:54,156 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
[2021-11-13 18:11:54,166 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:54,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:54,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:54,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:54,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:54,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:54,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process
[2021-11-13 18:11:54,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:54,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:54,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:54,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:54,224 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:54,232 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
[2021-11-13 18:11:54,243 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:54,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:11:54,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:54,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:54,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:54,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:11:54,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:11:54,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process
[2021-11-13 18:11:54,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:54,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:54,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:54,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:54,305 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:54,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process
[2021-11-13 18:11:54,311 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
[2021-11-13 18:11:54,321 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:54,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:54,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:54,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:54,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:54,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:54,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:54,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:54,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:54,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:54,378 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:54,393 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
[2021-11-13 18:11:54,403 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:54,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:54,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:54,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:54,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:54,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:54,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process
[2021-11-13 18:11:54,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:54,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:54,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:54,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:54,465 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:54,476 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
[2021-11-13 18:11:54,485 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:54,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:54,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:54,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:54,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:54,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:54,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process
[2021-11-13 18:11:54,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:54,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:54,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:54,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:54,550 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:54,562 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
[2021-11-13 18:11:54,571 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:54,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:11:54,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:54,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:54,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:54,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:11:54,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:11:54,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process
[2021-11-13 18:11:54,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:54,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:54,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:54,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:54,619 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:54,627 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
[2021-11-13 18:11:54,637 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:54,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:54,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:54,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:54,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:54,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:54,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process
[2021-11-13 18:11:54,666 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-11-13 18:11:54,696 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver.
[2021-11-13 18:11:54,696 INFO L444 ModelExtractionUtils]: 10 out of 34 variables were initially zero. Simplification set additionally 21 variables to zero.
[2021-11-13 18:11:54,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:54,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:54,698 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:54,708 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-11-13 18:11:54,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process
[2021-11-13 18:11:54,739 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2.
[2021-11-13 18:11:54,740 INFO L513 LassoAnalysis]: Proved termination.
[2021-11-13 18:11:54,740 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length3~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length3~0#1
Supporting invariants []
[2021-11-13 18:11:54,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:54,791 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed
[2021-11-13 18:11:54,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:11:54,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:11:54,823 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:11:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:11:54,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:11:54,854 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:11:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:11:54,876 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
[2021-11-13 18:11:54,877 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:11:54,901 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 38 transitions. Complement of second has 6 states.
[2021-11-13 18:11:54,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states
[2021-11-13 18:11:54,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:11:54,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions.
[2021-11-13 18:11:54,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 8 letters. Loop has 2 letters.
[2021-11-13 18:11:54,905 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:11:54,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 10 letters. Loop has 2 letters.
[2021-11-13 18:11:54,906 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:11:54,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 8 letters. Loop has 4 letters.
[2021-11-13 18:11:54,906 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:11:54,906 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 38 transitions.
[2021-11-13 18:11:54,917 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2021-11-13 18:11:54,922 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 19 states and 27 transitions.
[2021-11-13 18:11:54,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14
[2021-11-13 18:11:54,926 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15
[2021-11-13 18:11:54,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions.
[2021-11-13 18:11:54,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:11:54,928 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions.
[2021-11-13 18:11:54,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions.
[2021-11-13 18:11:54,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2021-11-13 18:11:54,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 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)
[2021-11-13 18:11:54,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions.
[2021-11-13 18:11:54,932 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions.
[2021-11-13 18:11:54,932 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions.
[2021-11-13 18:11:54,933 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-11-13 18:11:54,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions.
[2021-11-13 18:11:54,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2021-11-13 18:11:54,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:11:54,936 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:11:54,936 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:11:54,936 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-11-13 18:11:54,936 INFO L791 eck$LassoCheckResult]: Stem: 279#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 280#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 273#L525 assume !(main_~length1~0#1 < 1); 274#L525-2 assume !(main_~length2~0#1 < 2); 288#L528-1 assume !(main_~length3~0#1 < 1); 289#L531-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 275#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 277#L538-4 main_~i~1#1 := 0; 281#L542-3 assume !(main_~i~1#1 < main_~length3~0#1 - 1); 290#L542-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset, cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset, cstrcat_#t~mem3#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s#1.base, cstrcat_~s#1.offset, cstrcat_~append#1.base, cstrcat_~append#1.offset, cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset;cstrcat_~append#1.base, cstrcat_~append#1.offset := cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset;cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset := cstrcat_~s#1.base, cstrcat_~s#1.offset; 291#L517-4
[2021-11-13 18:11:54,937 INFO L793 eck$LassoCheckResult]: Loop: 291#L517-4 call cstrcat_#t~mem3#1 := read~int(cstrcat_~s#1.base, cstrcat_~s#1.offset, 1); 282#L517-1 assume !!(0 != cstrcat_#t~mem3#1);havoc cstrcat_#t~mem3#1; 284#L517-3 cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset; 291#L517-4
[2021-11-13 18:11:54,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:54,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1713495071, now seen corresponding path program 1 times
[2021-11-13 18:11:54,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:54,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304912670]
[2021-11-13 18:11:54,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:54,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:54,949 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:11:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:54,983 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:11:54,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:54,994 INFO L85 PathProgramCache]: Analyzing trace with hash 86554, now seen corresponding path program 1 times
[2021-11-13 18:11:54,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:54,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305619883]
[2021-11-13 18:11:54,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:54,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:54,999 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:11:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:55,004 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:11:55,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:55,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1045403964, now seen corresponding path program 1 times
[2021-11-13 18:11:55,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:55,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243982501]
[2021-11-13 18:11:55,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:55,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:11:55,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:11:55,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:11:55,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243982501]
[2021-11-13 18:11:55,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243982501] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:11:55,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:11:55,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-11-13 18:11:55,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770090346]
[2021-11-13 18:11:55,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:11:55,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:11:55,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 18:11:55,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:11:55,329 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 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)
[2021-11-13 18:11:55,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:11:55,442 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions.
[2021-11-13 18:11:55,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-13 18:11:55,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions.
[2021-11-13 18:11:55,445 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7
[2021-11-13 18:11:55,446 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions.
[2021-11-13 18:11:55,446 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21
[2021-11-13 18:11:55,446 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21
[2021-11-13 18:11:55,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions.
[2021-11-13 18:11:55,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:11:55,447 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions.
[2021-11-13 18:11:55,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions.
[2021-11-13 18:11:55,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22.
[2021-11-13 18:11:55,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:11:55,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions.
[2021-11-13 18:11:55,450 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions.
[2021-11-13 18:11:55,450 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions.
[2021-11-13 18:11:55,450 INFO L425 BuchiCegarLoop]: ======== Iteration 4============
[2021-11-13 18:11:55,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions.
[2021-11-13 18:11:55,451 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2021-11-13 18:11:55,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:11:55,451 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:11:55,452 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:11:55,452 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-11-13 18:11:55,452 INFO L791 eck$LassoCheckResult]: Stem: 341#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 342#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 335#L525 assume !(main_~length1~0#1 < 1); 336#L525-2 assume !(main_~length2~0#1 < 2); 349#L528-1 assume !(main_~length3~0#1 < 1); 350#L531-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 337#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 339#L538-4 main_~i~1#1 := 0; 343#L542-3 assume !(main_~i~1#1 < main_~length3~0#1 - 1); 351#L542-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset, cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset, cstrcat_#t~mem3#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s#1.base, cstrcat_~s#1.offset, cstrcat_~append#1.base, cstrcat_~append#1.offset, cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset;cstrcat_~append#1.base, cstrcat_~append#1.offset := cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset;cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset := cstrcat_~s#1.base, cstrcat_~s#1.offset; 353#L517-4 call cstrcat_#t~mem3#1 := read~int(cstrcat_~s#1.base, cstrcat_~s#1.offset, 1); 344#L517-1 assume !(0 != cstrcat_#t~mem3#1);havoc cstrcat_#t~mem3#1; 345#L518-2
[2021-11-13 18:11:55,452 INFO L793 eck$LassoCheckResult]: Loop: 345#L518-2 cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset := cstrcat_~s#1.base, cstrcat_~s#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_#t~post4#1.base, 1 + cstrcat_#t~post4#1.offset;cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset := cstrcat_~append#1.base, cstrcat_~append#1.offset;cstrcat_~append#1.base, cstrcat_~append#1.offset := cstrcat_#t~post5#1.base, 1 + cstrcat_#t~post5#1.offset;call cstrcat_#t~mem6#1 := read~int(cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, 1);call write~int(cstrcat_#t~mem6#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, 1); 346#L518 assume !!(0 != cstrcat_#t~mem6#1);havoc cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset;havoc cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset;havoc cstrcat_#t~mem6#1; 345#L518-2
[2021-11-13 18:11:55,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:55,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1696290690, now seen corresponding path program 1 times
[2021-11-13 18:11:55,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:55,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057962883]
[2021-11-13 18:11:55,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:55,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:55,473 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:11:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:55,496 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:11:55,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:55,497 INFO L85 PathProgramCache]: Analyzing trace with hash 3238, now seen corresponding path program 1 times
[2021-11-13 18:11:55,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:55,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579093302]
[2021-11-13 18:11:55,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:55,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:55,505 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:11:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:55,513 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:11:55,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:55,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1952217113, now seen corresponding path program 1 times
[2021-11-13 18:11:55,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:55,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042098640]
[2021-11-13 18:11:55,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:55,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:11:55,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:11:55,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:11:55,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042098640]
[2021-11-13 18:11:55,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042098640] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:11:55,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:11:55,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-11-13 18:11:55,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653769857]
[2021-11-13 18:11:55,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:11:55,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:11:55,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 18:11:55,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:11:55,894 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 12 Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 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)
[2021-11-13 18:11:55,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:11:55,994 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions.
[2021-11-13 18:11:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 18:11:55,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 46 transitions.
[2021-11-13 18:11:55,996 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8
[2021-11-13 18:11:55,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 31 states and 40 transitions.
[2021-11-13 18:11:55,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24
[2021-11-13 18:11:55,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24
[2021-11-13 18:11:55,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions.
[2021-11-13 18:11:55,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:11:55,998 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions.
[2021-11-13 18:11:55,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions.
[2021-11-13 18:11:56,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30.
[2021-11-13 18:11:56,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3) internal successors, (39), 29 states have internal predecessors, (39), 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)
[2021-11-13 18:11:56,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions.
[2021-11-13 18:11:56,002 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions.
[2021-11-13 18:11:56,002 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions.
[2021-11-13 18:11:56,002 INFO L425 BuchiCegarLoop]: ======== Iteration 5============
[2021-11-13 18:11:56,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 39 transitions.
[2021-11-13 18:11:56,003 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8
[2021-11-13 18:11:56,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:11:56,004 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:11:56,004 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:11:56,004 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-11-13 18:11:56,005 INFO L791 eck$LassoCheckResult]: Stem: 416#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 417#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 409#L525 assume !(main_~length1~0#1 < 1); 410#L525-2 assume !(main_~length2~0#1 < 2); 425#L528-1 assume !(main_~length3~0#1 < 1); 426#L531-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 411#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 413#L538-4 main_~i~1#1 := 0; 437#L542-3 assume !!(main_~i~1#1 < main_~length3~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 436#L542-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 435#L542-3 assume !(main_~i~1#1 < main_~length3~0#1 - 1); 434#L542-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset, cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset, cstrcat_#t~mem3#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s#1.base, cstrcat_~s#1.offset, cstrcat_~append#1.base, cstrcat_~append#1.offset, cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset;cstrcat_~append#1.base, cstrcat_~append#1.offset := cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset;cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset := cstrcat_~s#1.base, cstrcat_~s#1.offset; 433#L517-4
[2021-11-13 18:11:56,005 INFO L793 eck$LassoCheckResult]: Loop: 433#L517-4 call cstrcat_#t~mem3#1 := read~int(cstrcat_~s#1.base, cstrcat_~s#1.offset, 1); 419#L517-1 assume !!(0 != cstrcat_#t~mem3#1);havoc cstrcat_#t~mem3#1; 420#L517-3 cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset; 433#L517-4
[2021-11-13 18:11:56,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:56,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1696346049, now seen corresponding path program 1 times
[2021-11-13 18:11:56,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:56,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664173038]
[2021-11-13 18:11:56,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:56,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:56,027 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:11:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:56,060 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:11:56,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:56,061 INFO L85 PathProgramCache]: Analyzing trace with hash 86554, now seen corresponding path program 2 times
[2021-11-13 18:11:56,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:56,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104289931]
[2021-11-13 18:11:56,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:56,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:56,066 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:11:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:56,071 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:11:56,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:56,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1259997786, now seen corresponding path program 1 times
[2021-11-13 18:11:56,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:11:56,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609157627]
[2021-11-13 18:11:56,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:11:56,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:11:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:56,119 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:11:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:11:56,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:11:57,083 INFO L210 LassoAnalysis]: Preferences:
[2021-11-13 18:11:57,094 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 18:11:57,094 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 18:11:57,094 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 18:11:57,094 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2021-11-13 18:11:57,094 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:57,094 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 18:11:57,094 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2021-11-13 18:11:57,094 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration5_Lasso
[2021-11-13 18:11:57,094 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 18:11:57,094 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 18:11:57,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:57,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:11:58,092 INFO L294 LassoAnalysis]: Preprocessing complete.
[2021-11-13 18:11:58,092 INFO L490 LassoAnalysis]: Using template 'affine'.
[2021-11-13 18:11:58,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:58,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:58,099 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:58,103 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
[2021-11-13 18:11:58,112 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:58,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:11:58,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:58,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:58,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:58,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:11:58,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:11:58,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process
[2021-11-13 18:11:58,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:58,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:58,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:58,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:58,136 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:58,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process
[2021-11-13 18:11:58,137 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
[2021-11-13 18:11:58,144 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:58,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:58,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:58,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:58,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:58,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:58,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:58,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:58,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:58,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:58,169 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:58,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process
[2021-11-13 18:11:58,170 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
[2021-11-13 18:11:58,177 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:58,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:58,177 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts
[2021-11-13 18:11:58,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:58,197 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications.
[2021-11-13 18:11:58,197 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added.
[2021-11-13 18:11:58,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:58,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:58,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:58,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:58,268 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:58,276 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
[2021-11-13 18:11:58,285 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:58,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:58,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:58,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:58,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:58,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:58,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process
[2021-11-13 18:11:58,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:58,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0
[2021-11-13 18:11:58,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:58,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:58,321 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:58,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process
[2021-11-13 18:11:58,323 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
[2021-11-13 18:11:58,331 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:58,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:58,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:58,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:58,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:58,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:58,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:58,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0
[2021-11-13 18:11:58,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:58,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:58,358 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:58,361 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
[2021-11-13 18:11:58,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process
[2021-11-13 18:11:58,369 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:58,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:58,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:58,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:58,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:58,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:58,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:58,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:58,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:58,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:58,421 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:58,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process
[2021-11-13 18:11:58,423 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
[2021-11-13 18:11:58,431 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:58,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:58,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:58,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:58,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:58,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:58,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:11:58,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0
[2021-11-13 18:11:58,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:58,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:58,466 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:58,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process
[2021-11-13 18:11:58,477 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
[2021-11-13 18:11:58,486 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:11:58,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:11:58,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:11:58,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:11:58,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 18:11:58,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 18:11:58,527 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-11-13 18:11:58,556 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver.
[2021-11-13 18:11:58,556 INFO L444 ModelExtractionUtils]: 39 out of 55 variables were initially zero. Simplification set additionally 13 variables to zero.
[2021-11-13 18:11:58,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:11:58,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:11:58,559 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:11:58,567 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-11-13 18:11:58,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process
[2021-11-13 18:11:58,592 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2.
[2021-11-13 18:11:58,592 INFO L513 LassoAnalysis]: Proved termination.
[2021-11-13 18:11:58,592 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3, ULTIMATE.start_cstrcat_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3 - 1*ULTIMATE.start_cstrcat_~s#1.offset
Supporting invariants []
[2021-11-13 18:11:58,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0
[2021-11-13 18:11:58,661 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed
[2021-11-13 18:11:58,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:11:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:11:58,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-13 18:11:58,708 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:11:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:11:58,779 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-13 18:11:58,780 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:11:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:11:58,818 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates
[2021-11-13 18:11:58,818 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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)
[2021-11-13 18:11:58,857 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) Result 40 states and 52 transitions. Complement of second has 7 states.
[2021-11-13 18:11:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states
[2021-11-13 18:11:58,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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)
[2021-11-13 18:11:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions.
[2021-11-13 18:11:58,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 12 letters. Loop has 3 letters.
[2021-11-13 18:11:58,859 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:11:58,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 15 letters. Loop has 3 letters.
[2021-11-13 18:11:58,859 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:11:58,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 12 letters. Loop has 6 letters.
[2021-11-13 18:11:58,860 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:11:58,860 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 52 transitions.
[2021-11-13 18:11:58,861 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-13 18:11:58,861 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions.
[2021-11-13 18:11:58,861 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2021-11-13 18:11:58,861 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2021-11-13 18:11:58,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2021-11-13 18:11:58,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:11:58,861 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:11:58,861 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:11:58,862 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:11:58,862 INFO L425 BuchiCegarLoop]: ======== Iteration 6============
[2021-11-13 18:11:58,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2021-11-13 18:11:58,862 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-13 18:11:58,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2021-11-13 18:11:58,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:11:58 BoogieIcfgContainer
[2021-11-13 18:11:58,868 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-11-13 18:11:58,869 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:11:58,869 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:11:58,869 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:11:58,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:11:49" (3/4) ...
[2021-11-13 18:11:58,873 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-13 18:11:58,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:11:58,874 INFO L158 Benchmark]: Toolchain (without parser) took 10420.51ms. Allocated memory was 86.0MB in the beginning and 144.7MB in the end (delta: 58.7MB). Free memory was 47.9MB in the beginning and 91.8MB in the end (delta: -43.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB.
[2021-11-13 18:11:58,874 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:11:58,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 667.36ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 47.6MB in the beginning and 89.4MB in the end (delta: -41.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2021-11-13 18:11:58,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.07ms. Allocated memory is still 119.5MB. Free memory was 88.8MB in the beginning and 87.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:11:58,876 INFO L158 Benchmark]: Boogie Preprocessor took 32.64ms. Allocated memory is still 119.5MB. Free memory was 87.3MB in the beginning and 85.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:11:58,876 INFO L158 Benchmark]: RCFGBuilder took 424.24ms. Allocated memory is still 119.5MB. Free memory was 85.8MB in the beginning and 73.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2021-11-13 18:11:58,877 INFO L158 Benchmark]: BuchiAutomizer took 9232.11ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 73.2MB in the beginning and 91.8MB in the end (delta: -18.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB.
[2021-11-13 18:11:58,877 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 144.7MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:11:58,880 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 667.36ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 47.6MB in the beginning and 89.4MB in the end (delta: -41.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 51.07ms. Allocated memory is still 119.5MB. Free memory was 88.8MB in the beginning and 87.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 32.64ms. Allocated memory is still 119.5MB. Free memory was 87.3MB in the beginning and 85.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 424.24ms. Allocated memory is still 119.5MB. Free memory was 85.8MB in the beginning and 73.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* BuchiAutomizer took 9232.11ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 73.2MB in the beginning and 91.8MB in the end (delta: -18.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB.
* Witness Printer took 4.20ms. Allocated memory is still 144.7MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length3 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 8 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 9.1s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 8.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 30 states and ocurred in iteration 4. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 180.49ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 243 SdHoareTripleChecker+Invalid, 139.22ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 149 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 94 mSDtfsCounter, 104 mSolverCounterSat, 16.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital166 mio100 ax111 hnf100 lsp83 ukn77 mio100 lsp59 div100 bol100 ite100 ukn100 eq169 hnf90 smp97 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 59ms VariablesStem: 3 VariablesLoop: 1 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!
[2021-11-13 18:11:58,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0
[2021-11-13 18:11:59,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eed0ae75-764d-4492-b3be-14b10c4698f9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE